| Name | Affiliation | Occupation / Position Title | City | Country | State | |
|---|
| Wilkes, Ryan | Wasatch Psychological Services, LLC | Licensed Psychologist | Salt Lake City | United States | Utah | View |
| Wilks, Martin | Independent Practitioner (London & Suffolk) | Chartered Counselling Psychologist | Woodbridge | United Kingdom | Suffolk | View |
| Willems, Robbin | Praktijk Perspectief Hasselt | Psychologist/psychotherapist | Hasselt | Belgium | Limburg | View |
| Williams, Aeryn | Fully Present Counseling and Consultation Services | Therapist | Findlay | United States | Ohio | View |
| Williams, Cameron | MAHEC | School Based Therapist | Asheville | United States | North Carolina | View |
| Williams, Gwyneth | Self-employed private practice | Licensed Clinical Social Worker | Washington | United States | District of Columbia | View |
| Williams, Jonathan | Forensic Adolescent Consultation Service | Clinical Psychologist | Abergele | United Kingdom | Clwyd | View |
| Williams, Julie | Private Psychology Practice | Licensed Marriage Family Therapist | GARDEN CITY | United States | Idaho | View |
| Williams, Lyn | L. Williams Therapy, LLC | Therapist | Springfield | United States | Illinois | View |
| Williams, Lynn | Department of Defence (ARMY) | Clinical Psychologist | NOOSA HEADS | Australia | Queensland | View |
| Williams, Tracey | Private Practice Wollongong NSW Australia | Clinical Psychologist | Wollongong | Australia | New South Wales | View |
| Williamson, Julie | LPC | Founder/Therapist | Richmond Heights | United States | Missouri | View |
| Willimott, Rachel | Encompass Therapy | Licensed Clinical Social Worker | Oakland | United States | California | View |
| Willoughby, Cindi-Marie | Willoughby center for Behavioral health, LLC | Clinical Psychologist | Evanston | United States | Illinois | View |
| Willoughby, Scott | Independent Practice and South MS State Hospital | Psychologist | Hattiesburg | United States | Mississippi | View |
| Willows, Jim | CPA | Dr | Winnipeg | Canada | Manitoba | View |
| Willwerth, Patrick | Kettle Cove Counseling | Therapist | Beverly | United States | Massachusetts | View |
| Wilson, Harriet | The Practice Rooms | Therapist | TETBURY | United Kingdom | Bristol, City of | View |
| Wilson, Lianna | Private practice | Clinical Psychologist | Pittsfield | United States | Massachusetts | View |
| Wilson, Lisa | Southend Psychology and Ahead for Life | Practitioner Psychologist | Southend-on-Sea | United Kingdom | Essex | View |
| Wilson, Patrick | Self-employed | Coach/Mentor | Boulder | United States | Colorado | View |
| Wilson, Stephanie | | BCBA | Rochester Hills | United States | Michigan | View |
| Winchester, Jake | UCHealth | Licensed Professional Counselor | Parker | United States | Colorado | View |
| WINE, IAN | OCSWSSW and OASW | Clinician | Markham | Canada | Ontario | View |
| Wingerden, Ella | GewoonElla.nl | coach therapeut | Barendrecht | Netherlands | Zuid-Holland | View |
| Wingert, Felipe | UFRGS | Psychologist | Porto Alegre | Brazil | Rio Grande do Sul | View |
| Winter, Colin | BABCP UK | Therapist | Berkhamsted | United Kingdom | Hertfordshire | View |
| Winterfeld, Oleg | Psychotherapiezentrum Bad Kreuznach | Psychologist | Bad Kreuznach | Germany | Rheinland-Pfalz | View |
| Winterrowd LaVere, Molly | Hawai'i Center for Sexual & Relationship Health | Psychologist | Honolulu | United States | Hawaii | View |
| Winther Rojas, Hary | Hospital Regional de Cobán | Psicólogo clínico y psicoterapeuta | Cobán | Guatemala | Alta Verapaz | View |
| Wirtz, Jan | ACBS | Psychotherapist | Berlin | Germany | Berlin | View |
| Wischenka, Danielle | Better Health Therapy | Founder | San Jose | United States | California | View |
| Wiscovitch, Ashley | Private Practice in Brooklyn | MHC-LP | Brooklyn | United States | New York | View |
| Wise Gendusa, Michelle | Private practice | Therapist | Fayetteville | United States | Arkansas | View |
| Wiśniewska, Agata | ACBS Poland | legal/therapist | Warszawa | Poland | mazowieckie | View |
| Wisung, Hakan | Wisung&Wisung | CEO/Founder/licensed psychologist | Linkoping | Sweden | Östergötlands län | View |
| Witalewska, Agnieszka | Prywatna praktyka psychoterapeutyczna | Psychoterapeutka, Coach ICF PCC | Wrocław | Poland | dolnośląskie | View |
| Witkin, Michelle | Private Psychology Practice | Psychologist | Valencia | United States | California | View |
| Witteman, Mara | Blossom Therapie | ACT & Psychosocial Therapist | Utrecht | Netherlands | Utrecht | View |
| Witter, Brooks | Private practice | Therapist, Parent Coach | Ames | United States | Iowa | View |
| Witzig Jr, Ted | Apostolic Christian Counseling and Family Services | Clinical Director | Morton | United States | Illinois | View |
| Wnuk, Susan | University of Toronto, Department of Psychiatry; University Health Network | Clinical Psychologist | Toronto | Canada | Ontario | View |
| Wodniok, Andrea | self-employed | Facilitator, Coach, Education, Social Work | Galway | Ireland | | View |
| Woidneck Kieffe, Michelle | Woidneck Psychological, LLC | Licensed Psychologist | Omaha | United States | Nebraska | View |
| Wojcicki, Tom | Private Practice - Melbourne | Clinical Psychologist | South Yarra | Australia | Victoria | View |
| Wojtaś, Katarzyna | Primary School ADE | psychologist | Pruszcz Gdański | Poland | pomorskie | View |
| Wolf, Jürgen | Ev. Beratungszentrum München e.V. | Counselor, Therapist | Muenchen | Germany | Bayern | View |
| Wolf, Veronika | Private Psychology Practice | Psychotherapist | Dresden | Germany | Sachsen | View |
| Won, Paula | Healthy Therapy Online Care, LLC | ACT Therapist & RFT Educator | Honolulu | United States | | View |
| Wong Chen, Corina | Centro Psicologico Sendero | Psicóloga clínica | Lima | Peru | Lima | View |