Keith began writing comedy at university before performing sketches and stand-up at the Edinburgh Fringe. His first play Hostage won the 2010 ‘Harry Porter Prize’ for best new comedic play. He was one of the writers on the critically acclaimed comedy for Channel 4, Fresh Meat.
Keith was one of Broadcast Magazine's Hotshots 2011. He directed the sell out 2011 Cambridge Footlights tour of the UK and USA.
Keith's first series Siblings made by Bwark and starring Charlotte Ritchie and Tom Stourton aired on BBC3 in Summer 2014. He is currently writing the second series.