Doctor of Medicine, Shinshu University, Nagano, Japan, 1986.
Resident internal medicine Toranomon Hospital, Tokyo, 1986—1990, medical staff neurology, 1990—2003. Research staff Institute of Molecular and Cellular Biosciences, University Tokyo, 1996—1997. Chief physician neurology Toranomon Hospital, since 2004.
Consultant Meiji Pharmaceutical University, Tokyo, since 2004.
Member Nature Conservation Society of Japan, Tokyo, 2004—2005. Member of Molecular Biology Society Japan, Society Neurologica Japonica, Japanese Society Internal Medicine.
Married Kazuko Watanabe, February 4, 2004. 1 child Keita.