| Name | Affiliation | Occupation / Position Title | City | Country | State | |
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| Dampier, Tiffany | ACT Counseling Counseling and Support Services | Licensed Professional Counselor | Camp Hill | United States | Pennsylvania | View |
| Dan, Stephen | Family Connections and Learning Center | LAMFT | Scottsdale | United States | Arizona | View |
| Danda, Caroline | Caroline Danda PhD LLC | Licensed Psychologist | Prairie Village | United States | Kansas | View |
| Danforth, J. Kate | Contextual Behavior Consulting, LLC | BCBA | Cody | United States | Wyoming | View |
| Danielak, Paulina | Psycholog Paulina Danielak | Psychologist | Warszawa | Poland | mazowieckie | View |
| Danitz-Steinhardt, Sara | National Center for PTSD - VA Boston Healtcare System | Clinical Psychologist in Private Practice | South Hadley | United States | Massachusetts | View |
| Danley, Liesl | Germantown Behavioral Solutions | LPC-MHSP | Germantown | United States | Tennessee | View |
| Darby, Mick | Progress Psychology Limited | Chartered Psychologist | Littlehampton | United Kingdom | East Sussex | View |
| Darvishi, Liam | Behzai Clinic | psychologist | Kermanshah | Iran, Islamic Republic of | Kermanshah | View |
| Dashkova, Evgenia | Private Psychology Practice | Psychologist | Buenos Aires | Argentina | Capital federal | View |
| Dathe, Yvonne | DGKV | Psychologist, Psychotherapist (Heilpraktiker für Psychotherapie) | Pfronten | Germany | Bayern | View |
| Daughtrey Coffman, Tatiana | North Star Wellness | LCSW | Gilbert | United States | Arizona | View |
| Davidovitz, Adi | private practise | Physicaltherapist | Ramat gan | Israel | Tel-Aviv | View |
| Davidson, Jonathan | Pathways, Inc. | Crisis and Residential Recovery Unit Therapist | Ashland | United States | Kentucky | View |
| Davidson, Stephanie | Stephanie L. Davidson, Psy.D. | Psychologist | Agoura Hills | United States | California | View |
| Davies, Michelle | BACP | Psychotherapist | Manchester | United Kingdom | Greater Manchester | View |
| Davies, William | NCHP | Psychotherapist | London | United Kingdom | London | View |
| Davis, Esther | Esther Davis Psychology | Clinical Psychologist | Broadway | Australia | New South Wales | View |
| Davis, jody | Private Practice | Marriage and Family Therapist | Freehold | United States | New Jersey | View |
| Davis, Kristy | Arkansas Tech University | Associate Dean for Student Wellness/Counselor | Russellville | United States | Arkansas | View |
| Davis, Leslianne | DCC | Operations Director | Raleigh | United States | North Carolina | View |
| Davis, Lissa | Independent Clinical Practice | Psychologist | Decatur | United States | Georgia | View |
| Davis, Megan | Megan Davis Psychotherapy, PLLC | LCSW, PMH-C | Raleigh | United States | North Carolina | View |
| Davis, Stephanie | BPS, HCPC | Clinical Psychologist | Bristol | United Kingdom | | View |
| Davis, Thomas | Aerie Healthcare | Pre-licensed counselor | Concord | United States | New Hampshire | View |
| Dawson, John | Relational Presence Network | Coach/Trainer | Bath | United Kingdom | | View |
| Dawson, Lillian | Clear Path NJ | Therapist | Hazlet | United States | New Jersey | View |
| Day, Fiona | Fiona Day Consulting | Coaching Psychologist former physician leader | Leeds | United Kingdom | West Yorkshire | View |
| de Aguiar-Rocha, Liliane | The Behavior Web, LLC | Consultant/trainer | Massapequa Park | United States | New York | View |
| De Boer, Simone | OpportYOUnity | ortho-pegagogue-trainer-coach | Walmer | United Kingdom | Kent | View |
| De Boer, Tracy | College of Alberta Psychologists | Psychologist | Sherwood Park | Canada | Alberta | View |
| de Carvalho, Lívia Maria | Autonomo | Psicóloga | Cotia | Brazil | Sao Paulo | View |
| de Figueiredo, Luiz | Clínica Vital Psicologia LTDA. | psychologist | Brasilia | Brazil | Distrito Federal | View |
| de Freitas Dias, Mariangela | Nenhuma | Psicóloga Clínica | Curitiba | Brazil | Parana | View |
| De Graaf, Imke | acbsbene | Contextual therapist | Eindhoven | Netherlands | Noord-Brabant | View |
| De Hert, Stijn | Praktijkhuis Integraal | Contextueel gedragstherapeut | Antwerpen | Belgium | Antwerpen | View |
| de Jager Meezenbroek, Eltica | ACT praktijk | Therapeut/coach | Utrecht | Netherlands | Utrecht | View |
| De Jong, Marjan | www.psycholoog-marjandejong.nl | Psychologist | Eelde | Netherlands | | View |
| De Jong, Marloes | Mental Health | Mental Health Psychocologist | Utrecht | Netherlands | Utrecht | View |
| de Jong, Michael | Dr Mike de Jong professional psychology Corp. | Clinical Psychologist | Burnaby | Canada | British Columbia | View |
| de Jong, Nicole | Neuropsychology | Psychologist | ROSMALEN | Netherlands | Noord-Brabant | View |
| de Jonge, Carla | nvo, skj | orthopedagoog | Hoek | Netherlands | Zeeland | View |
| De Klerk, Ronelle | SACSSP | Oncology social worker | Pretoria-East | South Africa | Gauteng | View |
| De La Rosa Diaz, Domingo | SERVICIO CANARIO DE LA SALUD | ESPECIALIST IN CLINIC PSYCHOLOGY | SAN CRISTÓBAL DE LA LAGUNA | Spain | Santa Cruz de Tenerife | View |
| de la Vega, Nicolás | Independiente | Licenciado en Psicología | Córdoba | Argentina | Cordoba | View |
| De Langhe, Heidi | ACBS | Career Counselor, Coach, Therapist, and Mindfulness Teacher | Gent | Belgium | Oost-Vlaanderen | View |
| De León, Ricardo | Red Funcional de Salud | PSICÓLOGO - PSICOTERAPEUTA | Lima | Peru | Lima | View |
| de Lima e Silva, Marcelo | clinical psychologist | self-employed | Belo Horizonte | Brazil | Minas Gerais | View |
| de Moura, Tayse | Pontifícia Universidade Católica do Rio Grande do Sul | Psicóloga | Porto Alegre | Brazil | Rio Grande do Sul | View |
| de Vries- van den Hoorn, Hanneke | De Vries Psychologie | Klinisch psycholoog/psychotherapeut, coach & reisgenoot | Purmerend | Netherlands | Noord-Holland | View |