Colin Kelly Jost is an American comedian, writer, and actor. He has been a staff writer for the NBC sketch comedy series Saturday Night Live since 2005, and co-anchor of Weekend Update 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 from 2017 to 2022 alongside Michael Che. Featured, March 2014 – October 2015. Repertory, October 2015 – today. Wiki link