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 effort to detect banned substances and recent blood transfusions. While several athletes were barred from competition by their National Olympic Committees prior to the Games, six athletes failed drug tests while in competition in Beijing. What follows is a list of all the athletes that have tested positive for a banned substance either during or after an Olympic Games in which they competed. Any medals listed were revoked by the International Olympic Commission (IOC). In 1967 the IOC banned the use of performance-enhancing drugs, instituted a Medical Commission, and created a list of banned substances. Mandatory testing began at the