JoAnne Dahl, PhD, is professor of psychology at Uppsala University, Sweden. She is coauthor of Living Beyond Your Pain, The Art and Science of Valuing in Psychotherapy, and Acceptance and Commitment Therapy for Chronic Pain. Dahl hosts a weekly radio program on ACT, and specializes in creating ACT applications for chronic illness, as well as those suffering in the developing countries.
Ian Stewart, PhD, is a faculty member in the school of psychology at the National University of Ireland, Galway, and coauthor of The Art and Science of Valuing in Psychotherapy.
Christopher Martell, PhD, is clinical associate professor of psychology at the University of Wisconsin-Milwaukee and a clinical research consultant. He is coauthor of Overcoming Depression One Step at a Time.
Jonathan S. Kaplan, PhD, is a clinical psychologist, adjunct professor, and author of Urban Mindfulness: Cultivating Peace, Purpose, and Presence in the Middle of It All. He has been incorporating mindfulness and meditation into psychotherapy for the past fifteen years. His work has been featured in O, The Oprah Magazine, as well as on the BBC News, MSNBC, and on radio and TV stations across the United States. He maintains a private practice in New York City.
Foreword writer Robyn D. Walser, PhD, is the assistant director at the National Center for PTSD at the Veterans Affairs Palo Alto Health Care System. She also works as a consultant, workshop presenter, and therapist in her private business, TLConsultation Services. She has facilitated ACT training workshops across the world since 1998.