Porter began his career writing and performing on the HBO sketch comedy program, Mr. Show.
Porter won an Emmy in 2014 and 2015 for the Funny or Die series Between Two Ferns with Zach Galifianakis, which he co-created.
Porter has served as a co-executive producer and writer on FX's It's Always Sunny In Philadelphia, Married and Fox animated series Bordertown.
Porter has created pilots for Showtime, USA, Fox, NBC, Amazon Studios, Comedy Central, Warner Bros. Television and FX.
In 2007, Porter and Aukerman created and produced a sketch show pilot for Fox titled The Right Now!