Dr. Ohman is a board-certified colorectal surgeon and Assistant Professor of Surgery at Washington University School of Medicine in St. Louis, MO. Her clinical practice focuses on minimally invasive colorectal surgery, with expertise in colorectal cancer, inflammatory bowel disease, diverticular disease, pelvic floor disorders, and other complex benign colorectal conditions. She is committed to advancing surgical innovation and improving patient outcomes through evidence-based, patient-centered care.

Dr. Williams is board certified in gastroenterology and internal medicine. He is a graduate of the Johns Hopkins University School of Medicine. He then completed his internal medicine residency at the Johns Hopkins Hospital and his gastroenterology fellowship at the University of Texas Southwestern Medical Center at Dallas. Dr. Williams is a member of the American Association for the Study of Liver Diseases, the American College of Gastroenterology, the American Gastroenterology Association, and the American Society of Gastrointestinal Endoscopy. Dr. Williams is currently in private practice in St. Louis, Missouri, and he sees a broad array of gastrointestinal and liver diseases.