Colin Kelly Jost (/ˈdʒoʊst/; born June 29, 1982) is an American comedian, actor, and writer. He has been a writer for Saturday Night Live (SNL) since 2005 and Weekend Update co-anchor since 2014. He also served as one of the show's co-head writers from 2012 to 2015 and later came back as one of the show's head writers in 2017 until 2022 alongside Michael Che.