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Dr. Ahmadi holds the position as senior consulant and head of the Division of Operative Pain Therapy at the Department of Neurosurgery of the University Hospital Heidelberg.
She was born in Iran and moved to Germany in 1991 to continue her medical school which she began at the University of Tehran. In 1999, she finished her studies at the Ruprecht Karls University of Heidelberg.
After becoming a board certified neurosurgeon in 2006, she dedicated to specialize in neuro-oncology, for which she obtained the personal certification of the Neurosurgeon´s Academy (NCAW) for this focus and the venia legendi as a neurosurgeon in 2017.
While raising her two daughters born in 2006 and 2010 Dr. Ahmadi decided to shift her focus on additional neurosurgical subspecialties which ultimately led to the attainment of the additional designation of specialized pain management and neuro-intensive care from the state medical board.
In 2018 Dr. Ahmadi became the current elected speaker of the division of neurosurgical pain therapy of the German Neurosurgical society (DGNC) In this role, she is delegated and involved in creation of new and revision of existing national therapy guidelines related to this focus. Furthermore, she is involved in the creation of the personal certification for neurosurgical pain management as a member of the Neurosurgeon´s Academy (NCA) and as an expert advisory board member in the German Pain Society (Deutsche Schmerzgesellschaft e.V.).

Jocelyne Bloch graduated in the Faculty of Medicine of Lausanne University in December 1994. She her neurosurgical degree in 2002. She specialized in stereotactic and functional neurosurgery, and acquired an extensive experience and expertise in deep brain stimulation (DBS) and neuromodulation for movement disorders, pain and epilepsy. She is in charge of the functional neurosurgical unit at the CHUV. Very active in experimental medicine and translational neuroscience, she nourishes a profound interest in the development of new indications for DBS, and in advancing technologies and therapeutic paradigms in neuromodulation, neuro-regeneration, and cell therapy.
She seeks to gather all these novel therapeutic strategies under a common umbrella that will foster optimization of treatment options for patients suffering from neurological impairments. She is now associate Professor in the department of Neurosurgery at the University Hospital Lausanne (CHUV) and adjunct Professor in the Center for Neuroprosthetics at EPFL where together with Grégoire Courtine she is director of the Defitech Center for Interventional Neurotherapies (NeuroRestore). 

Alexandros G. Brotis earned his Medical Degree from the Third Medical Faculty of Charles University in Prague, Czech Republic. He completed his neurosurgical training at the Department of Neurosurgery of the General University Hospital of Larissa, Greece. He has a particular interest in Spine Surgery.
Dr. Brotis has a master's degree (M.Sc.) in "Bioinformatics and Biostatistics" from the Medical School of Larissa, University of Thessaly, Larissa, Greece. Likewise, he has completed his doctoral thesis (Ph.D.) on "Adjacent segment disease after lumbar fusion in a semirural population" at the Medical School of the University of Thessaly, Larissa, Greece.
He has been working at the Department of Neurosurgery of the General University Hospital of Larissa, Greece as a Consultant since 2015. His clinical interest has focused on spine surgery, particularly minimally invasive techniques.
Dr. Brotis has been serving as a tutor at the Diploma of the Hellenic Spine Society since 2015, while he was appointed as a national representative and neurosurgical officer at the Greek Country Council of the AO Spine Society from 2019 to 2022. Meanwhile, he has been an elected Member of the Hellenic Spine Society Council since 2018.
His scientific interest has focused on spine surgery, functional neurosurgery, and healthcare-associated infections of the central nervous system. He has contributed 94 publications in peer-reviewed journals and has given more than 100 oral and poster presentations at national and international meetings. 

Professor Combs (*1976) is a leading expert in the field of radiation oncology and radiation therapy. Her key expertise is highly conformal radiation therapy (stereotactic treatment, IMRT/IGRT/ART, protons and carbon ions). Her scientific work includes areas including treatment optimization for brain and skull base tumors, biomarkers in radiation oncology, pediatric oncology, gastrointestinal oncology, uro-oncology, gynecological oncology, radiochemotherapy and radioimmunotherapy.
Prof. Combs studied medicine in Heidelberg, and in Norfolk and San Antonio, USA. After her graduation and promotion 2003, she worked as research associate in Heidelberg. Following her postdoctoral lecture qualification 2009, she was promoted in 2011 to vice chair of the radiation oncology department in Heidelberg. 2014, Prof. Combs was appointed professor and chair of the TUM department of radiation oncology. In 2015, she also took over the institute of radiation medicine of the Helmholtz Zentrum. Since 2019, Prof. Combs heads the TUM senate. 

Sven Oliver Eicker is Managing Senior Physician and Head of Spinal Neurosurgery at the Department of Neurosurgery at the University Medical Center Hamburg-Eppendorf. Together with his orthopedic colleague, he heads the University Spine Center. He completed his medical studies in Magdeburg, Kiel and Münster with a stay at Duke University. He completed his residency in Basel, Würzburg and Düsseldorf. In 2012, he moved to Hamburg. Sven O. Eicker habilitated here on a spine topic and was appointed as professor in 2019.  Until 2021 he was section spokesman of the spine surgery section of the DGNC and member of the board of the DWG. He is head/deputy head of the Quality Assurance Commission of the DWG and thus responsible for the certification of spine centers. In this function, he is also a member of the NCA/ Department 2.
In 2021, he was appointed Secretary General of the DWG. 

Prof. Peer Eysel, MD, PhD, has been chairman and head of the Department of Orthopaedic and Trauma Surgery at Cologne University Hospital since 2002. Prior to that he obtained professional experience in the Hospital for Special Trauma Surgery (BGU) in Frankfurt, the Department of Neurosurgery at Giessen University Hospital and the Department of Orthopaedic Surgery at the University Medical Center Mainz. Prof. Eysel‘s clinical specialties include spine surgery, tumours of the musculoskeletal system, and joint replacement surgery; his main scientific field of interest is biomechanics.

Kostas N. Fountas has earned his Medical Degree from the National and Capodistrian University of Athens, Greece. He completed his neurosurgical training at the Medical Center of Central Georgia, and the Medical College of Georgia in Augusta, GA, USA. He has been subspecialized in functional neurosurgery after completing a fellowship at the Medical College of Georgia, Augusta, GA, USA. He was appointed in 2003 as Clinical Instructor at the Medical College of Georgia. He has joined the Faculty of Medicine, School of Health Sciences of the University of Thessaly, in Larisa, Greece since 2007. He has been Chairman and Director of the Department of Neurosurgery of the University Hospital of Larisa, since 2009. His scientific interests are focused on functional imaging, electrophysiology, epilepsy surgery, neuro-oncology, and neurotraumatology. He has contributed more than 200 publications in peer-reviewed journals, as well as 25 chapters in textbooks. He has edited five neurosurgical textbooks. Dr. Fountas has delivered more than 400 oral and poster presentations in national and international scientific meetings. He has served AANS, EANS, and WFNS through different positions. He is the President of the Hellenic Neurosurgical Society.

Frank Giordano serves as Director and Chair of the Department of Radiation Oncology at the University Hospital Bonn, Germany. He is an expert in precision radiation therapy and intraoperative irradiation of malignant tumors and has received international recognition for his brain tumor research, including an award from the American Society of Radiation Oncology (ASTRO) and an honorary membership of the Spanish Society of Radiation Oncology (SEOR). Dr. Giordano received his medical degree from the University of Heidelberg, Germany and did his post-doctoral training as Peter Engelhorn fellow at the German Cancer Research Center (DKFZ). He received clinical training at the National Center for Tumor Diseases (NCT) Heidelberg and the University Medical Center Mannheim, where he served as acting chairman and director of the Department of Radiation Oncology before moving to Bonn. For many years, his research focuses on optimized radiation therapy of brain cancers to offer cancer patients personalized and even more effective treatment. As one of the few Else-Kröner-Fresenius Excellence Fellows, Dr. Giordano developed innovative therapy options that even found their way in clinical practice.

Professor Roland Goldbrunner is Director of the Center for Neurosurgery and Chairman of the Department of General Neurosurgery, University of Cologne. He was born in Straubing, Bavaria, studied medicine in Regensburg and Würzburg and completed his clinical and scientific training at the Department of Neurosurgery, University of Würzburg (chairman Claus Roosen), and the Neurooncology Lab of the Veterans Administration in Washington, DC (head Jerald Bernstein). Following Jörg Tonn, he became staff member at the Department of Neurosurgery, University of Munich, where he started a Tumorbiology Lab and a center for clinical studies. In 2009, he was appointed full Professor for Neurosurgery at the University of Cologne, being head of the Department of General Neurosurgery. In 2012, he became managing director of the Center for Neurosurgery, University of Cologne. His clinical focus areas are Neurooncology, skull base, vascular and spine surgery, the main scientific interests are experimental and clinical neurooncology. Roland Goldbrunner has the lead of the EANO task forces for meningioma and vestibular schwannoma guidelines. He is President of the German Society of Neurosurgery (DGNC). 

After completing his medical education at the Universities of Wurzburg, Harvard and McGill Dr. Grau started his neurosurgical training as an intern at Wurzburg University hospital. Subsequently he conducted his residency at Großhadern Hospital, LMU Munich and became a staff member there in October 2008. In 2010 he changed his affiliation to the University of Cologne, where he served as a deputy director from 2016 until 2021. Since then he functions as the Director of the Neurosurgical department at Fulda Hospital, Academic Hospital of Marburg University. His clinical focus is in the field of neuro-oncology comprising intrinsic brain tumours, skull base lesions and brain metastases.
Dr. Grau´s scientific career started in the field of tumour biology with an initial focus on neo-vascularization and endothelial biology. Later, he concentrated on clinical studies and health service research particularly in the field of neuro-oncological diseases.  

Prof. Dr. Erdem Güresir is Managing Senior Neurosurgeon and Vice Chairman of the Department of  Neurosurgery at the University Hospital Bonn.
He went to medical school in Frankfurt a.M. and was trained in Neurosurgery at the University Hospital Frankfurt a.M. under Prof. Volker Seifert (board certification in 2010). In 2012, he changed with Prof. Hartmut Vatter to the University Hospital Bonn and was appointed Vice Chairman.
His main clinical and scientific interests are vascular neurosurgery, neurooncology, and skull-base surgery, with a special focus on clinical trials as well as research and treatment of neuroinflammatory consequences of neurosurgical conditions. He received grants for realization of randomized multicenter trials (e.g. by the Federal Ministry of Education and Research).
He is a member of national and international scientific societies (i.a. DGNC, DKG, DWG, EANS, Resort 3 “Education, Training, and Qualification” of the Neurosurgical Academy of the DGNC and BDNC), and has published more than 140 peer-reviewed scientific articles. 

Prof. Dr. Hänggi is Chairman, Division of Neurosurgery at Düsseldorf University Hospital, Heinrich-Heine-University, Germany. He is a neurosurgeon, scientist, researcher and a recognized expert on brain hemorrhage, including delayed cerebral ischemia (DCI) after subarachnoid hemorrhage, eloquent gliomas, skull-base tumors and minimal invasive spinal procedures. For the past 20 years, his research interest has focused on improving patient outcome after brain hemorrhage, with a specific focus on developing a cure for cerebral vasospasm and DCI. He has published over 250 peer-reviewed articles, authored and edited multiple textbooks, and has spoken at many international and national conferences.
Additionally Prof. Dr. Hänggi is an active member and expert of multiple international and national Neurosurgical- and Neurointensive Care Societies, in detail responsible for definition of guidelines, conducting international studies and teaching aspects. During his career, he received multiple national and international awards. 

Nils Hecht was born in Rock Island, Illinois in 1980 and studied Medicine in Heidelberg, Mannheim and Chicago before graduating from the Ruprecht-Karls-University Heidelberg in 2007. He began his professional career as a resident with the Department of Neurosurgery at the Charité and was a research fellow at the Center for Stroke Research in Berlin. In 2014, he became a faculty member of the Department of Neurosurgery and has worked across the three Berlin Charité Neurosurgery sites Campus Virchow Klinikum, Campus Benjamin Franklin and Campus Charité Mitte. His clinical interests include neurovascular surgery, skull base surgery, brain tumor surgery and spine surgery. His research interests are surgical treatment of acute and chronic stroke, therapeutic stimulation of collateral vessel growth in chronic cerebral ischemia / Moyamoya disease, intraoperative imaging, and multimodal neuromonitoring.
Currently, he is Deputy Director of the Department of Neurosurgery at the Charité – Universitätsmedizin Berlin. 

Born in 1976 and raised in Bremen, he started medicine studies in Halle/ Saale (GER) in 1995, moving to Ulm (GER) 1996 and Bologna (ITA) in 2000. After finishing university, he worked as a resident and specialist in Günzburg/ Ulm (GER) under Prof. Dr. H.-P. Richter and later Prof. Dr. C.R. Wirtz from 2003-2012.
After working as a senior physician at the Department of Neurosurgery University Oldenburg under Prof. Dr. T. Kretschmer from 2012-2021, I became head of Department of Neuro-, Spine and Nerve Surgery at Christliches Krankenhaus Quakenbrück (GER) in May 2021 establishing one of the few reference centers for Peripheral Nerve Surgeries in Germany.
Among a broad neurosurgical education, his passion and fascination for peripheral nerves started in the very beginning of his neurosurgical career. Being in the lucky position of having teachers such as Hans-Peter Richter, Gregor Antoniadis and especially Thomas Kretschmer enabled him to dive deep into the peripheral nerves. Aside from being dedicated to the clinical work, he started to organize educational meetings, set up research programs and work in committees.
Since 2015 he has been serving as the speaker of the “Peripheral Nerve” Section of the German Society of Neurosurgery DGNC, with re-election in 2019. In 2021 he was appointed section chair “Peripheral Nerve Surgery” of the European Association of Neurosurgical Societies EANS. In addition, he is board member of the interdisciplinary study group “Peripheral Nerves“ NervClub and member of the „Neurosurgical Academy NCA“ of DGNC and BDNC in charge of the peripheral nerves. Here, the interdisciplinary “Peripheral Nerve Sugery” was established. In March 2022 his term as the Continental Vice-Chairperson Europe "Peripheral Nerve Surgery Committee" of the World Federation of Neurosurgical Societies WFNS ended.

Ioannidis Ioannis is an interventional Neuroradiologist, who started his clinical and professional experience with the residency in radiology at AHEPA University Hospital in Thessaloniki/ Greece from 1994-1998. After that he went to University of Illinois at Chicago Medical Center, Department of Radiology, Body Imaging Section as a visiting physician. After that he started at the Department of Neuroradiology at Radcliffe Infirmary in Oxford, UK as interventional Neuroradiologist. In September 2003 he became Consultant Interventional Neuroradiologist at HYGEIA Hospital, Athens, Greece. From February 2022 he starte das assistant Professor of Radiology at University of Thessaly. Radiology Department, Larisa University Hospital.
His clinical and research interest are: Vascular lesions of the brain and spinal cord (i.e. cerebral aneurysms, arteriovenous malformations) & Stroke management. 
Ioannidis Ioannis is a member of many societies such as Cardiovascular and Interventional Radiological Society of Europe (CIRSE), European Society of Minimally Invasive Neurological Therapy (ESMINT), European Society of Neuroradiology - Diagnostic and Interventional (ESNR) and World Federation Interventional Therapeutic Neuroradiology (WFITN). 

Professor Joachim K. Krauss is Director and Chairman of the Department of Neurosurgery at Hannover Medical School, Germany, since 2005. He received his MD degree at the Medical Faculty of the University of Freiburg, Germany, for his experimental work in neuropharmacology of the basal ganglia. He trained in neurology, and later in stereotactic and functional neurosurgery, and general neurosurgery with Professors Mundinger and Seeger in Freiburg. Thereafter, he moved to Houston, Texas, to collaborate with Drs Grossman and Jankovic. He went back to Europe to establish functional neurosurgery in Berne, Switzerland, and in Mannheim, Germany, where he served as Vice Chairman from 1999 to 2005. He became Associate Professor at the University of Heidelberg, Germany, and served as Adjunct Associate Professor at Baylor College of Medicine, Houston, Texas. His clinical routine includes functional neurosurgery, complex spine, skull base, microvascular decompression, neurooncology and hydrocephalus. 

Prof. Krauss has been President of the European Society for Stereotactic and Functional Neurosurgery (ESSFN) from 2010 to 2014, and of the World Society for Stereotactic and Functional Neurosurgery (WSSFN) from 2013 to 2017. He also served as President of the German Academy for Neurosurgery from 2018 to 2019. He is Head of the Commission for Technical Standards of the DGNC since 2007. Furthermore, he is an active member of several international societies, committees and advisory boards. One of his missions is to bridge the gap between Neurosurgery and Neurology why he is also active in the Movement Disorders Society where he served as Chair of the Task Force Neurosurgery and as Co-Chair of the Task Force Deep Brain Stimulation for Dystonia. He currently serves as Co-Chair of the MDS Study Groups Neuromodulation for Gait and Normal Pressure Hydrocephalus. 

He has published more than 600 scientific manuscripts and book chapters, and he has edited four books in the field of functional neurosurgery. He introduced pallidal deep brain stimulation for cervical dystonia in 1997, and spinal cord stimulation for orthostatic tremor in 2002. He received several awards including the Oppenheim prize for his work in dystonia. He runs an active laboratory together with Professor Schwabe dedicated to the study of animal models of movement disorders and behaviour. His current research interests include skull base approaches, microvascular decompression, and experimental and clinical studies on the treatment of movement disorders, with a special focus on dystonia, but also psychiatric disorders and other applications of deep brain stimulation. In the past few years he put a particular focus on education and training. He is a member of the ESSFN training committee and chair of the WSSFN training committee. 

Full Professor of Orthopedics, Medical School University of Münster, and Head of Spine Department, Franziskus Hospital Muenster, Germany (Level 1 Spine Center of the German Spine Society - DWG). Author of 109 peer reviewed and medline listed scientific articles on spinal pathologies and former travelling fellow of the Scoliosis Research Society (SRS) and the Spine society of Europe (SSE). Winner of the Grammar award 2007 (SSE) and the Georg Schmorl award 2017 (DWG) and accredited by the DWG (Certificate of excellence). Former chairman of the Programme Committee of the SSE and member of the executive committee SSE. Numerous activities in various committees of the DWG (chairman resp. vice-chairman of programme committee, quality control committee, educational committee, deformity registry) and former Secretary and current Past president of the DWG. 

Stefan Linsler studied medical studies at the Saarland University and graduated in 2007. This was followed by his training in Neurosurgery at the Neurosurgical Department of the Saarland University Hospital in Homburg (chairman: Prof. Steudel and Prof. Oertel) until 2014. During his career he practised as a consultant neurosurgeon at the Neurosurgical Department of the Saarland University Hospital in Homburg from 2014 until 2020. Since 2018, he is Assistant Professor at the Department of Neurosurgery, Saarland University, Homburg, Germany. Since 2021, he is also Vice Director at the Department of Neurosurgery, Saarland University, Homburg, Germany. His main research interests are neuroendoscopy in skull base surgery, minimally invasive endoscopic approaches in cranial and spinal neurosurgery as well es meningiomas and its tumorgenesis. During his professional career he has published over 50 articles in peer reviewed journals. He is currently the appointed spokesperson for the section „techniques and innovations“ of the DGNC, the German Society of Neurosurgery.

Holding his B.Sc. and license to practice medicine from the Medical School of Georg-August-University Prof. Dr. med. Hans Christoph Ludwig finished his residency at Medical University in Göttingen, Germany in 1997. He continued his career as Consultant for Neurosurgery, Intensive Care Medicine and since 1999 for Pediatric Neurosurgery. Furthermore, he received his PhD-Thesis, entitled “The Expression of   Nitric Oxide Synthases in Human Astrocytoma” in 2001. 
Prof. Dr. med. Hans Christoph Ludwig worked since 2012 as the Head of the Division of Pediatric Neurosurgery, Dept. of Neurosurgery at University Medical Center Göttingen. He retired at the end of August 2021. He is an expert on Neuroendoscopy, Laser Surgery, Brain Tumors and Hydrocephalus while he is member in several global medical associations. He is assistant Professor for Neurosurgery since 2008. Furthermore he was Chair of the Division of Pediatric Neurosurgery of the German Society for Neurosurgery DGNC from 2015 to 2022. 

Professor Mawrin (*1972) attended Otto-von-Guericke University Magdeburg from 1992-1998 and studied human medicine there. Two years later he began his doctorate under Prof. Dr. H. Warzel, Institute of Physiology, Otto-von- Guericke University Magdeburg and obtained his licence to practise medicine one year later. In 2005 he graduated as a specialist in neuropathology and became a senior physician at the University Hospital Magdeburg, Institute of Neuropathology.

Regarding Professor Mawrin's scientific career, he started as a research assistant at the Otto-von-Guericke University Magdeburg in 2005 at the Institute of Neuropathology under Prof. Dr. K. Dietzmann. From 2002 to 2003 he was a post-doctoral research fellow at the Walter Reed Army Institute of Research in Silver Spring. In 2007-2009 he was Head of the Department of Neuropathology at the Friedrich Schiller University Hospital in Jena. Since 2009, Professor Mawrin has been Director of the Institute of Neuropathology at Otto von Guericke University Magdeburg.

hilippe Métellus is Professor of Neurosurgery at the Clairval Hospital Center in Marseille, France. He is a brain tumour specialist and leads the Glioma and the Brain Metastases program in France.  
Besides his clinical activity, he runs the translational and basic science research program in the CNRS UMR 7051 unit of the Institut of neurophysiopathology. He obtained his doctorate in medicine (Neurosurgery specialty) from the University of Marseille in 2002 and his PhD in 2011 for his research on angiogenesis and invasion in gliomas.  
He received a master of Neurosciences from the Paris-Sud University in Paris, and completed his fellowship at the Johns Hopkins University, Baltimore, Maryland, USA (2006) and at The Barrow Neurological Institute in Phoenix, Arizona, USA (2007). 

Prof. Métellus has authored or co-authored more than 150 peer-reviewed articles and has received substantial awards for coordinating a variety of clinical and translational research projects.  
He is also reviewer for a number of international journals such as Journal of Neuro-Oncology, Neuro-Oncology, The Lancet Oncology, World Neurosurgery and Journal of Neurosurgery. He is a board member of the French National Society of Neurosurgeons. Since 2012, he has been one of the elected members of the Neuro-Oncology section of EANS (European Association of Neurosurgical Societies). In 2013, he was invited to join the Brain Mets Platform of EORTC (European Organization for Research and Treatment of Cancer) and has been elected member of the Neuro-Oncological committee of the World Federation of Neurological Societies (WFNS).  
His clinical and research activities are focused on Gliomas and Brain Metastases.  
In 2011, with his neurological team, Prof. Métellus initiated a surgical research program on gliomas located in eloquent areas, including awake craniotomies with electroencephalographic recordings. He also leads a translational research program on Gliomas and Brain Metastases biology with the oncological transfer laboratory at the Aix-Marseille University. These programs involve a multi-disciplinary brain tumor consortium including, Neurologists, Neuro-Oncologists, Medical Oncologists, Radiation Oncologists, Neuro-Radiologists, Pathologists and the translational oncology university platform. In addition, since November 2016, Prof. Métellus has coordinated a "Committee for Research, Clinical Innovation and Education (CRICE)", within Clairval Hospital Center, which provides the framework to enhance and encourage the clinical research within the establishment. 
Since 2011, Prof. Métellus organized the Annual Brain Metastases Research and Emerging Therapies Conference. He is the Program Chair of this meeting which has reach last year its 10th edition with the endorsement of EORTC, EANS and EANO. 

Bernhard Meyer MD is Professor of Neurosurgery at the Technical University of Munich School of Medicine and Chairman of the Department of Neurosurgery at the Klinikum rechts der Isar, Munich Germany. He was born in 1962 and trained in Italy and the US as well as his native Germany before starting his internship in Neurosurgery at the University of Tubingen. He completed his residency in 1995 within the Neurosurgical Department at the University of Bonn, where he stayed for over ten years, ending his time there as Associate Professor. In 2006, he was appointed Full Professor of Neurosurgery and Chairman of the Neurosurgical Department at the Technical University of Munich. In addition to his role as Past Chair of the EANS Spine Section, he holds a number of other positions with scientific societies. He is Past-President of the Germany Academy of Neurosurgery (DANC), Past-President of the International Group for the Advancement of Spinal Surgery (IGASS) and Past President of the German Spine Society (DWG), as well as Past Chairman of the Education Committee of Eurospine (SSE) and AO Spine. He also sits on the editorial board or acts as reviewer for over 20 Journals. In addition to Spinal Neurosurgery, his clinical/scientific interests include Neurooncology and the Neurovascular field. 

Prof. Dr. Dorothee Mielke, MBA is the Managing Senior Neurosurgeon and Vice-Chairman of the Department of Neurosurgery at the University Hospital Göttingen. She studied medicine in Berlin and finished her studies in Heidelberg. Between 2005-2008 she was trained in Neurosurgery at the University Hospital Giessen and afterwards in Göttingen (board certification in 2010).  She obtained her venia legendi in 2011 with scientific work on the topic of "new aspects in diagnostic and therapy of subarachnoid hemorrhage”. She was appointed Professor for Neurosurgery in 2016. In 2019, she received a master degree in business administration with distinction at the University of Applied Sciences in Osnabrück. Prof. Mielke is a member of a number of professional organizations, i.e. the German Society of Neurosurgery (DGNC), the European Association of Neurosurgical Societies and the German Spine Society (DWG) and has published round about 100 scientific articles.

Professor Nakamura (*1972) began his scientific career in 1994 with his doctoral thesis at the Department of Anatomy, Johann-Wolfgang-Goethe University, Frankfurt am Main. With his degree he started at the Department of Neurosurgery, Nordstadt Hospital and conducted basic science research on central auditory and visual prosthesis and clinical research on skull base tumors, especially skull base meningiomas, neuronavigation and neurophysiology. In 2006 he began his Post-doctoral thesis (Habilitation) at the Department of Neurosurgery, Hannover Medical School, Germany and graduated in 2011. In 2016 he became Full Professor of Neurosurgery, University of Witten / Herdecke, Germany. 
Prof. Nakamura gained extensive clinical experience in his profession as a Neurosurgeon. From 1998-2004, he absolved the Neurosurgical Residency at the Department of Neurosurgery, Nordstadt Hospital, Teaching Hospital of Hannover Medical School, Hannover, Germany. After qualification as Board Certified Neurosurgeon he was Attending Neurosurgeon until 2008 and Vice Chairman from 2008-2016 at the Department of Neurosurgery, Hannover Medical School, Hannover, Germany. 
From July 2016 until now he is Chairman at the Department of Neurosurgery, Krankenhaus Köln Merheim, Kliniken der Stadt Köln gGmbH, Cologne, Germany. 

Volker Neuschmelting studied Medicine at the University of Bonn, Germany, at the Institute of Neurology, Queen Square, at UCL London and at the University Hospital Berne, Switzerland before he received his medical doctorate from the University of Berne, Switzerland. He joined the University Hospital Cologne, Germany, for his residency in neurosurgery and focused his research activities on advanced pre- and intraoperative neuroimaging techniques in brain cancer patients. For that reason he spent a 2-year postdoc research scholarship at the Memorial Sloan Kettering Cancer Center, New York, USA funded by the Deutsche Forschungsgemeinschaft (DFG). He now serves as an assistant professor and attending senior surgeon at the Department of Neurosurgery of the University Hospital Cologne, Germany clinically focusing on oncological brain and spine surgery. He and his research group continues to persue the development of optical imaging techniques such as fluoroscence imaging, Raman spectroscopy imaging and photoacoustics in particular, with the goal of facilitating highly sensitive and specific intraoperative tumor detection and visualization for translation in neurooncological surgery. 

Prof. Dr. Özgür Onur, MD, is a graduate of RWTH Aachen, Faculty of Medicine. He trained in neurology and intensive care at the University Cologne, Department of Neurology and is board certified in both disciplines. Prof. Onur has been practicing since 2005, he specialized in neurodegenerative diseases, stroke, rehabilitive care and care of critically ill. He is board member of the Centre of Memory Disorders at the University Hospital Cologne.
 Prof. Onur performed his scientific work at the Research Centre Jülich, Institute of Neuroscience and Medicine (INM-3) and the University Hospital Cologne. His research area is the pharmacological and non-pharmacological modulation of cognitive processes. His work encompasses cognitive aging and dementia, he investigated on neural effects of pharmacological challenges, cognitive training, and cognitive stimulation in subjects suffering mild cognitive impairment. Further, he performed network analyses using functional imaging techniques to detect changes of network architecture during memory encoding and consolidation in the course of aging and dementia. In the last years he performed research applying non-invasive brain stimulation as well as Deep Brain Stimulation in Alzheimer´s Disease. In the ADvance II study (Fornix-DBS), he is PI for Germany. 

In the context of his thesis, Julian Prell developed an automated computer-system, which was capable of identifying pathological patterns of intraoperative facial nerve EMG in cerebellopontine angle surgery. The system served as a basis for Julian Prell´s future scientific work, which he continued as a resident in the Neurosurgical department of the University of Erlangen from 2004 to 2006.  

In 2006, he relocated to Halle, Germany, together with his mentor Christian Strauss. Immediately after finishing his neurosurgical training in 2010, Julian Prell became an Attendant Neurosurgeon in Halle. The automated monitoring system for the facial nerve was developed further, and consecutive papers on this topic were published by his group. This work has been continuously supported by the Deutsche Forschungsgemeinschaft DFG since 2010.
Besides that, Julian Prell investigated into depth of anaesthesia in a cooperation with the Anaesthesiological Department as well as into the detection and prevention of perioperative thromboembolism together with the Department of Angiology, with high-ranking publications respectively. These projects have also been founded by the Deutsche Forschungsgemeinschaft and by local trusts. 
In 2014, Julian Prell received the German postdoctorate lecture qualification and published his postdoctorate thesis, reflecting 15 years of basic and clinical research into monitoring of the facial nerve EMG. In 2015, he was promoted to the position of Deputy Director of the Neurosurgical Department of the University Halle-Wittenberg. In 2019, his scientific achievements were acknowledged by the academic position of “außerplanmäßiger Professor”. 
In 2019, Julian Prell was elected as speaker for the section “Innovation und Technik” of the DGNC; he was re-elected in 2021. Since 2021, Julian Prell also heads the permanent faculty which organizes the certification process for Intraoperative Neurophysiologic Monitoring for the Neurochirurgische Akademie (NCA). Julian Prell is a member of the DGNC, BDNC, NCA, ISIN and EANS.

Guido Reifenberger is Professor of Neuropathology and Chair of the Institute of Neuropathology at Heinrich Heine University Düsseldorf. He also serves as co-chair of the Brain Tumor Reference Center of the German Society of Neuropathology and Neuroanatomy (DGNN). Since 2020 he is the Vice Dean for Research and Junior Scientists of the Medical Faculty at Heinrich Heine University. He was a member of the editorial advisory boards of the WHO classifications of CNS tumors 2016 and 2021, and is a member of the steering board of the cIMPACT-NOW consortium for regular updates on CNS tumor classification. His research aims to improve the understanding of molecular mechanisms driving initiation, progression and therapy resistance of CNS tumors, with a particular focus on gliomas. A specific interest consists in the characterization and clinical translation of novel molecular diagnostic techniques and biomarkers for improved brain tumor diagnostics. 

Professor Maximilian I. Ruge grew up in Munich, Germany. After studying medicine at the Ludwig-Maximilians University (LMU) in Munich, he completed a three-year research fellowship at the Memorial Sloan Kettering Cancer Center and at the Cornell University in New York in the Departments of Neurology, Neurosurgery and Neuroscience. Thereafter he continued his residency in the Department of Neurosurgery at the Klinikum Großhadern of the LMU in Munich.
After board certification in Neurosurgery he changed 2007 to the Department for Stereotaxy and Functional Neurosurgery at the University Clinic of Cologne and completed his Habilitation in February 2011. Since May 2015, he is Deputy Director of the Clinic. In 2017, Professor Ruge was appointed to the Professorship (W2) for Oncological Stereotaxy and as Chief of the Division for Oncological Stereotaxy and Radiosurgery within the Clinic and the Centre for Neurosurgery at the University Clinic of Cologne. He is board certified for applying Stereotactic Radiosurgery (CNS) and Stereotactic Brachytherapy (brain).  
His clinical, surgical and scientific focus lies in Stereotactic Radiosurgery and Brachytherapy, clinical Neuro-Oncology for adult and pediatric patients, 
Stereotactic OR-Techniques and imaging in Neuroscience and Neuro-Oncology. 
Professor Ruge is active member in the EORTC Brain Tumor Group, the Neuroonkologische Arbeitsgemeinschaft (NOA), the Radiosurgery Society (RSS), the European Association Neurological Surgeons (EANS), the European Association of Neuro-Oncology (EANO), the Society of Neuro-Oncology (SNO) and the Deutsche Gesellschaft für Neurochirurgie (DGNC). 

Prof. Yu-Mi Ryang completed her Neurosurgical Training at the Dept. of Neurosurgery at the University Hospital RWTH Aachen, Germany. She then took a position as attending neurosurgeon at the Dept. of Neurosurgery at the Klinikum rechts der Isar, Technical University Munich, where she later became Vice Chair and was appointed to „außerplanmäßige Professorin“ of the TU Munich. Since 2019 she is head of the Dept. of Neurosurgery & Center for Spine Therapy, Helios Klinikum Berlin-Buch. Her clinical specialties are neurooncology, vascular neurosurgery and spine surgery (esp. tumors, infections, osteoporotic fractures) and deformity surgery in cooperation with an orthopedic spinal deformity specialist. She is faculty member of AOSpine, DGNC, DWG, EANS and EUROSPINE, past member of the DWG Steering Committee, and actual member of the DWG Research & Science Committee, DWG Training Committee, DWG Quality Control Committee, DWG Program Committee and member of the Scientific Advisory Board of the official DWG Journal „Die Wirbelsäule“ (Thieme Verlag), the AO Technical Commission CTITF (Cervico Thoracic Instrumentation Task Force), OSITF (Osteoporotic Spine Instrumentation Task Force), FTDEG (Fracture, Tumor and Deformity Expert Group), AG Osteoporotic Fractures DGOU Spine Section, EUROSPINE Education Committee and co-chair of the DWG Basic Course Module 5 (tumor, infectious and systemic diseases of the spine) and EUROSPINE Basic Module 4 (Trauma).

Professor Sabel is a leading neurooncological neurosurgeon in Germany. He is Head of the Centre of Neurooncology at the University Hospital Düsseldorf. He focuses on supramarginal resection of infiltrating brain tumours. He is dedicated to neuro-oncological education and has developed a surgical training program for brain tumor resection. 

Walter Stummer trained with Hans-Jürgen Reulen and Jörg Tonn at the Ludwig-Maximilian’s-University in Munich.  He is presently the Chairman of the Department of Neurosurgery at the University of Münster and Director of the University of Münster Brain Tumor Center. He served 2 terms as Speaker of the Section Neurooncology of the German Society of Neurosurgery, two terms as Speaker of the Neuro-Oncological Working Group (NOA) of the German Cancer Society, and was President of the German Society of Neurosurgery (DGNC) from 2016-2018. He was implemental in organizing structured neuro-oncological care in Germany in a commission appointed by the German Cancer Society. He founded the Brain Tumor Center Münster, the first to be certified by the German Cancer Society.
His main scientific interests are in the field of neuro-oncology and he is pioneer of fluorescence-guided resections with 5-ALA. His first publication of this method in clinical practice was in 1998 and he was PI on a randomized study for EMA and recently, FDA approval of this method. He has received a number of prizes for this work, for instance the AANS/CNS Young Investigators Award, the AANS/CNS Joint Tumor Section's Young Clinical Investigators Award and the WFNS-Award. Other scientific interests are in vascular and skull base surgery.
Walter Stummer is serving on the editorial boards of several neurosurgical and neuro-oncological  journals. 

Ulrich Sure was born in Gummersbach, Germany. He completed the medical school at the University of Freiburg in 1993 with a doctoral thesis under supervision of Wolfgang Seeger and started his scientific career by an inspirating one-year post-doc term with Paul Kleihues and Adriano Aguzzi at the Institute of Neuropathology at the University of Zürich. In 1994, he began his neurosurgical training with Joachim Gilsbach in Aachen and completed it from 1997-1999 in Marburg with Helmut Bertalanffy, who became his main surgical teacher. From 1999-2008 in Marburg, he also developed his expertise in molecular basics and clinics of both neurovascular pathologies and brain tumors as well as in intraoperative imaging by ultrasound. In 2008, he became the chairman of the Department of Neurosurgery and Spine Surgery at the University Hospital in Essen. Since 2016 Ulrich Sure serves as the Editor in Chief of the journal Neurosurgical Review. During his numerous international terms in his career his mind was deeply influenced by a number of prominent neurosurgical colleagues such as Evandro de Oliveira (Brazil), Fred Epstein (USA), Kenichiro Sugita (Japan) and Takanori Fukushima (USA and Japan).  

Claudius Thomé is professor and chairman of the Department of Neurosurgery at the Medical University Innsbruck since 2010. After completing his medical education at the Ludwig-Maximilians-Universität Munich, Germany and at Stanford University School of Medicine, Stanford/Ca., USA he received his residency training at the Department of Neurosurgery, University of Heidelberg, Campus Mannheim (Chairman: Prof. Dr. P. Schmiedek) (1995-2001). He completed several fellowships: 2nd Institute of Physiology, University of Heidelberg; Dept. of Orthopedics, Klinikum Karlsbad-Langensteinbach; Department of Neurosurgery, Barrow Neurological Institute, Phoenix, USA; and, Department of Neurosurgery, Mayfield Clinic, University of Cincinnati, USA. His professoral thesis was entitled “Evidence-based spine surgery: Evaluation of new surgical techniques using randomized studies” (2005).
Dr. Thomé’s surgical specialties are: cerebrovascular surgery, skull base surgery and both minimal-invasive and complex spine surgery, and his main research fields are: evidence-based and minimally invasive spine surgery plus regenerative medicine in spinal disease, complex spine surgery with a focus on adult deformity surgery as well as cerebrovascular diseases, neurotrauma, neurocritical care and neurooncology.
Dr. Thomé is Past President of the Austrian Society of Neurosurgery, the Austrian Society of Surgery and of the Austrian Spine Society. He served as Chairman of the Spine Section of the German Society of Neurosurgery, as Board Member of the German Society of Neurosurgery and of the German Spine Society, as Education Officer Europe of AOSpine, as Secretary of the German Academy of Neurosurgery and as a member of the Education Committees of the German Spine Society and the Spine Society of Europe. Dr. Thomé has been a member of the Board of the European Association of Neurosurgical Societies for several years, served as Chair of the Training Committee and currently holds the position of the Scientific Liaison Chair. 

Joerg Christian Tonn serves since 2001 as Professor and Chairman of the Department of Neurosurgery at the Ludwig-Maximilians-University in Munich (Campus Grosshadern). His primary research and clinical interests relate to surgical neurooncology with focus on translational aspects of molecular neurooncology, techniques of local tumor treatment as well as conceptual combinations of different treatment modalities in brain and skull-base tumors. His work also includes integration of molecular imaging, such as PET-CT, into the surgical management of brain tumor patients. Currently, he serves as chairman of the neurooncology committee of the WFNS.

Peter Vajkoczy was born in Munich in 1968 and began his professional career as a resident at the Department of Neurosurgery at the University Hospital of Mannheim. Since 2007, he has been Chairman and Professor at the Department of Neurosurgery and Paediatric Neurosurgery at the Charité Medical Centre, Campus Charité Mitte, Campus Virchow Hospital, Campus Benjamin Franklin and Charité University Medicine Berlin. He has also numerous responsibilities in the medical field: as Chairman of the Department of Neurosurgery and Paediatric Neurosurgery at Charité University Medicine Berlin and as Board Member of the Stroke Centre Berlin. Furthermore, he is member of numerous societies, such as the German Critical Care Society and the Spine Society of Europe. During his career, he has received numerous awards, including the Research Award of the German Academy of Neurosurgery, the Viking Lecture Award of Scandinavian Course of Neurosurgery and the European Lecture Award of the European Association of Neurosurgical Societies.
His clinical interests in neurosurgery include neurovascular surgery, skull base surgery and spine surgery. In addition, his research interests are regeneration and repair after stroke, the role of innate immune system in tumor angiogenesis and SAH, moyamoya disease, cervical degenerative myelopathy, metastatic spine disease and spinal cord inflammation and rehabilitation. Peter Vajkoczy has published 369 papers so far. 

Prof. Veerle Visser-Vandewalle studied medicine at Ghent University, Belgium. She finished her neurosurgical training in 1996, after which she joined the staff of the Department of Neurosurgery at Ghent University Hospital, until 1999. In those three years, she gained expertise in deep brain stimulation (DBS) and brachytherapy. She was the first to perform DBS in a patient suffering from Tourette syndrome (Vandewalle V et al, The Lancet, Feb 1999). In 1999 she had a specialized training in epilepsy surgery at the Montreal Neurological Institute. At that time, she was offered a position as senior staff at the Department of Neurosurgery at Maastricht University Hospital, The Netherlands. In 2004 a PhD was obtained, and in 2007 she was appointed an extraordinary professorship at Maastricht University. Since August 2012, she has a full professorship at Cologne University and is head of  the Department of Stereotactic and Functional Neurosurgery at the Cologne University Hospital. Her focus points are DBS for movement disorders, psychiatric indications and dementia. She has published more than 230 papers in peer-reviewed journals. In 2019, she obtained the title of Dame in the Order of Leopold II, granted by King Filip of Belgium.   

Dr. Michael Weller has been Chairman of the Department of Neurology at the University Hospital Zurich, Switzerland, since 2008. He qualified in medicine in Cologne, Germany, after completing his thesis on proliferative disorders of the retina. A postdoctoral fellowship at the Department of Clinical Immunology, University Hospital Zurich, Switzerland, followed where he identified death receptor targeting as a potential treatment strategy for glioblastoma. In 2005, he was appointed Chairman of the Department of General Neurology at the University Hospital Tübingen, Germany, where he had previously received his education in clinical neurology.

Dr. Weller has received several awards in recognition of his contributions to cancer research, including the German Cancer Award in 2007. He served as Chairman of the Neuro-Oncology Group of the German Cancer Society from 2001-2008. He is the Chairman of the German Glioma Network of the German Cancer Council, joined the Executive Board of the European Association for Neuro-Oncology (EANO) in 2010 and served as President of EANO for 2014-2016. He was also the Chairman of the Brain Tumor Group of the European Organization for Research and Treatment of Cancer (EORTC) (2015-2021) and hosted the World Federation of Neuro-Oncology Societies (WFNOS) Meeting 2017 in Zurich, Switzerland.

Dr. Weller has co-authored more than 750 original publications in peer-reviewed journals, including The New England Journal of Medicine, Cell, Science, Nature, Nature Medicine, Lancet Oncology, PNAS, The Journal of Clinical Investigation, and The Journal of Clinical Oncology.