Dr Roos is the Marjorie and Robert E. Straus Professor in Neurological Science in the Department of Neurology. His research program is focused on the pathogenesis of neurodegenerative diseases, especially amyotrophic lateral sclerosis, and on investigations of picornavirus central nervous system infections. He has published more than 200 papers. Dr. Roos previously served as Chair of the Department of Neurology. He has been a member of the Editorial Boards of the J. Neuroimmunology, J. Neurovirology, J. Virology, and Annals of Neurology, and presently serves on the Editorial Board of Virology and Scientific Reports. He is Associate Editor of Neurology Genetics and Editor-in-Chief of MedLink (an on-line Neurology site). He is a member of the US FDA Cellular, Tissues and Gene Therapies Advisory Committee. He formerly served as Chair of the FDA Transmissible Spongiform Encephalopathies Committee as well as the Chair of the Vaccines and Related Biological Products Advisory Committee. He was a member of the National Academy of Sciences Institute of Medicine Committee to Examine Multiple Sclerosis, American Academy of Neurology Science Committee, Amyotrophic Lateral Sclerosis (ALS) Association grant review committee, National Multiple Sclerosis Society Research Programs Advisory Committee (which he Chaired), and NIH NINDS grant review study section.