Robert Ratner, MD, FACP, FACE, serves as an advisor and former Chief Medical Officer at Virta Health, a company pioneering a unique approach to treating type 2 diabetes and other cardiometabolic conditions. During his tenure at Virta, he played a crucial role in leading research and medical activities, contributing to the delivery and expansion of Virta's innovative treatment model. Before joining Virta, Dr. Ratner held the position of Chief Scientific & Medical Officer for the American Diabetes Association, a prominent voluntary health organization dedicated to combating diabetes. In this capacity, he provided leadership and oversight of scientific and medical initiatives, including research, clinical affairs, program recognition and certification, medical information, and professional education. As a Professor of Medicine at Georgetown University Medical School in Washington, DC, Dr. Ratner's expertise and contributions have had a significant impact on diabetes research and patient care.