| Name | Affiliation | Occupation / Position Title | City | Country | State | |
|---|
| A-Tjak, Jacqueline | PsyQ | Klinisch Psychologe | Zaandam | Netherlands | | View |
| Atkins, Paul | Institute for Positive Psychology and Education, ACU | Senior Research Fellow | Strathfield | Australia | New South Wales | View |
| Bach, Patricia | Carter Psychology Center | Psychologist | Bradenton | United States | Florida | View |
| Barnes-Holmes, Yvonne | Ghent University | Associate Professor in Behaviour Analysis | Ghent | Belgium | Oost-Vlaanderen | View |
| Batten, Sonja | Booz Allen Hamilton | Senior Associate | Washington | United States | District of Columbia | View |
| Bennett, Richard | University of Birmingham / Think Psychology Ltd | Senior Lecturer / Clinical Psychologist | Birmingham | United Kingdom | West Midlands | View |
| Blackledge, John | Morehead State University | Associate Professor, Dept of Psychology | Morehead | United States | Kentucky | View |
| Boehling, Max | Center for Funktionel Psykologi | Psychologist, PhD | Copenhagen / København | Denmark | Copenhagen City | View |
| Bond, Frank | Goldsmiths, University of London | Professor | London | United Kingdom | London | View |
| Boone, Matthew | Lyra Health | Social Worker | Little Rock | United States | Arkansas | View |
| Brock, Martin | Counselling and Therapeutic Practice | Senior Lecturer | | United Kingdom | | View |
| Burian, Ronald | general hospital "KEH" berlin | Senior consultant | Berlin | Germany | Berlin | View |
| Ciarrochi, Joseph | Institute of Positive Psychology and Education, Australian Catholic University | Professor | Wollongong | Australia | New South Wales | View |
| Coyne, Lisa | Harvard University Medical School/McLean | Associate Professor | Middleborough | United States | Massachusetts | View |
| Curtin, Aisling | ACT Now Purposeful Living | Counselling Psychologist | Dublin 7 | Ireland | Dublin | View |
| Dahl, JoAnne | Department of Psychology, Uppsala University | Professor | Uppsala | Sweden | Uppsala lan | View |
| Dionne, Frédérick | Université du Québec à Trois-Rivières | Psychologist, Assistant Professor | Trois-Rivieres | Canada | Quebec | View |
| Ebert, Beate | Private Praxis | Dipl.-Psych. | Aschaffenburg | Germany | Bayern | View |
| Eifert, Georg | Chapman University | Emeritus Professor of Psychology | Port Angeles | United States | Washington | View |
| Follette, Victoria | Florida Institute of Technology | Professor | Melbourne | United States | Florida | View |
| Forsyth, John | University at Albany, SUNY | Professor of Psychology | Albany | United States | New York | View |
| Georgescu, Sandra | | Clinical Psychologist/ Trainer | Reno | United States | Nevada | View |
| Gillanders, David | University of Edinburgh | Academic Director | | United Kingdom | Edinburgh, City of | View |
| Gordon, Timothy | Independent Practice | Attachment & Trauma Specialist | Hamilton | Canada | Ontario | View |
| Greco, Laurie | Cincinnati VA Medical Center | Director of Pain Management Services | Cincinnati | United States | Ohio | View |
| Gregg, Jennifer | San Jose State University | Associate Professor | San Jose | United States | California | View |
| Harris, Russell | | Medical Practitioner, Psychotherapist | Melbourne | Australia | Victoria | View |
| Hart, Mitch | | Clinical Psychologist. mob 0405007002 | Perth | Australia | Western Australia | View |
| Hayes, Louise | University of melbourne | Clinical Psychologist and Lecturer | Bacchus Marsh | Australia | Victoria | View |
| Hayes, Steven | University of Nevada | Professor | Reno | United States | Nevada | View |
| Hecksher, Morten | Kognitivgruppen | Psychologist, Peer Reviewed ACT Trainer | Aarhus | Denmark | | View |
| Karekla, Maria | University of Cyprus and Center for Cognitive Behavioral Psychology, Nicosia, Cyprus | Assistant Professor and Licensed Clinical Psychologist | Nicosia | Cyprus | Ammochostos Magusa | View |
| Kjelgaard, Rikke | ACT Danmark & Human ACT Sweden | CEO | Copenhagen | Denmark | | View |
| Kohlenberg, Barbara | University of Nevada School of Medicine | Clinical Psychologist | Reno | United States | Nevada | View |
| Lasprugato, Lou | Kaiser Permanente | Psychotherapist, ACT Trainer | Davis | United States | California | View |
| LeJeune, Jenna | Portland Psychotherapy Clinic, Research, & Training Center | Licensed Psychologist, Director of Clinical Training | Portland | United States | Oregon | View |
| Lillis, Jason | Brown Alpert Medical School | Assistant Professor (Research) | Providence | United States | Rhode Island | View |
| Livheim, Fredrik | Karolinska Institute, Stockholm. Department of clinical neuroscience | Clinical psychologist | Stockholm | Sweden | Stockholms lan | View |
| Luciano, Carmen | University Almería, Spain / Madrid Institute of Contextual Psychology (MICPSY) | Professor of Psychology / Technical Counselor | Almería | Spain | Almería | View |
| Luoma, Jason | Portland Psychotherapy Clinc, Research, & Training Center, PC | Dr | Portland | United States | Oregon | View |
| Malicki, Stanislaw | Akershus University Hospital, Division Psychiatry, Norway | Licensed specialist in clinical psychology (psykologspesialist) | Hvam | Norway | Akershus | View |
| Masuda, Akihiko | University of Hawaii at Manoa | Assistant Professor, Department of Psychology (Clinical) | Honolulu | United States | Hawaii | View |
| McCutcheon, Kevan | Private Practice, Veterans Affairs Medical Center, Cleveland Ohio | Clinical Psychologist | Parma | United States | Ohio | View |
| McHugh, Louise | University College Dublin | Lecturer | Dublin | Ireland | | View |
| Merwin, Rhonda | Duke University Medical Center | Assistant Professor, Department of Psychiatry and Behavioral Sciences | Durham | United States | North Carolina | View |
| Miselli, Giovanni | Fonazione Istituto Ospedaliero Fondazione Sospiro (Cremona), ACT-Italia; IESCUM | PhD, Clinical Psychologist and Psychotherapist | Reggio Emilia | Italy | | View |
| Moran, Daniel | Pickslyde Consulting/ MidAmerican Psychological Institute | Founder/ Executive Director | Joliet | United States | Illinois | View |
| Murrell, Amy | University of North Texas | Associate Professor | Denton | United States | Texas | View |
| Nordstrand Jacobsen, Trym | St. Olavs hospital | Clinical consultant | Molde | Norway | Mire og Romsdal | View |
| O'Connell, Manuela | | psychologist | Buenos Aires | Argentina | | View |