Swimmer who won gold at the 2008 Olympics in the 4×200-meter freestyle relay, also winning Olympics silver in 2000 and 2004.
He swam at Boston College High School and set a state record in the 500-yard freestyle.
He won five NCAA swimming titles at the University of Southern California.
He grew up in Wellesley, Massachusetts.
He was a speaker at Ron Paul's Campaign for Liberty event in Minneapolis, Minnesota.