Dr. Jon Lieff is a neuropsychiatrist with a Bachelor of Arts in Mathematics from Yale University and a Doctorate in Medicine from Harvard Medical School. Known as an innovator in several medical fields, he pioneered the creation of integrated treatment units that focus on complex patients with combined medical, psychiatric, and neurological problems. He built some of the first geriatric medical/psychiatry hospital units, and the largest geriatric treatment network in New England, which he directed for twenty-five years. Furthermore, he is an expert and innovator in developing specialized, innovative treatment programs for brain-injured patients.