Has served as the Secretary General of FIBA, basketball’s international governing body, since 1976
Has coordinated basketball competition in the Olympics since 1968 in Mexico City
Has also been responsible for eight World Championships for women’s basketball (1971, 1975, 1979, 1983, 1986, 1990, 1994 and 1998) as well as several European Championships
Had also previously served as Vice and Deputy Secretary General of FIBA
Is a member of the International Olympic Committee
Has been a member of the Central Board of FIBA, Yugoslavian Basketball Federation (1953-66), Yugoslavian Olympic Committee (since 1988), and the European Cup Commission (since 1958)