Richard William Pombo, GOIH is an American lobbyist for mining and water-management companies and former Republican member of the United States House of Representatives, having represented California's 11th congressional district from 1993 to 2007. Pombo lost a reelection bid to Democratic challenger Jerry McNerney on November 7, 2006.

Jeffrey John Denham is an American politician, United States Air Force veteran, and businessman. A member of the Republican Party, he served as the U.S. representative for California's 10th congressional district from 2013 to 2019. Denham first won election to the U.S. House in 2010, representing California's 19th congressional district for one term before redistricting led him to run in the 10th district in 2012.