President of the Organising Committee for the Olympic Games 2001. Pierre de Coubertin who headed the organizing committees for the 1900 and 1924 Summer Olympics as well as the 1924 Winter Olympics was the founder of the modern Olympic movement and International Olympic Committee. He served as President of the International Olympic Committee from 1896 to 1925. Peter Ueberroth who headed the organizing committee for the 1984 Summer Olympics in Los Angeles went on to serve as the Commissioner of Baseball from 1984 to 1989. Sebastian Coe who headed the organizing committee for the 2012 Summer Olympics in London is now serving as the President of the International Association
Doping at the Olympic Games to the Olympic competition, several prominent track and field athletes were ruled out of the competition due to failed tests. World indoor medallists Dimitrios Chondrokoukis, Debbie Dunn, and Mariem Alaoui Selsouli were withdrawn from their Olympic teams in July for doping, as was 2004 Olympic medallist Zoltán Kővágó. At the Olympic competition, Tameka Williams admitted to taking a banned stimulant and was removed from the games. Ivan Tsikhan did not compete in the hammer throw as a retest of his sample from the 2004 Athens Olympics, where he won silver, was positive. Amine Laâlou, Marina Marghieva, Diego Palomeque, and defending