Mark Henderson

Mark Andrew Henderson is a United States Olympic champion and former world record-holder. He is an Olympic gold medalist, three-time World champion, two-time Pan American Games champion, four-time Pan Pacific champion and five-time U.S. National champion. He competed at the 1996 Olympic Games in Atlanta, where he was the butterfly leg of the gold medal 4×100-meter medley relay, which set the World, Olympic, American, and U.S. Open records. He was on the U.S. National Swim Team for over 9 years.