Lydia Guthrie has a long track record of work in the criminal justice and voluntary sectors, working with adults with disabilities and socially excluded young people. After qualifying as a social worker, she worked for the Probation Service from 1998–2009 as a probation officer, group facilitator and senior probation officer. She is Co-Director with Clark Baim of Change Point Ltd., where she works as an independent trainer and consultant specialising in areas of sexual offending and domestic abuse. She also worked for 4 years as a Co-Lead National Trainer for the Sexual Offending Groupwork Programmes run by the National Probation Service.