Deborah Hall, MD PhD is an expert on Parkinson's disease and related disorders. She is the Director of the world renowned Rush University Parkinson's Disease and Movement Disorder program and the Parkinson's Foundation Endowed Chair. She is a Professor of Neurological Sciences, has a clinical practice of Parkinson's disease patients, and an active research program in Parkinson's disease and other movement disorders funded by the National Institutes of Health, Parkinson's Foundation, Michael J. Fox Foundation, and others.Natalie Witek, MD, MS is a movement disorder specialist who sees patients with Parkinson's disease and other movement disorders at Rush University Parkinson's Disease and Movement Disorder program. She has received training and research funding from the Parkinson's Foundation, Michael J. Fox Foundation, and others.Abhimanyu Mahajan, MD, MHS is a movement disorders neurologist and Assistant Professor of Neurological Sciences at Rush University Medical Center. He specializes in the diagnosis and care of individuals with Parkinson's disease and related disorders. He has received funding from the Parkinson's Foundation, Sunflower Parkinson's disease Foundation and Dystonia Medical Research Foundation.