Mark D. Wiederhold is an Internal Medicine Specialist with extensive experience in Critical Care Medicine. He was a member of the medical staff of Scripps Clinic Green Hospital, Pomerado Hospital, and the Naval Hospital at Camp Pendleton. Over the past 38 years, he has been involved in a variety of clinical and research settings. He was the Director of Clinical Research, Department of Internal Medicine at Scripps Clinic, and was a Clinical Assistant Professor in Internal Medicine at University of California San Diego School of Medicine. He is a Fellow of the American College of Physicians, a Certified Physician Executive (CPE), a Diplomate of the American College of Physician Executives, and certified by the Certifying Commission in Medical Management.