| Name | Affiliation | Occupation / Position Title | City | Country | State | |
|---|
| Ossman, Wendy | Rhode Island Cognitive Behavioral Therapy (RICBT) | Clinical Psychologist | North Kingstown | United States | Rhode Island | View |
| Ossorio, Aladdin | Pathways Forward, LLC; Prosper Health | Psychologist | Boston | United States | Massachusetts | View |
| Ostacher, Laurie | Stanford Healthcare | Clinical social worker/therapist, Oncology | Stanford | United States | California | View |
| Ostrow, Ellen | Lawyers Life Coach LLC | Psychologist/Executive Coach | Rockville | United States | Maryland | View |
| Ostrowska, Barbara | University of Social Sciences and Humanities in Poznań | Psychologist | Zbaszyn | Poland | wielkopolskie | View |
| Oswald, Gregory | Plainfield Counseling Center | Clinical Psychologist / President | Plainfield | United States | Illinois | View |
| Othman, Sharudin | The Association for Psychological Therapies | SEN Officer | Singapore | Singapore | | View |
| Ottati, Alicia | Ottati Psychotherapy LLC | Clinical Psychologist | Vandalia | United States | Ohio | View |
| Otto, Lynn | Newberg Counseling and Wellness | professional counselor associate | 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 |
| Oya, Aiko | Doshisha University | Assistant Professor, Clinical Psychologist | Kyotanabe | Japan | Kyoto | View |
| Oyarzún, Bryan | Práctica privada | Psicólogo | La Ligua | Chile | Valparaiso | View |
| ozer, vuslat | başakşehir çam ve sakura şehir hastanesi | resident | istanbul | Turkey | Istanbul | View |
| OZERMAN, MELİSA | ACT Turkey/ Bilgen Terapi | psychologist | Beşiktaş | Turkey | Istanbul | View |
| Oznur, Taner | HEALTH SCIENCES UNIVERSITY, GULHANE MEDICAL FACULTY | MD. | ANKARA | Turkey | | View |
| Paci, Melanie | In private practice | Clinical Psychologist | Sleepy Hollow | United States | New York | View |
| Padin, Lorena | Siembra Psicologia | Licenciada en Psicologia | Capilla del Monte | Argentina | Cordoba | View |
| Pagano, Louis | DoD & VA | Psychologist | sartell | United States | Minnesota | View |
| Paggeot, Amy | Amy Paggeot, PhD, PLLC | Psychologist | Ann Arbor | United States | Michigan | View |
| Paiva, Debora | PRIVATE PRACTICE | Psychologist | Belo Horizonte | Brazil | Minas Gerais | View |
| Paixao De Almeida, Jacqueline | Rio de Janeiro, consultorio particular | Psicóloga | Rio de Janeiro | Brazil | Rio de Janeiro | View |
| PAJARO GALICIA, DULCE | Centro de Atención Psicológica Conductual Contextual | PSICOLOGA ESPECIALISTA | ESTADO DE MEXICO | Mexico | Mexico | View |
| Palacio, Inés | Universidad Nacional de Córdoba | Psychologist | Alta Gracia | Argentina | Cordoba | View |
| Palisse, Julie | Grenoble | psychologist | Grenoble | France | | View |
| Palm Reed, Kathleen | Clark University | Associate Professor | Worcester | United States | Massachusetts | View |
| Palma, Francisco | Centro Integral de Salud Mental Argentina | Psiquiatra | Buenos Aires | Argentina | Buenos Aires | View |
| Palmeira, Lara | Universidade Portucalense | Associate Professor | Porto | Portugal | Porto | View |
| Palmer, Claire | Arrive Counseling | Psychotherapist | Austin | United States | Texas | View |
| palmer, kathryn | Activate Psychotherapy | Registered Psychotherapist | Ottawa | Canada | Ontario | 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 |
| Pană, Alexandru | University of Bucharest | PhD Student | Bucharest | Romania | Bucuresti | View |
| Panagiotopoulou, Aggeliki | Psychotherapy | Psychologist | ATHENS | Greece | Attiki | View |
| Panas, Natalia | Uniwersytet Warszawski | psychotherapist | Warszawa | Poland | mazowieckie | 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 | Student | Naguanagua | Venezuela | Carabobo | View |
| Paolini, Sandra | CAMFT | Psychotherapist | Walnut Creek | United States | California | 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 |
| Papanikolopoulos, Penny | TACT HELLAS 996789820 DOY IZ Athinon | Clinical Director | Athens | Greece | Attiki | View |
| Parada, Fernando | Universidad de Chile | Researcher | Santiago | Chile | Santiago Metropolitan | View |
| Paredes, Alvaro | National University of San Marcos | Trauma informed Contextual Therapist | Lima | Peru | Lima | View |
| Parish, Michael | APA | Florida Licensed Clinical Psychologist | Fort Lauderdale | United States | Florida | View |