Kurun Partap Singh Oberoi, MD

Dr. Elizabeth Verna is the Frank Cardile Associate Professor of Medicine in the Center for Liver Disease and Transplantation and Division of Digestive and Liver Diseases at Columbia University, where she practices as transplant hepatologist. Dr. Verna has an active clinical research program in end-stage liver disease and liver transplantation and is the Director of Clinical Research for the Columbia UniversityTransplant Clinical Research Center. Visit The Center for Liver Disease and Transplantation at columbiasurgery.org/liver

Makram Gedeon, MD, is a double board-certified bariatric and colorectal surgeon specialized in minimally-invasive approaches to colorectal and bariatric surgery. Dr. Gedeon is part of both the Colorectal Surgery team at several locations throughout New York and New Jersey and the Center for Advanced Surgery at Lawrence Hospital and Hudson Valley. Dr. Gedeon received his medical degree from the American University of Beirut in 2002 before completing an internship in surgery at the Mayo Clinic and a general surgery residency at the University of Texas Southwestern. He has undergone two fellowships - one in minimally-invasive surgery at the University of Texas Southwestern and another in colon and rectal surgery at NewYork-Presbyterian. Following his residency training, Dr. Gedeon spent ten years in a busy community hospital practice in Bristol, Connecticut, where he helped start and grow the practice’s weight loss surgery program and served as its medical director until the end of 2018. Clinically, Dr. Gedeon is interested in the application of minimally-invasive and robotic surgery to treat colorectal diseases and obesity, specializing in bariatric surgery and revisions. His research focuses include surgical technology and clinical outcomes. He is fluent in English, Arabic and French.

Dr. Joseph Riad is a Colon and rectal surgeon with expertise in the full spectrum of benign and malignant colorectal diseases including colon and rectal cancer, inflammatory bowel disease, diverticulitis, anorectal disorders and pelvic floor conditions, as well as minimally invasive procedures. He is experienced in Robotic surgery. He has special interest in colon and rectal cancer, having done an advanced fellowship in colorectal oncology. Dr. Riad is board Certified from the American Board of Surgery and American Board of Colorectal Surgery. Dr. Riad obtained his medical degree with highest honors from Cairo University School of Medicine, Cairo, Egypt, followed by General surgery residency at Cairo University hospitals. He then finished a surgical internship at University of Southern California in Los Angeles, followed by a general surgery residency at New York Medical College, Metropolitan Hospital in New York. Dr. Riad then completed a Colon and Rectal surgery fellowship at Mount Carmel Medical Center, Columbus, Ohio followed by one year of Advanced Colorectal Surgical Oncology Fellowship at Memorial Sloan Kettering Cancer Center in New York. He then worked in Florida for two years before joining the New York Presbyterian/Columbia University Irving Medical Center.