Ryan Seacrest is an American television host, radio personality, producer, and entrepreneur. He is best known for hosting the popular singing competition show American Idol, as well as the syndicated countdown program American Top 40. He also hosts the morning radio show On Air with Ryan Seacrest on KIIS-FM in Los Angeles. Seacrest has been a staple of the entertainment industry for over two decades and is one of the most recognizable faces in television.