Gavin is a creator/writer/show runner and executive producer of many NZ and international shows.Most recently he wrote Testify, a five-part series for Warner Bros NZ. He wrote Black Hands, a true-life drama, also for Warner Bros NZ. He was co-creator of Bad Mothers for Channel 9 Australia and was co-creator and show runner of Hyde & Seek, an eight-part thriller that also screened on Channel 9. Gavin was co-creator and writer on two seasons of Filthy Rich (winner of best drama at the 2019 Seoul International Drama Awards) for Filthy Productions. He wrote the historical telemoviesWhat Really Happened - Votes For Womenand What Really Happened - Waitangi. Gavin co-created the hit television showsGo Girls and Nothing Trivial (for which he won best script at the New York Film and Television Awards) and was show runner and writer of the critically acclaimed mystery thrillerThis Is Not My Life.