Carl David DeMaio (born September 14, 1974) is an American politician from San Diego, California. DeMaio hosts a daily news and politics show on NewsRadio 600 KOGO during the afternoon drive. DeMaio also founded and served as Chairman of Reform California, an organization which wages campaigns against tax increases and advocates for a variety of government reforms.A member of the Republican Party, DeMaio served a single term as a member of the San Diego City Council, representing District 5 from 2008 to 2012. DeMaio was a candidate for Mayor of San Diego in the 2012 election, but lost to former congressman Bob Filner. He ran for California's 52nd congressional district in the 2014 election, but lost narrowly to incumbent Scott Peters. On August 5, 2019, DeMaio announced he would run for Congress in 2020 to represent the 50th district, running against incumbent Congressman Duncan D. Hunter, a fellow Republican. Hunter announced his resignation from Congress on December 6, 2019, which became effective January 13, 2020. In the primary election on March 3, 2020, DeMaio failed to qualify for the November runoff.