Dr. McArthur is Director of the JHU NIMH Center, Interim Chair of the Department of Neurology, and Professor of Neurology, Pathology and Epidemiology at the Johns Hopkins University School of Medicine. Dr. McArthur is nationally and internationally recognized for his work in studying the natural history, development and treatment of HIV infection, multiple sclerosis and other neurological infections and immune-mediated neurological disorders. He has authored or co-authored over 120 publications relevant to NeuroAIDS, and has considerable expertise and experience interacting with the AIDS Clinical Trial Group, Neurological AIDS research consortium, MACS, and other multi-Center consortia. He is the PI of the CHARTER Site at JHU. His research interests include neurological therapeutics and the coordination of clinical and epidemiological studies of the neurological and neuropsychological manifestations of HIV infection.