Dr. Heechin Chae is the Medical Director of IOH and Senior Mentor of the IOH Academy. He is quadruple certified in Physical Medicine & Rehabilitation, Pain Medicine, Brain Injury Medicine, and Functional Medicine. Dr. Chae is a graduate of the Medical College of Virginia and completed his postgraduate training at Spaulding Rehabilitation Hospital and Cambridge Hospital, Harvard Medical School. His professional experience includes Associate Professor, Rehabilitation Medicine, at Georgetown University Medical School; Department Chair, Physical Medicine & Rehabilitation, MedStar Washington Hospital Center; Associate Professor, at Uniformed Services University of the Health Sciences, Bethesda, Maryland; Fort Belvoir Community Hospital, Intrepid Spirit One – TBI/PH Center Director; Fort Belvoir Community Hospital, Department Chief, Traumatic Brain Injury; Assistant Professor, Physical Medicine & Rehabilitation, Harvard Medical School; Director of Fellowship, Brain Injury Medicine, Harvard Medical School; Associate Medical Director, Traumatic Brain Injury Model System, Spaulding Rehabilitation Hospital; Director of Fellowship, Pain Medicine, Harvard Medical School; Director, Brain Injury Program, Spaulding Rehabilitation Hospital. His administrative appointments include: Samueli Institute, Member, Steering Committee – Metabolically Optimized Brain, Alexandria Virginia; United States of America, Department of Defense Member, Traumatic Brain Injury Committee, Washington D.C., among others. Dr. Chae has received numerous Honors and Awards including Teacher of the Year Award, Harvard Medical School and Teacher of the Year, Department of Rehabilitation Medicine, Residency Program, Georgetown University School of Medicine. In addition to his clinical work, Dr. Chae is a prolific author and lecturer on topics including Physical Medicine & Rehabilitation, Traumatic Brain Injury, and Chronic Pain.