Dr. Christopher M. Palmer is a psychiatrist and researcher working at the interface of metabolism and mental health. He is an Assistant Professor of Psychiatry at Harvard Medical School, the Founder and Director of the Metabolic and Mental Health Program, and the Director of the Department of Postgraduate and Continuing Education at McLean Hospital. For more than 30 years, he has held administrative, educational, research, and clinical roles in psychiatry at McLean and Harvard. He has been pioneering the use of the medical ketogenic diet in the treatment of psychiatric disorders—conducting research in this area, treating patients, writing, and speaking around the world on this topic. Most recently, he has proposed that mental disorders can be understood as metabolic disorders affecting the brain, which has received widespread recognition in both national and international media outlets.