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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.
  • Alison Del Vento, RNC
  • Charma Dudley
    Charma D. Dudley, PhD, is a licensed psychologist in private practice and clinical director of Allegheny Children's Initiative, a community-based mental-health program in Pittsburgh, PA.
  • Albert Ellis, PhD
    Dr. Albert Ellis (1913-2007) was the author of more than 65 books on psychotherapy, relationship therapy, and self-help, including Feeling Better, Getting Better, Staying Better; Rational Emotive... Read more
  • Rochelle I. Frank, PhD
    Rochelle I. Frank, PhD, is a clinical psychologist in Oakland, CA, where she maintains a private practice providing psychotherapy, professional consultation, supervision, and training workshops. She... Read more
  • Louise L. Hayes, PhD
    Louise L. Hayes, PhD, is an international ACT trainer and speaker; she is also a clinical psychologist, and researcher with the University of Melbourne and Orygen, The National Centre of Excellence... Read more
  • 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
  • Lynne Henderson, PhD
    Lynne Henderson, PhD, is a psychologist; founder of the Social Fitness Center; founder and codirector of the Shyness Institute in Berkeley, CA; director of applied social research at the Heroic... Read more
  • Edward S. Kubany, PhD, ABPP
    Edward S. Kubany, PhD, was employed for fourteen years as a research clinical psychologist with the Department of Veterans Affairs, National Center for PTSD, in Honolulu, Hawaii. Since 1990, he has... Read more
  • Thomas R. Lynch, PhD, FBPsS
    Thomas R. Lynch, PhD, FBPsS, is professor emeritus of clinical psychology at the University of Southampton school of psychology. Previously, he was director of the Duke Cognitive-Behavioral Research... Read more
  • Anita Maximin
    Anita Maximin, PsyD is a health psychologist in private practice, staff psychologists at the Veterans Healthcare System of Ohio, and adjunct professors at Case Western Reserve University.
  • Lance McCracken, PhD
    Editor Lance M. McCracken, PhD, is a consultant, clinical psychologist, and clinical lead of the Centre for Pain Services at the Royal National Hospital for Rheumatic Diseases in Bath, UK. He is also... Read more
  • Bryan Midgley, PhD
    Bryan D. Midgley, PhD, is assistant professor in and chair of the Deparment of Behavioral Sciences at McPherson College in McPherson, KS.
  • William T. O'Donohue, PhD
    William T. O'Donohue, PhD, is Nicholas Cummings Professor of Organized Behavioral Healthcare Delivery, adjunct professor of philosophy, and adjunct professor of psychiatry at the University of Nevada... Read more
  • Jonas Ramnero, PhD
    Jonas Ramnerö, PhD, has worked as a licensed psychologist for 18 years. He earned license as a psychotherapist in 1995. He is currently assistant professor in the Department of Psychology at... Read more
  • Ruth Anne Rehfeldt, PhD
    Ruth Anne Rehfeldt, PhD, BCBA, is assistant professor in the Rehabilitation Institute of Southern Illinois University Carbondale. She holds doctoral and master's degrees in psychology from the... Read more
  • Kirk D. Strosahl, PhD
    Kirk D. Strosahl, PhD, is cofounder of acceptance and commitment therapy (ACT), a cognitive behavioral approach that has gained widespread adoption in the mental health and substance-abuse... Read more
  • Nick Turner, MSW
    Nick Turner, MSW, received his master of arts degree in social work from the University of Chicago's School of Social Service Administration. Turner is currently the clinical supervisor at Gateway... Read more
  • Katherine Nguyen Williams, PhD
    Katherine Nguyen Williams, PhD, is a licensed supervising psychologist, professor, and clinical faculty member in the department of psychiatry at the University of California, San Diego (UCSD). She... Read more