Robyn D. Walser, Ph.D. is Director of TL Consultation Services and Co-director of Bay Area Trauma Recovery Services, Assistant Professor at the University of California, Berkeley, and works at the National Center for PTSD. 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 authored/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, and substance abuse 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. Her workshops feature a combination of lecture and experiential exercises designed to provide a unique learning opportunity in this state-of-the-art intervention.