John Duda, MD, is the national director of the Parkinson's Disease Research, Education and Clinical Center (PADRECC) for the Department of Veterans Affairs, as well as the local director of PADRECC at the Philadelphia VA Medical Center. He is also an associate professor of neurology at the Perelman School of Medicine at the University of Pennsylvania. Dr. Duda is an internationally recognized leader in clinical and basic investigations of Parkinson’s disease (PD) complications and treatment strategies. His research activities include basic science investigations into the role of Lewy bodies in the pathophysiology of PD and related disorders. He is currently on the Editorial Board of Movement Disorders and has served as a peer reviewer for over 30 journals. He has authored more than 130 scientific publications, including articles in JAMA, Science, Neuron, The New England Journal of Medicine and Neurology.