Darren Guthrie started out in television as a runner at Carnival Films and had an original series Bump optioned by them in 2002. Since then, he has worked on a number of long running shows, including script editing for Channel 5's Family Affairs, and script editing and storylining Holby City. During this time he completed the BBC Script Editing course and the BBC Advanced Storylining course. He now writes for Holby City on a regular basis, contributing episodes for the last three series.