Kevin L PolkKevin 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 acceptanceand 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 www.drkevinpolk.com. Read More Read Less