Cara Castronuova

Cara Castronuova (born February 6, 1980) is an American champion boxer, a professional sports announcer, political activist and celebrity fitness trainer. She has won two Golden Gloves championships in Madison Square Garden. She was ranked #2 nationally by USA Boxing. Castronuova also starred as one of the head celebrity trainers on Season 11 of NBC's The Biggest Loser and is a boxing ring announcer.