Ritter Pharmaceuticals, Inc. announced the appointment of Anthony J. Lembo, M.D., to its Medical Advisory Board. Dr. Lembo is Director, GI Motility and Functional Bowel Disorder Center at Beth Israel Deaconess Medical Center and Professor of Medicine at Harvard Medical School. He also serves as an active member of many professional societies including the American Gastroenterological Association, the American Neurogastroenterology and Motility Society, and the American College of Gastroenterology.