Karl is a leading expert in risk assessment and treatment for individuals with a history of sexual offending. He has significantly contributed to the development of actuarial risk assessment tools, including Static-99R, Static-2002R, STABLE-2007, and ACUTE-2007, which are widely used in forensic settings worldwide.
Karl has published over 175 research articles, including influential reviews on sexual recidivism and the effectiveness of treatment for sexual offenders. His research has been instrumental in shaping evidence-based practices in assessing and managing sexual offenders and high-risk individuals.
In 2002, Karl was invited to the Vatican to discuss the prevention of sexual abuse by priests and religious personnel, highlighting his role as a leading authority on offender risk management.
Karl is currently the President of the Society for the Advancement of Actuarial Risk Need Assessment (SAARNA), an organisation promoting the use of actuarial risk assessment tools in forensic settings.
His extensive work has earned him numerous accolades, including career contribution awards from the Association for the Treatment of Sexual Abusers, Public Safety Canada, and the International Association for the Treatment of Sexual Offenders.
Dr. Hanson’s expertise continues to influence policies and practices related to the assessment, treatment, and prevention of sexual offending, making him a key figure in safeguarding research and risk assessment.
