He has worked with young people who have displayed harmful sexual behaviour for over 20 years. He is currently chair of the National Organisation for the Treatment of Abuse (NOTA) in the UK and Ireland and was formerly chair of NOTA Scotland.

He is a visiting researcher at Strathclyde University, an associate at the Centre for Youth and Criminal Justice and a trustee at White Ribbon Scotland. He is co-author of ‘Working with Children and Young People Who Have Displayed Harmful Sexual Behaviour’ (Dunedin Press, 2018) as well as several peer-reviewed papers and book chapters on child sexual abuse and sexual offending.

He was a member of the Scottish government’s expert working group on preventing sexual offending amongst children and young people.