Andrew Christensen is a Distinguished Research Professor of Psychology at UCLA. With the late Neil Jacobson, he developed and researched Integrative Behavioral Couple Therapy (IBCT), a treatment adopted by the U.S. Department of Veterans Affairs as one of their evidence-based interventions and adapted into the online program for couples, OurRelationship.com. Brian D. Doss is Professor of Psychology at the University of Miami. He led the development of the online OurRelationship program for couples and demonstrated its effectiveness for thousands of couples nationwide. More recently he has explored the integration of the online program with in-person IBCT. Neil S. Jacobson, formerly Professor of Psychology at the University of Washington, was widely recognized as a consummate scientist-practitioner and as one of the leading experts in the theory and practice of behavior therapy.