| Name | Affiliation | Occupation / Position Title | City | Country | State | |
|---|
| Silvestri, Ramon | FACCAT- | Professor/ Psychotherapist | Porto Alegre | Brazil | Rio Grande do Sul | View |
| Sim, Leslie | Mayo Clinic | Professor | Rochester | United States | Minnesota | View |
| Simeonova, Valeria | Private Practice | Counselor/Therapist | Varna | Bulgaria | Varna | View |
| Simister, Heather | St.Amant | Psychologist | Winnipeg | Canada | Manitoba | View |
| Simkins, Thomas | Private Practice | Psychologist | Amsterdam | Netherlands | | View |
| Simmons, Alexander | Great Lakes Psychology Group | Psychotherapist | Clarkston | United States | Michigan | View |
| Simmons, Amanda | Anxiety Solutions of Denver | Staff Psychologist | Denver | United States | Colorado | View |
| Simmons, Elizabeth | Loyola University Medical Center | Associate Professor | Chicago | United States | Illinois | View |
| Simmons, Kate | Upstream Counseling | Owner/Therapist | Ames | United States | Iowa | View |
| Simonds Taylor, Amy | Banner | LPC | Tucson | United States | | View |
| Simonich, Hugh | The Third Wave Center for Mindfulness and Behavior Therapy | Director | Austin | United States | Texas | View |
| Simons, Marion | Groeipunt, praktijk voor integratieve psychotherapie | sociaal pedagogisch hulpverlener/ psychotherapie | Hapert | Netherlands | Noord-Brabant | View |
| Simons, Patricia | Semi-Retired | Marriage & Family Therapist | Cross Junction | United States | Virginia | View |
| Simpson, Mr | British Psychological Society | Clinical Psychologist | Kendal | United Kingdom | Cumbria | View |
| Simpson, Peter | ahpra, aps | Psychologist | Manor Lakes | Australia | Victoria | View |
| Simpson, Tara | University of Alberta | Psychologist | Red Deer County | Canada | Alberta | View |
| Simsion, Daniel | Forensicare | Clinical Psychologist/ Lecturer | Clifton Hill | Australia | Victoria | View |
| Sinclair, Bethany | Private Practice | Psychotherapist | New York | United States | New York | View |
| Sinclair, Craig | CRAIG SINCLAIR LPC | Private Practice Counselor | Redmond | United States | Oregon | View |
| Sinclair, Michael | City Psychology Group | Consultant Counselling Psychologist / Clinical Director | London | United Kingdom | | View |
| Sipe, Walter | UCSF | Dr | Oakland | United States | California | View |
| Siragusa, Tina | UNC Chapel Hill and private practice and Registered NC Gambling Tx Provider | Family Therapist and Addictions Counselor/NC and CT licenses | Chapel Hill | United States | North Carolina | View |
| Sison, Alfred | Kaiser Permanente Hawaii | Clinical Psychologist | Honolulu | United States | Hawaii | View |
| Sisounong, Sabrina | Education Management Group | CEO | Fayetteville | United States | North Carolina | View |
| Sisti, Mark | NY Cognitive - Behavioral, PLLC | Psychologist & Director | NY | United States | New York | View |
| Sivers, Sarah | HCPC / BPS | Educational Psychologist / Play Therapist | South Woodham Ferrers | United Kingdom | Essex | View |
| Sivonen, Mauri | ammattilainen | PSYCHOTHERAPIST | Joensuu | Finland | North Karelia | View |
| siwaletti, danielle | ACBS Brasil | psicólogo clínico | fortaleza | Brazil | Ceara | View |
| Skellie, Mark | PsyD | Northside Hospital | ATLANTA | United States | Georgia | View |
| Skeryte, Simona | Vytautas Magnus University | Psychologist | Vilnius | Lithuania | Vilniaus Apskritis | View |
| Skidmore, Terry | Psychotherapy Private Practice | Psychotherapist with own private practice | Bribie Island | Australia | Queensland | View |
| Skinta, Matthew | Roosevelt University | Associate Professor | Chicago | United States | Illinois | View |
| Skon, Evelyn | L Evelyn Skon, MBA, MA, LMFT | Coaching, Psychotherapy, & Workplace Consulting | Salt Lake City | United States | Utah | View |
| Skoromna, Antonina | ACBS Ukraine Central Region | Psychologist | Zvenyhorodka | Ukraine | Cherkas'ka Oblast' | View |
| Skotz, Nicole | ACT with Nicole | BCBA | Austin | United States | Texas | View |
| Skousen, Thomas | Purple Sky Counseling | Mental Health Therapist | Midvale | United States | | View |
| Skow, Christine | Liberty Therapy Associates, LLC | Counselor | Coralville | United States | Iowa | View |
| Skoyen, Jane | Finding Balance Psychotherapy | PhD | Corte Madera | United States | California | View |
| Skriver, Anette | Private Praxis | Clinical Psychologist | Aarhus | Denmark | Midtjylland | View |
| Skvortsov, Ilya | AKPN | psychologist | Moscow | Russian Federation | Moskva | View |
| Slaughter, Jennifer | Relational Psychotherapy, PLLC | LCSW-S | Houston, TX | United States | Texas | View |
| Sledge, Emily | Private Practice | Therapist | Frisco | United States | Texas | View |
| Sleurink, Isabelle | The Group Psychology Practice | Psychologist | Randwick | Australia | | View |
| Sloman, Glenn | Florida Psychological Center | Psychologist | Indialantic | United States | Florida | View |
| Smeets, Annemieke | Radboud UMC Nijmegen | MSc | Lent | Netherlands | Gelderland | View |
| Śmieciuszewski, Bartosz | Ełckie Centrum Psychoterapii | Psychologist | Ełk | Poland | warmińsko-mazurskie | View |
| Smith, Aiveen | forensic psychology | Chartered and Registered Psychologist | horsforth | United Kingdom | West Yorkshire | View |
| Smith, Angela | Anxiety Specialists of Houston | Clinical Psychologist | Houston | United States | Texas | View |
| Smith, Barrett | Inhabit Life Therapy | Therapist | Scottdale | United States | Georgia | View |
| Smith, Brooke | Renown Health | Licensed Psychologist | Reno | United States | Nevada | View |