Justin B. Dimick, M.D., M.P.H. is the Frederick A. Coller Distinguished Professor of Surgery and Chair of the Department of Surgery at the University of Michigan. Dr. Dimick is a graduate of Cornell University and Johns Hopkins Medical School. He completed his surgical training at the University of Michigan and a health services research fellowship at the Dartmouth Institute for Health Policy & Clinical Practice. Dr. Dimick has served in several national leadership positions, including President of the Association for Academic Surgery (AAS), Chair of the Health Services Organization and Delivery (HSOD) Study Section at the NIH, Board Member of the Society of Surgical Chairs (SSC), Associate Editor at Annals of Surgery, and the Surgical Innovation Editor at JAMA Surgery. He has served as an advisor on quality and health policy for several organizations, including the BlueCross BlueShield Association (BCBSA), the American College of Surgeons-National Surgical Quality Improvement Program (ACS-NSQIP), US News and World Reports Best Hospital Rankings, and the Medicare Payment Advisory Commission (MedPAC).

Clinical Specialization:
Dr. Dimick's clinical practice is primarily devoted to advanced laparoscopy, including treatment of morbid obesity, gastroesophageal reflux (GERD), paraesophageal hernias, abdominal wall hernias, and other benign and neoplastic diseases of the stomach, spleen, and foregut. He is the editor of the widely read surgical textbook, Clinical Scenarios in Surgery: Decision Making and Operative Technique, 3rd edition published by Lippincott (2024).

Dr. Dimick served as the Director of the Center for Healthcare Outcomes & Policy at the University of Michigan from 2014 to 2019, prior to his appointment as chair. This group includes 100+ faculty and staff focused on improving the quality and efficiency of acute and specialty care. With R01 funding from the Agency for Healthcare Research and Quality (AHRQ) and National Institutes of Health (NIH), his own research focuses on quality measurement, policy evaluation, and large-scale, innovative quality improvement interventions. He has served as the primary mentor on 10 funded K-awards for junior faculty. He is also the PI on a NIH T32 training grant focused on training the next generation of surgeon-scientists. He has more than 500 peer-reviewed publications, including papers in NEJM, JAMA, Health Affairs, and the leading surgical journals. For his research contributions, Dr. Dimick has been elected to the American Society of Clinical Investigation (ASCI) and the National Academy of Medicine (NAM).