Graduate, Tohoku University School Medicine, Sendai City, Miyagi, Japan, 1949. Doctor of Medicine, Tohoku University School Medicine, Sendai City, Miyagi, Japan, 1960.
Resident, fellow, St. Giles, Sea View, St. Luke's and Polyclinic Hospitals, New York City, 1959-1962;
postgraduate trainee, Teishin Hospital, Tokyo, 1949-1951;
medical staff department orthopaedic surgery, Teishin Hospital, Tokyo, 1951-1959, 62-66;
co-department chairman orthopaedic surgery, Teishin Hospital, Tokyo, 1966-1984;
department chairman orthopaedic surgery, Teishin Hospital, Tokyo, 1984-1990;
chairman emeritus, Teishin Hospital, Tokyo, since 1990. Visiting lecturer Tokyo U. School Medicine, 1974-1978. Shinshyu U. School Medicine, Matsumoto City, 1982-1991.
Consultant Tokyo Women Medical College, 1990-1993. Visiting professor Kansas U., Kansas City, 1982, Cologne (Germany) U., 1988. Instructor University of California at Los Angeles Ext., 1978-1985.
Science consultant São Paulo (Brazil) Eastern State Hospital,1986.
Member Japan Arthroscopy Association (president 1989-1991), Japan Knee Society (president 1986-1988), Arthroscopy Association of North America (honorary), German Speaking Association of Arthroscopy (honorary), Argentina Arthroscopy Association (honorary), International Arthroscopy Association United States (founding member).
Married Setsuko Takeshima, April 29, 1966.