ISAO INOKUMA is a professor of physical education at Tokai University, standing trustee of International Budo University, an international refree, and a member of the supporting committee of the All-Japan Judo Federation. He twice won the All-Japan Judo Championship and was the gold medal winner in the heavyweight division of the 1964 Tokyo Olympics. He also won the open category in the Fourth World Judo Championships.
NOBUYUKI SATO is a professor of physical education at Tokai University. Winner of the All-Japan Judo Championship in 1974 and the light-heavyweight titles of the Fifth and Eighth World Judo Championships, he is a member of the supporting committee of the All-Japan Judo Federation.