Tanith Jessica Louise Belbin is an ice dancer. She was born on July 11, 1984 in Ontario. In 1998, she began competing for the U.S. with Benjamin Agosto. December 2005, she became a naturalized U.S. citizen. She earned an Olympic silver medal for the US in 2006. In addition to other honors, she and her partner also won the US National Championships from 2004-2008.