Organizational Background The Association for the Treatment and Prevention of Sexual Abuse, also known as the Association for the Treatment of Sexual Abusers (www.atsa.com) is a global-reach nonprofit with a mission to prevent sexual abuse through effective assessment, evidence-based treatment, and management of individuals at risk to sexually abuse. ATSA utilizes sound research, education, and informed public policy to accomplish its goals and mission. ATSA is an international, multi-disciplinary organization dedicated to making society safer by preventing sexual abuse.   ATSA was organized by a group of Oregon-based clinicians and researchers in the early 1980’s who began meeting together