Choi Hong Hi
Chang Ung (, born 5 July 1938) is a North Korean sports administrator and former athlete. He is currently the honorary life president of the International Taekwon-Do Federation, having previously served as its President from 2002 to 2015 following the death of General Choi Hong Hi from stomach cancer on 15 June 2002. Chang previously served as a member of the International Olympic Committee representing North Korea, and now serves as an honorary member of the IOC.