Michael Phelps is the most decorated Olympian of all time. He is a member of the U.S. men's swim team and has competed in the 2016 Summer Rio Olympics. Phelps is considered to be one of the greatest swimmers in history, with 28 total Olympic medals, including 23 gold. Brian Cazeneuve is a writer at Sports Illustrated, where he has been covering the Olympics since 1995. His freelance work has appeared in numerous national publications, including Time, People, the New York Times, the Washington Post, NBC Sports, and others. Bob Costas is one of America's most well-known sportscasters. He began his career as a student announcer before joining NBC Sports in 1980. He has been the host of eleven Olympic games and can be seen regularly hosting The NFL on NBC.