James Douglas Muir Leno (; born April 28, 1950) is an American television host, writer and comedian. After doing stand-up comedy for years, he became the host of NBC's The Tonight Show from 1992 until 2009 when Conan O'Brien took over as host. Beginning in September 2009, Leno started a primetime talk show, The Jay Leno Show, which aired weeknights at 10:00 p.m. ET, also on NBC. When O'Brien turned down NBC's offer to have Leno host a half hour monologue show before The Tonight Show to boost ratings amid reported viewership diminishing, Leno returned to hosting the show on March 1, 2010. He hosted his last episode of his second tenure on February 6, 2014. That year, he was inducted into the Television Hall of Fame. From 2014 to 2022, he has hosted Jay Leno's Garage, and since 2021, has hosted the revival of You Bet Your Life.