Prof. John J. Ratey

John J. Ratey, MD — Associate Clinical Professor of Psychiatry, Harvard Medical School; Author of Spark

Harvard Medical School

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John J. Ratey, MD, is an Associate Clinical Professor of Psychiatry at Harvard Medical School and an internationally recognized expert in Neuropsychiatry. He has published over 60 peer-reviewed articles and 12 books in 20 languages, including the ADHD classic Driven to Distraction series with Ned Hallowell, MD, and ADHD 2.0 (2021). His bestseller Spark: The Revolutionary New Science of Exercise and the Brain established him as one of the world's foremost authorities on the brain-fitness connection.