He received his B.A. and M.S. from the University of Wisconsin-Milwaukee, his Ph.D. from the University of Nevada, Reno, and completed his clinical internship in the CBT track at the University of British Columbia. His research spans a variety of areas including the treatment of obsessive compulsive disorder and OC-spectrum disorders, substance use, mechanisms of action, and multicultural issues. He has published over 50 scholarly works including two books: An ACT-Enhanced Behavior Therapy approach to the Treatment of Trichotillomania (with Woods) and ACT Verbatim for Depression and Anxiety (with Hayes). His research is funded through multiple sources including the NIMH.