A graduate in journalism and civil administration, Mr Diallo joined the IOC in 1994. He was a member of the Executive Board from 2003 to 2006 and also served on the following commissions: Sport for All (1995), Radio and Television since 1996, IOC 2000 (1999), Olympic Solidarity (2002-2006) and International Relations since 2002. He became an Honorary Member in 2012.
Mr Diallo enjoyed playing football and basketball, and it was his passion for sport that led to his long career serving the Olympic Movement at home and abroad. During his 15 years at the head of the NOC of Guinea, he played a key role in supporting athletes and in promoting the values of physical activity in his country. On a continental level, Diallo was a Member of the ANOCA Executive Committee from 1986 to 1990, before becoming President from 2001 to 2005. He also served as a member of the ANOC Executive Committee before becoming its Vice-President in 2001.