Robyn D. Walser, Ph.D. is Director of TL Consultation Services, staff at the National Center for PTSD and is Associate Clinical Professor at University of California, Berkeley. As a licensed clinical 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 4 books on ACT including Learning ACT, The Mindful Couple, Acceptance and Commitment Therapy for the Treatment of Posttramatic Stress disorder and ACT for Clergy and Pastoral Counselors: Using Acceptance and Commitment Therapy to Bridge Psychological and Spiritual Care. She also has expertise in traumatic stress and substance abuse and has authored a number of articles, chapters and books on these topics. She has been doing ACT workshops since 1998; training in multiple formats and for multiple client problems. Dr. Walser is invested in developing innovative ways to translate science-into-practice and continues to do research and education on dissemination of ACT and other therapies. She has had a number of leadership roles in international and national organizations and she served as Member At Large and President for the Association for Contextual and Behavioral Science, the main association that houses ACT.