Ryan Seacrest is a television host and producer.
Ryan John Seacrest ( born December 24 , 1974 ) is an American radio personality , television host and producer . He is best known for hosting the talent competition show American Idol , as well as the syndicated countdown program American Top 40 and the KIIS-FM morning radio show On Air with Ryan Seacrest . Seacrest began co-hosting Live with Kelly and Ryan on a permanent basis May 1 , 2017 .