Steven C. Hayes, PhD, is Nevada Foundation Professor in the department of psychology at the University of Nevada, Reno. He has been president of numerous professional organizations, is author of forty-five books and nearly 650 scientific articles, and is among the most cited living psychologists. He has shown in his research how language and thought leads to human suffering, and is originator and codeveloper of acceptance and commitment therapy (ACT): a powerful therapy method that is useful in a wide variety of areas; relational frame theory (RFT): an empirical program in language and cognition; and process-based therapy (with Stefan G. Hofmann).
Kirk D. Strosahl, PhD, is cofounder of acceptance and commitment therapy (ACT), a cognitive behavioral approach that has gained widespread adoption in the mental health and substance abuse communities. He is coauthor of Brief Interventions for Radical Change and In This Moment. Strosahl provides training and consultation services for Mountainview Consulting Group, Inc. He is a pioneer in the movement to bring behavioral health services into primary care.
Robyn D. Walser, PhD, is director of TL Consultation and Psychological Services, and codirector of Bay Area Trauma Recovery Clinical Services. She works at the National Center for PTSD, developing and disseminating innovative ways to translate science into practice; and serves as assistant clinical professor in the department of psychology at the University of California, Berkeley. As a licensed clinical psychologist, she maintains an international training, consulting, and therapy practice. Walser has authored and coauthored six books: The Heart of ACT, Learning ACT, The Mindful Couple, Acceptance and Commitment Therapy for the Treatment of Post-Traumatic Stress Disorder and Trauma-Related Problems, and ACT for Clergy and Pastoral Counselors.
