resulted in transforming how ABA is perceived in schools — through demonstrating systems-level success. Ronnie Detrich has been providing behavior analytic services for over 50 years. His work can be characterized as thorough-going behavior analysis drawing from the conceptual, experimental, and applied branches of our discipline.

From 1970-1977, he worked at a pioneering Family Service Agency in Flint, Michigan, providing behavior analytic services for anyone requesting help. Later, he developed and was the director of a state-wide educational and residential program for school-aged children with autism in South Dakota. In the 1980s, Ronnie was the director of a residential program based on the Teaching Family Model for adjudicated juvenile offenders in West Virginia.

From 1986-2004, he was the clinical director for a large non-public school in the San Francisco Bay Area serving children with intellectual disabilities and serious behavior challenges. In addition, he also co-directed a public-school consultation project supporting students with academic and behavioral challenges.

From 2004-2018, Ronnie was a Senior Fellow at the Wing Institute, an education policy think tank that focuses on the implementation of evidence-based practices in public schools. Currently, he is the proprietor of Detrich and Associates, a consulting project based in Logan, Utah. He also holds an appointment as adjunct faculty at Utah State University.