David Russell (Author)
David Russell has extensive experience specialising in work with children and young people with harmful sexual behaviour and / or who have experienced sexual abuse or exploitation. He currently sits on the NOTA (National Organisation for the Treatment of Abuse) Scotland Executive Committee, supporting professionals responding to sexual harm.

Dr Sophie King-Hill (Author)
Dr Sophie King-Hill is an Associate Professor at the University of Birmingham's Health Services Management Centre. She is also Head of Equity, Diversity and Belonging for the School of Social Policy and Society. She specialises in sexual behaviours and assessment in children and young people, sibling sexual behaviour and abuse, masculinities and relationships and sex education. Her cross sector work emphasises youth voice, co-design approaches and the translation of research into practice and policy. She is based in Birmingham, England.

Stuart Allardyce (Author)
Stuart Allardyce is Director of the Lucy Faithfull Foundation, leading Stop It Now services in Scotland. He has worked in the child sexual abuse field as a social worker for over 20 years and is chair of NOTA UK and Ireland. He is also co-author of Working with Children and Young People Who Have Displayed Harmful Sexual Behaviour (2018). He is based in Edinburgh, Scotland.

Professor Clare Allely (Author)
Clare Allely is a Professor of Forensic Psychology at the University of Salford and affiliate member of the Gillberg Neuropsychiatry Centre, Sweden. She is widely published on autism and criminal justice, acts as an expert witness in criminal courts predominantly in the United Kingdom, and consults for the Irish Prison Service on autism-related cases.