Ray Dorsey and Michael S. Okun are two of the world’s most published, read, cited, and well-known neurologists. Together they have educated hundreds of thousands of families affected by Parkinson’s, cared for ten thousand individuals with the disease, and trained hundreds of clinicians. They are the coauthors of Ending Parkinson’s Disease. Dorsey lives in Rochester, New York and Okun lives in Gainsville, Florida.