Hiroyuki Sugaya, MD, is a world-renowned shoulder & elbow surgeon and researcher. Currently serving as chairman, Sports Medicine & Joint Center in Funabashi Orthopaedic Hospital, in Japan. He also serves as a clinical professor, Dept. of Orthopaedic Surgery, Chiba University, visiting Professor of Orthopaedic Surgery, Tokyo Women’s Medical University in Tokyo, and Department of Anatomy, University of Hawaii in Honolulu, USA. As academic society activities, he serves a chair of International Committee both in Japan Shoulder Society and Japanese Orthopaedic Society for Sports Medicine. His clinical interests relate to treatment for shoulder and elbow disorders in various ages of patients including Olympic level athletes and professionals. He has been an invited guest lecturer at numerous overseas shoulder courses and meetings and published around 70 English and 300 Japanese articles in these fields. In addition, he has been dedicated education for young surgeons worldwide accepting many visitors and fellows from all over the world.