Dr. Nakajima is Professor and Chairman, Department of Urology since 2011 at Toho University School of Medicine, Tokyo, Japan. He received his MD and PhD from School of Medicine, Toho University, Tokyo, Japan. Dr. Nakajima did his research fellowship at the University of California San Francisco School of Medicine ( from 1999 2001 in the fie ld of urological cancers. He has
extensive experience in the field of urological diseases including urological malignancies and have conducted several clinical trials. Dr. Nakajima is a Scientific Organiz er of various associations and societies such as D irector, Japanese Urological Associations ; Director and Secretary General, Japanese Society of Sexual Medicine ; Director, Japan Society of Andrology ; Councilor, The Japanese Society of Endourology ; Councilor, Society of Reproductive Medicine ; Member, Japan Society of Clinical Oncology ; Member, Japan Society of Adolescentology.