Ryosuke has served as a reviewer for the journal for several years. He trained at the Graduate School of Medicine, Kobe University in Japan, graduating in 1990. His orthopaedic residency was spent at Kobe University Hospital under the leadership of Prof. Mizuno and Prof. Kurosaka, and he became a board-certified specialist in Orthopaedic Surgery in 1997. From1997 to 1999, he spent two and a half years in Cleveland (USA) as a research fellow with Prof. Bergfeld and Prof. Andrish at the Department of Biomedical Engineering and Orthopaedic Surgery at the Cleveland Clinic. From 2002 to 2003, he was a postdoctoral research fellow with Prof. Fu and Prof. Huard at the UPMC in Pittsburgh (USA). He was then appointed as an assistant professor at the Department of Orthopaedic Surgery, Graduate School of Medicine, Kobe University. He was selected for the ISAKOS (the International Society of Arthroscopy, Knee Surgery and Orthopaedic Sports Medicine) Patellofemoral travelling fellowship in 2007 and also for the APOSSM (Asia-Pacific Orthopaedic Society of Sports Medicine)-ESSKA travelling fellowship in 2010.