In 198, instead of following the United States to boycott the 198 Moscow Olympic Games, he led a team to participate in the competition as the head of the Belgian sports delegation.
In p>199, he was president of the European Association of National Olympic Committees.
From p>1989 to 1992, he was the chairman of the Belgian Olympic and Inter-federal Committee. He was the head of the organizing committees of the 1976 Innsbruck Winter Olympics, the 1988 Calgary Winter Olympics, the 198 Moscow Olympics, the 1984 Los Angeles Olympics and the 1988 Seoul Olympics.
In p>199, he was a member of the Olympic Sports Committee of the International Olympic Committee.
In p>1991, he became a member of the International Olympic Committee.
From p>1992 to 1994, he was a member of the Planning Committee of the Summer Olympic Games.
From p>1992 to 1993, he was a member of the Drug Committee of the 27th Olympic Games held in Sydney in 2.
From p>1994 to 2, he served as the vice chairman of the coordination committee of the 2 Sydney Olympic Games.
From p>1995 to 21, he served as the chairman of the Coordination Committee of the International Olympic Committee.
In July p>21, he was elected as the president of the International Olympic Committee and resigned as the chairman of the IOC Coordination Committee
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