Kevin L. Polk |

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Kevin L. Polk, PhD, is a clinical psychologist who has been a practicing for twenty-six years, primarily helping veterans and others with troubling trauma memories. For the past eleven years, he has dedicated himself to the study of acceptance and commitment therapy (ACT)—spending close to 27,000 hours studying the philosophy and theory behind ACT, and learning and designing ACT interventions. He is passionate about teaching others how to use the ACT Matrix to increase psychological flexibility and valued living. Find out more at

Books by Kevin L. Polk

The Essential Guide to the ACT Matrix
Kevin L. Polk, Benjamin Schoendorff, Mark Webster and Fabian O. Olaz
Your rating: None (54 votes)
The ACT Matrix revolutionized contextual behavioral science. Now, the creators of this pioneering new model present the first detailed, step-by-step guide to help professionals implement the ACT... Read More
The ACT Matrix
Edited by Kevin L. Polk and Benjamin Schoendorff
Foreword by Kelly G. Wilson
Your rating: None (75 votes)
If you are an ACT practitioner or mental health professional, this eagerly awaited resource is an essential addition to your professional library. Acceptance and commitment therapy (ACT) is an... Read More