| Name | Affiliation | Occupation / Position Title | City | Country | State | |
|---|
| Mata, Sofía | PRIVATE PRACTICE | Psicoterapeuta | El Marqués | Mexico | Queretaro | View |
| Matacz- Szymanowicz, Iwona | NZOZ Diada NFZ Pyskowice, ODT Pozytywka | psychoterapeuta | Zabrze | Poland | śląskie | View |
| MATEO, SILVIA | CENTRO DE PSICOLOGIA PSIQUE | directora | SORIA | Spain | Soria | View |
| Mather, Doug | The Creation Company (2020) Ltd | Specialist in Human Behaviour | London | United Kingdom | London | View |
| Matheus, Daniela | CRP 08/12002 | Clinical Psychologist | Curitiba | Brazil | Parana | View |
| Mathis, Kimberly | VA San Diego Healthcare System | Staff Psychologist | Chula Vista | United States | California | View |
| Matsen Devitt, Julie | Springfield Behavioral of PA | Psychologist | Hazlet | United States | New Jersey | View |
| Matthews, Megan | Untangled Counseling Services, LLC | Founder/Clinical Director | Lakewood | United States | Ohio | View |
| Matthijssen, Denise | Pivate practice | familytherapist and coach | Ingen | Netherlands | | View |
| Mattoli, Scarlett | Psynamo Limited | Director/Clinical Psychologist | Central | Hong Kong | Central and Western | View |
| Mattos, Alexandre | Private office | Psychotherapist | São Paulo | Brazil | Sao Paulo | View |
| Maviglia, Adrienne | ABAI | Clinical Executive Director | Goshen | United States | New York | View |
| Mawson, Emily | Barwon Health | Clinical Psychologist | Geelong | Australia | | View |
| Maxey, C. David | Portland Psychological Services | Licensed Independent Psychologist Associate | Portland | United States | Oregon | View |
| May, Michael | Mandala House, LLC | Psychotherapist; Director of Supervision & Training | LOUISVILLE | United States | Kentucky | View |
| May, Robin | Australian Psychological Society, Australian Association of Smoking Cessation Specialists, Australian Association of Cognitive & | Psychologist | Royal North Shore Hospital | Australia | New South Wales | View |
| Mayado, Verónica | Instituto del comportamiento | Director | Salamanca | Spain | Salamanca | View |
| Mayberry, Emily | Sheffield Teaching Hospitals NHS Foundation Trust / University of Sheffield | Clinical Psychologist | Sheffield | United Kingdom | | View |
| Maynard, Patricia | Tapestry Wellness Counseling Practice | Therapist/Owner | MEMPHIS | United States | United States Minor Outlying Islands | View |
| Mazurczak, Agnieszka | pomocnia | Ma in psychology | poznan | Poland | wielkopolskie | View |
| Mazza, Marisa | choicetherapy | Psychologist | Berkeley | United States | California | View |
| Mazzei, Rae | Evolutions Behavioral Health Services | Health Psychologist | Chandler | United States | Arizona | View |
| Mazzeo, Gabriela | Equipo Fons | Psicoterapeuta | Bahía Blanca | Argentina | Buenos Aires | View |
| Mc Carroll, Paul | Northern Health Social Care Trust | ACT Coach/Therapist/ Peer Recovery Trainer | Belfast | United Kingdom | Co Antrim | View |
| McAleese, Jacqueline | J. Page Forward, LLC | LCSW | Alpharetta | United States | Georgia | View |
| McAlpine, Lindi | British Psychological Society | Mindfulness-based Cognitive Therapist | Truro | United Kingdom | Cornwall | View |
| McAnulty, David | Abilene Christian University | Professor of Psychology | Abilene | United States | Texas | View |
| McAulay, John | Appalachian Counseling Center | Psychologist / Assistant Professor | Huntington | United States | West Virginia | View |
| McCabe, D'Arcy | PRIVATE PRACTICE | MSW, RSW, Social Worker, Psychotherapist | Toronto | Canada | Ontario | View |
| McCandless, James | BABCP | Cognitive Behavioural Psychotherapist | Wimbledon | United Kingdom | London | View |
| McCauley, Ellis | Private Psychology Practice | LMFT Psychotherapist Lic #52057 | San Rafael | United States | California | View |
| McChesney, Kathleen | Vail Behavioral Health/University of Colorado Anschutz Medical Campus | Licensed Clinical Psychologist | Edwards | United States | Colorado | View |
| McConnell, Chris | APCP | Psychotherapist / Counsellor | Dublin | Ireland | | View |
| McCormack, Sarah | IACP | Psychotherapist | Co. Laois | Ireland | Laois | View |
| McCoul, Robert | Atlantic Behavioral Medicine, Inc | Licensed Psychotherapist | CONCORD | United States | New Hampshire | View |
| McCracken, Lance | Uppsala University | Professor of Clinical Psychology | Uppsala | Sweden | Uppsala län | View |
| McCurry, Chris | Self Employed Psychologist | Clinical Child Psychologist | Seattle | United States | Washington | View |
| McCurry, Susan | University of Washington/ABCD PLLC | Research Professor Emeritus/Psychologist | Seattle | United States | Washington | View |
| McCutcheon, Kevan | Private Psychology Practice | Clinical Psychologist | Peninsula | United States | Ohio | View |
| McDermott, Robin | Counseling Associates of America | Psychologist | Bonita Springs | United States | Florida | View |
| McDonald, Janelle | N/A | Business Owner/BCBA/LBA | Sterling | United States | Virginia | View |
| McDonald, Stacey | Good Thanks Therapy | Psychotherapist | Guelph | Canada | Ontario | View |
| McDonald, Syn | Midwest Behavioral Services, Missouri Department of Mental Health | Behavior Analyst | Florissant | United States | Missouri | View |
| McDowell, Heather | auckland district health board | Consultant Clinical Psychologist | Auckland | New Zealand | | View |
| McElwee, John | self-employed | BCBA | Wilkes Barre | United States | Pennsylvania | View |
| McFadden, Emily | Childhood Solutions | Licensed Psychologist | Fort Washington | United States | Pennsylvania | View |
| McFee, Scott | Oregon State University, Private Practice | Professor of Practice, Therapist | Corvallis | United States | Oregon | View |
| McGillivray, Helen | Compass Therapy Ltd | Psychological Therpist | Lochinver Lairg | United Kingdom | Midlothian | View |
| McGrath, Michelle | Seabury Resources for Aging and Private Practice | Clinical Social Worker | Silver Spring | United States | Maryland | View |
| McGraw, Lance | Therapy Austin | LPC-A | Austin | United States | Texas | View |
