| Name | Affiliation | Occupation / Position Title | City | Country | State | |
|---|
| Ostacher, Laurie | Stanford Healthcare | Clinical social worker/therapist, Oncology | Stanford | United States | California | View |
| Ostergaard, Tom | Hospital of Southern Norway | Psychologist, Ph.D | Arendal | Norway | Aust-Agder | View |
| Ostrow, Ellen | Lawyers Life Coach LLC | Psychologist/Executive Coach | Chevy Chase | United States | Maryland | View |
| Ostrowska, Barbara | Akademia ACT | Psychologist | Zbaszyn | Poland | wielkopolskie | View |
| Ottinger, Eric | LCMHC, LCAS | Therapist/ Trainer | Charlotte | United States | North Carolina | View |
| Otto, Lynn | GroundShift Counseling | licensed professional counselor | Newberg | United States | Oregon | View |
| Otto, Patrick | private practice in psychotherapy | Psychologist / Psychotherapist | Münster | Germany | Nordrhein-Westfalen | View |
| Oules, Crissy | NYC Health and Hospitals Corp. | LMSW | Brooklyn | United States | New York | View |
| Ovadia, Veronica | ITA | MSW - CBT therapist | Shoham | Israel | HaMerkaz | View |
| Owen, Ray | Dr Ray Owen, Psychology Services | Consultant Clinical Psychologist (Cancer & Palliative Care / Health Psychology) | Newent | United Kingdom | Gloucestershire | View |
| oyola, Julieta | Clínica privada | Licenciada en psicología | cordoba | Argentina | Cordoba | View |
| Ozbek, Selen | Valued Wellbeing | Psychologist | London | United Kingdom | London | View |
| Özden, Mustafa Şahin | Istanbul Esenyurt University | Assistant Professor | Istanbul | Turkey | | View |
| OZERMAN, MELİSA | ACT Turkey/ Bilgen Terapi | psychologist | Beşiktaş | Turkey | Istanbul | View |
| Pabon, Novee Mae | Room Nineteen Psychological Services | Psychologist | General Santos City | Philippines | South Cotabato | View |
| Pacheco Avila, Carla | REGAR | Directora | Buenos Aires | Argentina | Buenos Aires | View |
| PACHECO GOMIDE, CIBELE | Instituto Par - Centro de Ciências e Tecnologia do Comportamento | Psychologist | São Paulo | Brazil | Sao Paulo | View |
| Pacheco, Giovana | Private | Psychologist | Pato Branco | Brazil | Parana | View |
| Pachón-Basallo, Mónica | University of Navarra | Assistant Professor (Ph.D.) | Pamplona | Spain | | View |
| Paci, Melanie | In private practice | Clinical Psychologist | Sleepy Hollow | United States | New York | View |
| Padgett, Julian | Circle Creek Therapy | Behavioral Health Therapist | Auburn | United States | Washington | View |
| Pagano, Louis | DoD & VA | Psychologist | sartell | United States | Minnesota | View |
| Page, Cheyne | Transformational Therapy Services | LPCC, LADC | Rockford | United States | Minnesota | View |
| Paggeot, Amy | Willowstone Psychological Services | Psychologist | Ann Arbor | United States | Michigan | View |
| Pagliero, Maria del Huerto | Autonomus | Psychologist | Krattigen | Switzerland | Bern | View |
| PAJARO GALICIA, DULCE | Centro de Atención Psicológica Conductual Contextual | PSICOLOGA ESPECIALISTA | ESTADO DE MEXICO | Mexico | Mexico | View |
| Palacio Carranza, Inés | Universidad Nacional de Córdoba | Psychologist | Alta Gracia | Argentina | Cordoba | View |
| Palacios Mata, Diana | NA | Psychologist | Ciudad de méxico | Mexico | | View |
| Palafox Nicolás, Carlos | ISSSTE | Psicólogo clínico | méxico | Mexico | Mexico | View |
| Pallotta, Marta | Private Practice | Psychologist | Roma | Italy | Roma | View |
| Palm Reed, Kathleen | Clark University | Associate Professor | Worcester | United States | Massachusetts | View |
| Palmeira, Lara | Universidade Portucalense | Associate Professor | Porto | Portugal | Porto | View |
| Palmer, Claire | Arrive Counseling, PLLC | Psychotherapist | Austin | United States | Texas | View |
| Palmer, Katie | BACB | BCBA | Palm Desert | United States | California | View |
| Palmisano, Barbara | Palmisano Psychological Services | Clinical Psychologist | Hillarys | Australia | Western Australia | View |
| Paloscia, Claudio | ASL ROMA 1, School of Psychotherapy ANSvi, Università LA Sapienza, Roma | Child Psychiatrist and Psychotherapist | Rome | Italy | Roma | View |
| Pan-Weisz, Tonya | Turning Toward Therapy | Licensed Clinical Psychologist | Temecula | United States | California | View |
| Panagiotopoulou, Aggeliki | Psychotherapy | Psychologist | ATHENS | Greece | Attiki | View |
| Pang, Xiran | The First Affiliated Hospital of Jinan University | Psychotherapist | Guangzhou | China | Guangdong | View |
| Paniagua Serrano, Gustavo | Universidad Centroamericana José Simeón Cañas | Clinical Psychologist | Antiguo Cuscatlán | El Salvador | La Libertad | View |
| Pannace, Domenica | Private Practice | psychologist - psychoterapist | SAN GREGORIO D'IPPONA | Italy | Vibo Valentia | View |
| Pantoja, Ricardo | Universidad Arturo Michelena | Psychologist | Naguanagua | Venezuela | Carabobo | View |
| Paolini, Sandra | CAMFT | Psychotherapist | Livingston | United States | Texas | View |
| Paone Hettrick, Debra | Rutgers University | Licensed Psychologist/Behavior Analyst | New Brunswick | United States | | View |
| Papadopoulos, Yiota | Self-employed private practice | Psychologist | New York | United States | New York | View |
| Papalekas, Christos | HCPC (UK) & BABCP& EMDR ASSOCIATION | Counselling Psychologist | London | United Kingdom | London | View |
| Paraschiv, Irina | ACBS Romania | Psychotherapist | Bucuresti | Romania | | View |
| Parish, Michael | APA | Florida Licensed Clinical Psychologist | Fort Lauderdale | United States | Florida | View |
| park, kristy | George Mason University | Associate Professor | Fairfax | United States | United States Minor Outlying Islands | View |
| Parker, Chauncey | Private Psychology Practice | Clinical Psychologist | Reno | United States | Nevada | View |