Executive Committee

Ryan Sexton, M.D., President

Ryan J. Sexton, M.D. is an emergency medicine physician and serves as Medical Director of Emergency Services and President of Medical Staff at Northeastern Vermont Regional Hospital (NVRH) in St. Johnsbury, VT.

Dr. Sexton graduated from the University of Vermont College of Medicine and completed residency in Emergency Medicine at UMDNJ Cooper University Hospital in Camden, NJ. He completed a fellowship in Disaster Medicine and EMS at Cooper Medical School of Rowan University in Camden, NJ. After completion of fellowship training, Dr. Sexton practiced clinically at Cooper Hospital as an Assistant Professor of Emergency Medicine before returning to Vermont to work at NVRH. Dr. Sexton is double board certified by the American Board of Emergency Medicine in the specialties of Emergency Medicine and Emergency Medical Services. Dr. Sexton serves as Medical Advisor to VT District 5 EMS, as the President of the Vermont Chapter of the American College of Emergency Physicians, and also sits on the Vermont Board of Medical Practice. He also serves as Medical Advisor to the Vermont Healthcare Emergency Preparedness Coalition (VHEPC) and just started as Chair of the VT Emergency Department Medical Director Committee.

Rebecca Bell, M.D., President-Elect

Dr. Bell is a Pediatric Critical Care physician at the University of Vermont Children’s Hospital and an Associate Professor of pediatrics at the Larner College of Medicine at UVM.

Dr. Bell received her medical degree from the University of Massachusetts Medical School and a master’s degree in public health from the Harvard School of Public Health. She completed her pediatric residency training as well as her pediatric critical care fellowship at the Massachusetts General Hospital.

Outside of clinical care, Dr. Bell works on injury prevention efforts for the Vermont Child Health Improvement Program (VCHIP). She serves in leadership roles within the American Academy of Pediatrics at the state and national level and is active in community and legislative advocacy efforts.

Katie Marvin, M.D., ABFM, Vice-President 

Katherine (Katie) Gamble Marvin, M.D., ABFM, is a family physician at Lamoille Health Partners, a Federally Qualified Health Center, in Stowe and Morrisville VT. She received her bachelor’s degree from Princeton University, earned her doctorate at the University of Maryland College of Medicine, and completed her family medicine residency at the University of Vermont Larner College of Medicine. Following a surgical obstetrical fellowship at Swedish Hospital in Seattle, Washington, she settled in Lamoille County with her husband, a local sugar maker. Dr. Katie Marvin is an advocate for affordable primary care and has been certified by the American Board of Family Medicine since 2007. She specializes in infants, pediatrics, teen health, and outpatient procedures, while also giving attention to areas of need related to social determinants of health. Currently, a portion of her practice focuses on the evidence based and accessible use of medication assisted treatment for people struggling with substance use disorders.

Howard Schapiro, M.D., Secretary/Treasurer

Dr. Schapiro is an anesthesiologist at the University of Vermont Medical Center and the chairman of the Department of Anesthesiology at the University of Vermont College of Medicine (UVMCM). He received his bachelor of arts in biology and masters of science in natural sciences/epidemiology from the State University of New York at Buffalo and his medical degree at UVMMC.

An attending anesthesiologist at FAHC since 1986, Dr. Schapiro is currently a member of the hospital's strategic management, faculty practice finance, medical staff executive, and operating room steering committees.

Simha Ravven, M.D., Immediate Past President

Contact the VMS president at President@vtmd.org

Dr. Ravven is the Chief Medical Officer of the Howard Center and Assistant Clinical Professor in Law and Psychiatry at the Yale University School of Medicine.

Dr. Ravven was a studio art major as an undergraduate at Hamilton College and decided to pursue medicine after serving in the United States Peace Corps in Morocco. She graduated from the University of Iowa Carver College of Medicine and completed her residency in Psychiatry at Harvard Medical School. She went on to train in Forensic Psychiatry at Yale University School of Medicine. Dr. Ravven is Board Certified in General Adult and Forensic Psychiatry. She has a private practice in forensic psychiatry and lectures on clinical violence risk assessment and other forensic mental health topics. Her passion is caring for adults with serious mental illness and contributing to research and policy on the intersection of law and mental health.