Dr. Patricia Robinson, PhD, is currently the Director of Training and Program Evaluation for Mountainview Consulting Group, and winner of the APA Presidential Innovative Practice Award (2009). She is the co-founder of the Primary Care Behavioral Health model and Focused Acceptance and Commitment Therapy. She provides consultation and training services internationally and is committed to improving access to healthcare services and to realization of health equity. Earlier in her career, she worked as a researcher and clinician for Group Health Cooperative in Seattle, WA and as a Behavioral Health Consultant for Yakima Valley Farm Workers Clinic in Toppenish, WA. She has authored many articles, book chapters and books. With Jeff Reiter, she is now writing the 3rd Edition of Behavioral Consultation and Primary Care: A Guide to Integrating Services.

Dr. Robyn D. Walser, Ph.D. is Director of TL Consultation Services and and works at the National Center for PTSD. She is the Co-Director of Bay Area Trauma Recovery Clinical Services and is an Assistant Professor at the University of California, Berkeley. As a licensed psychologist, she maintains an international training, consulting, and therapy practice. Dr. Walser is an expert in Acceptance and Commitment Therapy (ACT) and has co-authored 7 books on ACT including a book on learning ACT. She has most recently written a book entitled: The Heart of ACT- Developing a Flexible, Process-based, and Client-centered Practice Using Acceptance and Commitment Therapy. Dr. Walser has expertise in traumatic stress, depression, moral injury, and suicide; and has authored a number of articles, chapters, and books on these topics. She has been doing ACT workshops since 1997; training in multiple formats and for multiple client problems. Dr. Walser's workshops feature a combination of didactic and experiential exercises designed to provide a unique learning opportunity in this state-of-the-art intervention.

Dr. Kirk Strosahl is a co-founder of Acceptance and Commitment Therapy and has long been a chief proponent of using ACT as a brief intervention. He has co-authored professional books on brief applications of ACT, including Brief Interventions for Radical Change: Principles and Practice of Focused Acceptance and Commitment Therapy (Robinson & Gustavsson, co-authors, 2012, New Harbinger Publications), and Inside This Moment: Promoting Radical Change in Acceptance and Commitment Therapy (Robinson & Gustavsson, co-authors, 2015, New Harbinger Publications). He has also co-authored best-selling ACT self-help books, including The Mindfulness and Acceptance Workbook for Depression, 2nd Edition (Robinson, co-author, 2018, New Harbinger Publications). Along with five psychiatrists from around the world, he recently published a book on ACT for psychiatric practitioners, Learning Acceptance and Commitment Therapy: The Essential Guide to the Process and Practice of Mindful Psychiatry (Goubert, Torneke, Purrsey, Loftus & Roberts, co-authors, 2020, American Psychiatric Publishing). Dr. Strosahl has conducted numerous training workshops on ACT around the world. Because his approach to teaching is so clinician-oriented, accessible and practical, Dr. Strosahl has been referred to as the “hands of ACT”.

Dr. Joseph Ciarrochi, PhD, has focused his research career on identifying the key determinants of well-being, for a particular individual, in a particular context. He was fortunate to be present at the beginning of rapid growth in Contextual Behavioral Science (CBS) and Acceptance and Commitment Therapy since 2002, research areas and approaches that focus on personalised and process-based approaches to interventions. He has been elected president of the Association for Contextual Behavioral Science for both the national Australian chapter and the international chapter. He was also the founding editor of the Journal for Contextual Behavioral Science. His role in CBS has kept him at the center of innovations in personalised and contextual interventions. His Google Scholar H-index is 79 overall and 60 based on articles since 2018.