Prof. Dr. Andrew Chan is a Professor of Neuroimmunology and Head Physician at Inselspital, University Hospital of Bern. After studying medicine and obtaining a doctorate at the University of Hamburg, Professor Chan completed his specialist training at the University of Würzburg and continued his professional development as a Senior Physician at the Universities of Göttingen and Bochum. Prof. Dr. Chan has published widely in the field of MS, including papers on molecular markers of disease progression and risk of immunotherapy, treatment optimization, and patient monitoring. He has been the Principal Investigator for several clinical studies in MS. He has also been involved in the development of national treatment guidelines. Prof. Dr. Chan serves as a board member for several societies, as an associate editor for the European Journal of Neurology, and as a reviewer for different journals and research organizations.