Dr.Watanabe graduated from Yokohama National University, Faculty of Engineering (1983), and Mie University, Faculty of Medicine (1989). He obtained a doctor in Medicine from Mie University (1993). He was a professor at Graduate School of Engineering, Yokohama national University (2003-2017), and also a guest professor at School of Medicine, Yokohama City University (2011-1017). He was a visiting fellow in NIH/NIEHS (1997-1999, Dr. J. Carl Barrett). He is now a professor, at School of Medicine, Mir University (2017-). He has published more than 130 scientific publications. He is a member and councilor in Japanese Society of Pathology, and in Japanese Cancer Association.