Markus Antonius Rogan is a retired Austrian swimmer, who won two silver medals at the 2004 Summer Olympics in Athens, Greece and a gold medal for 200 m backstroke at the 2008 World Short Course Championships in Manchester. He also was the world record holder in 200 metres backstroke in that year.

Aaron Wells Peirsol is an American former competition swimmer and backstroke specialist who is a former world champion and world record-holder. He is a three-time Olympian and seven-time Olympic medalist. Individually, he currently holds the world record in the 200-meter backstroke event. In February 2011, Peirsol announced his retirement, saying, "I ended up doing everything I set out to do."