Tanya Simuni, MD, Principal Investigator Dr Simuni is an Arthur C. Nielsen Jr Research Professor and Director of the Parkinson’s disease and Movement Disorders Center at Northwestern University Feinberg School of Medicine in Chicago, Illinois. She also serves as Residency Program Director in the Department of Neurology. Dr Simuni joined the faculty of the Northwestern University Feinberg school of Medicine in 2000 to build and lead a multidisciplinary movement disorders center that is recognized by the National Parkinson’s Foundation as a Center of Excellence and serves as a training model in the region. She is the lead investigator of a number of clinical trials on experimental pharmacology, non-motor manifestations, and pharmacological and surgical management of PD. Dr Simuni is currently the Investigator of more than a dozen PD clinical trials, one of which is a multicenter phase 2 clinical trial supported by a multimillion dollars grant from the Michael J. Fox Foundation that will evaluate isradipine as a potential disease-modifying agent in early PD. She is the National Principal Investigator on the NET PD FS-Zone study. She serves on a number of Steering Committees for the PD national clinical trials, several committees of the Parkinson Study Group and the National Parkinson Foundation. Dr. Simuni was instrumental in development and expansion of the Clinical Trials center in the department of Neurology. Dr Simuni is an active member of the American Academy of Neurology, American Neurological Association, and the Movement Disorders Society as well as the Parkinson’s Study Group, Restless Legs Syndrome Study group, and REM Behavior Disorders Study Group. In 2008, the Northwestern Medical Foundation honored and selected her from more than 500 faculty members for the Physician Excellence Award in Clinical Leadership.