Colin Kelly Jost is an American comedian, writer, and actor. He joined Saturday Night Live as a staff writer in 2005 and has maintained that role for nearly two decades. From 2012 to 2015, he served as one of the show's co-head writers before returning to the head writer position from 2017 to 2022, working alongside Michael Che during that later period. Jost became widely recognized as the co-anchor of Weekend Update, SNL's satirical news segment, a position he has held since 2014. Through his work on the show, he has contributed to the writing and performance of comedy sketches and news commentary that reaches millions of viewers.