Manabu Yamamoto, MD, PhD, received his medical degree from the Saitama Medical School, Saitama, Japan. He completed his surgical residency and a fellowship at the Jikei University School of Medicine, Tokyo, Japan. Dr Yamamoto also completed a fellowship in minimally invasive surgery, including flexible endoscopic and laparoscopic procedures, at the University of Colorado Health Sciences Center in Denver. He was conferred a PhD degree through his laparoscopic study from Jikei University. He is presently the director and chairman of Adachi Kyosai Hospital in Tokyo. Dr Yamamoto specializes in endoscopic surgery.