 With his career in Australia limited by injury, Drinnen played a number of seasons as a professional for Forfarshire in the Scottish National Cricket League (SNCL), and later coached the team.In December 2003, he was appointed technical director of the Scottish Cricket Union (SCU), the governing body of the sport in Scotland.Drinnen served in this position until January 2006, when he succeeded Andy Moles as coach of the Scottish national side.