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 × 100 m relay due to Nesta Carter testing positive for the prohibited substance methylhexaneamine. The IOC also stripped Russian jumper Tatyana Lebedeva of two silver medals in women's triple jump and long jump due to use of turinabol. On 1 March 2017, the IOC disqualified Victoria Tereshchuk of Ukraine due to use of turinabol and stripped her of the bronze medal in modern pentathlon. By April 2017, the 2008 Summer Olympics has had the most (50) Olympic medals stripped for doping violations. Russia is the leading country with 14 medals stripped. Athletes who were selected for the Games, but