Graph Dr. Omar M. Ghanem MD, FACS, DABS, is an eminent Bariatric and Minimally Invasive Surgeon (MIS) in the United States (US). Further, Omar has described a novel surgical technique for the management of abdominal wall hernias at the time of bariatric surgery and helped develop a new method for repairing giant "un-closable" paraesophageal hernias. Additionally, Dr. Ghanem leads the Mayo Clinic bariatric surgery research group.