The Northern Trust Open, is a professional golf tournament on the PGA Tour, first played in 1926. Formerly known as the Nissan Open and originally known as the Los Angeles Open, it is played annually in February in Pacific Palisades, California. The tournament has been contested at the Riviera Country Club on a near-continuous basis since 1973. Northern Trust Corporation, based in Chicago, has been the title sponsor of the event since 2008, following a 21-year sponsorship by Nissan. Entertainer Glen Campbell was the celebrity host of the Los Angeles Open from 1971 to 1983.