Shinobu Sekine was a gold medalist in middleweight class at the 1972 München Olympics. He also won a bronze medal at the 1972 World Championships, in the open class. Sekine won two medals at the 1966 Asian Championships, a gold in middleweight and a bronze in open class. Sekine was known for his tai otoshi throw. He was a ninth Dan of the Kodokan Judo Institute.
Sekine later became President of the Judo Federation of Tokyo. He was a coach and advisor for the All-Japan Judo Federation, and served as an international referee, judging at the 1996 Atlanta Olympics. Sekine was also an instructor for the Tokyo Police Department and Heisei International University.
Japan