International Association for the Treatment of Sexual Offenders (IATSO)

Our next conference will be in Poznan, Poland

August 25th to August 28th, 2025

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IATSO was founded formally on March 24^th, 1998 in Caracas, Venezuela during the 5th International Conference on the Treatment of Sex Offenders. It is an international non-profit organization committed to the promotion of research of and treatment for sexual offenders throughout the world. 

Goals and Objectives

• The sponsorship of biennial International Conferences on the Treatment of Sexual Offenders for the dissemination of new research, treatment methods and to provide continuing education and networking opportunities
• The promotion of international, regional and local conferences on the Treatment of Sexual Offenders
• Updating the IATSO Standards of Care for the Treatment of Adult Sexual Offenders and the IATSO Standards of Care for the Treatment of Juvenile Sexual Offenders consistent with advances in knowledge of the treatment of sexual offenders
• Advocacy of humane, dignified, comprehensive, ethical and effective treatment of sexual offenders throughout the world