is a Senegalese businessman, sports administrator, and former athlete. He was president of the International Association of Athletics Federations (IAAF) from 1999 to 2015. He is the subject of numerous investigations into corruption during his tenure as president. He was also a member of the International Olympic Committee (IOC) from 1999 to 2013, then an honorary member from 2014 to 2015, and the chairman of the National Water Company "Société Nationale des Eaux" of Senegal (SONES) from 1995 to 2001. He is under house arrest since November 2015, and his trial in France started in June 2019. He is facing up to 10 years in jail.