Master of Medicine, Shinshu University, Matsumoto, Japan, 1981. Doctor of Medicine, Shinshu University, Matsumoto, Japan, 1990.
Intern, Shinshu U. Hospital, Matsumoto, 1981-1982; resident, Shinshu U. Hospital, Matsumoto, 1983-1984; cardiologist, Shinshu U. Hospital, Matsumoto, 1985-1987; intern, Matsumoto National Hospital, 1982-1983; cardiologist, Nagano Red Cross Hospital, 1984-1985; head physician internal medicine, Suwa Red Cross Hospital, 1987; head physician cardiology, Showa Inan General Hospital, Komagane, 1987-1995; head physician internal medicine, Nagano (Japan) Municipal Hospital, since 1995.
Fellow Japanese Society Internal Medicine, Japanese Circulation Society, Japanese Association Acute Medicine. Member Japanese College Angiology.
Married Miki Kitahara, May 7, 1995. Children: Maki, Ryoko, Haruki.