Jeffery "Jeff" Powers is an American water polo player. He was an All-American at the University of California, Irvine. He played for the United States national team at the 2004, 2008, and 2012 Summer Olympics, helping the team win the silver medal in 2008. Powers attended San Luis Obispo High School, where he played on the water polo team. He was named to the All-CIF team twice. Powers played on the UC Irvine water polo team. He was a first team All-American in 2000, 2001, and 2002. Powers scored four goals at the 2001 FINA World Championships. He scored six goals, tied for the team lead, at the 2002 FINA World Cup. At the 2003 Pan American Games, he had a hat trick in the gold medal game, which the U.S. won. He played at the 2004 Summer Olympics, and the U.S. finished seventh. Powers scored 10 goals at the 2005 FINA World Championships. The U.S. won the 2007 Pan American Games, and Powers scored seven goals. At the 2008 Summer Olympics, he scored six goals and helped the U.S. win the silver medal. Powers scored five goals at both the 2009 FINA World Championships and the 2010 FINA World Cup. The U.S. won the 2011 Pan American Games, and Powers led the team with 11 goals. He scored five times at the 2012 Summer Olympics, and the U.S. finished in eighth place.From 2004 to 2011, Powers played professionally in Greece, Italy, and Hungary: Vasas-Plaket TeVa.