Steven C. Hayes is Nevada Foundation Professor at the Department of Psychology at the University of Nevada, Reno. His chief research areas include human language and cognition and its application to various psychological difficulties. His bestselling book "Get Out of Your Mind and Into Your Life" rose to #20 on the Amazon.com list of all books in early 2006 and became the #1 self-help book in the US for a month. He was the first Secretary-Treasurer of the American Psychological Society (now known as the Association for Psychological Science), which he helped form. His other books include "The Happiness Trap: How to Stop Struggling and Start Living," co-written with Russ Harris and published in 2008.