Kirk Strosahl, PhD, is a cofounder of acceptance and commitment therapy (ACT), a cognitive behavioral therapy that has gained widespread adoption in the mental health and substance abuse community. He is the author of numerous articles about primary care behavioral health integration, using outcome assessment to guide practice and strategies for working with challenging, high-risk, and suicidal clients. Along with Patricia Robinson, he coauthored the highly praised self-help book, The Mindfulness and Acceptance Workbook for Depression. Strosahl currently works as a primary care psychologist at Central Washington Family Medicine, a community health center providing health care to a large medically underserved population. He is well-known nationally for his innovative approach to the integration of behavioral health and primary care services. Strosahl lives in Zillah, WA.

Patricia Robinson, PhD, is a director of clinical services at Mountainview Consulting Group, Inc., a firm specializing in providing consultation for health care systems seeking to integrate behavioral health services into primary care settings. She was a member of a pioneering research team that explored primary care-based behavioral health care in the 1990s. She then moved on to refine the primary care behavioral health model and apply it to delivery of health care services to underserved people in rural America, including migrant farm workers and members of the Yakima Nation. Robinson has consulted with numerous public and private health and mental health care systems, including the United States Air Force and the San Francisco Department of Public Health. She is the author of numerous articles, book chapters, and six books, including Real Behavior Change in Primary Care, and is coauthor of The Mindfulness and Acceptance Workbook for Depression.

Thomas Gustavsson, MSc, is a licensed psychologist and one of the founders of Psykologpartners, a company providing psychology and psychiatry services in Scandinavia. He has worked as a consultant for several community-based services, social workers, treatment centers, schools, and primary care clinics. In addition, he is one of the pioneers in building an integrated, evidence-based psychiatry program within a large primary care system in Helsingborg, Sweden. Gustavsson resides in Rydeback, Sweden.