Director of Cancer Center, Korea University Anam Hospital, Seoul, Korea

Professor of Colorectal Division, Department of Surgery, Korea University College of Medicine, Korea

Founding President of Korean Association of Robotic Surgeons Scientific Committee

Chair of Korean Society of Endoscopic & Laparoscopic Surgery

Vice President of Korean Cancer Society

韩国高丽大学医学安南医院肿瘤外科主任

高丽大学医学院结直肠外科教授

韩国机器人外科医师协会创始主席

韩国内镜及腹腔镜外科协会主席

韩国肿瘤学会副主席