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  • Thomas Byrne, PhD
    Thomas Byrne, PhD, is associate professor of psychology at Massachusetts College of Liberal Arts in North Adams, MA.
  • Steven C. Hayes, PhD
    Steven C. Hayes, PhD, is Nevada Foundation Professor in the department of psychology at the University of Nevada, Reno. An author of forty-one books and more than 575 scientific articles, he has... Read more
  • John H. O'Neal, MD
    John H. O’Neal, MD, is a board-certified psychiatrist who has been in private practice since 1977. He is past chief of the department of psychiatry at Sutter Community Hospital in Sacramento, CA. He... Read more
  • John D. Preston, PsyD, ABPP
    John D. Preston, PsyD, ABPP, is a licensed psychologist and author or coauthor of twenty books. He is professor emeritus of psychology at Alliant International University, and has also served on the... Read more