| Name | Affiliation | Occupation / Position Title | City | Country | State | |
|---|
| Lu, Michael | MindWell Philippines, Inc. | President/Psychotherapist | Paranaque City | Philippines | Metropolitan Manila | View |
| Lu, Yuansheng | University of Toronto | Registered Psychotherapist (Qualifying) | Toronto | Canada | Ontario | View |
| Lucas, Heather | Nystrom & Associates | Licensed Psychologist | New Brighton | United States | Minnesota | View |
| Lucas, Jim | Openforwards Ltd | ACT Therapist | Birmingham | United Kingdom | West Midlands | View |
| Ludew, Agnieszka | Private Practice - Maitri | Psychologist | Lodz | Poland | | View |
| Ludhani, Ayesha | Ludhani Psychological Services, PLLC | Licensed Psychologist | Wayne | United States | Pennsylvania | View |
| Lukianova, Liubov | Psychotherapy Practicee | clinical psychologist | berlin | Germany | Berlin | View |
| Luna Juarez, Virginia | clinica | licenciada en psicología | tierra del fuego | Argentina | Tierra del Fuego | View |
| Luna Samudio, Jaime | Grupo UNOA | Psicólogo clínico y de la salud | Santiago de Querétaro | Mexico | Queretaro | View |
| Luna Sánchez, Sandra | Profesional | Coordinadora de la Maestría en Psicoterapia Avanzada | Guatemala | Guatemala | Guatemala | View |
| Lund, Eric | LifeSwitch | Clinical Psychologist | Green Bay | United States | Wisconsin | View |
| Lunde, Samantha | Lunde Therapy, PLLC | LCSW | Carbondale | United States | Illinois | View |
| Lunderskov, Dorte | Lunderskov | Clinical Psychologist | Noerre Snede | Denmark | Midtjylland | View |
| Lunter, Roland | Roland Lunter | psycholoog nip, psycholoog arbeid en gezondheid | meppel | Netherlands | Drente | View |
| Luoma, Jason | Portland Psychotherapy Clinc, Research, & Training Center, PC | CEO | Portland | United States | Oregon | View |
| Luque Carreiro, Patrícia | IBAC | Psychologist | Brasília | Brazil | Distrito Federal | View |
| Lussier, Cara | Counselling on the Danforth | Registered Psychotherapist | Toronto | Canada | Ontario | View |
| Luszczanowski, Clara | Private practice-Sanan-Do | psychologist | Ciudad de Buenos Aires | Argentina | Capital federal | View |
| Luttmer-Mohs, Elizabeth | Behavioral Learning, LLC | Clinical Behavior Therapist | Chicago | United States | Illinois | View |
| Lyken, Anne Dorte | Sørlandets Rehabiliteringssenter | Specialist in Clinical Psychology, CRDO | Flekkefjord | Norway | | View |
| Lynch, Francis | The Finding Meaning Practice | Director | Como | Australia | Western Australia | View |
| Lyons, Cameron | Resilience Behavioral Health Centers | Mental Health Counselor | Walpole | United States | Massachusetts | View |
| Lyons, Daniel | Adaptive Minds LLC | Psychiatric Nurse Practitioner | Washington | United States | District of Columbia | View |
| Lyseng, Annelise | MacEwan University | Counsellor | Edmonton | Canada | Alberta | View |
| Łopaciński, Piotr | SWPS University of Social Science and Humanities | Psychologist | Miechow | Poland | małopolskie | View |
| Macari, Cara | NYU Langone Orthopedic Hospital | Clinical Social Worker | New York | United States | New York | View |
| Macera, Michelle | Kaiser Permanente | Psychologist | Honolulu | United States | Hawaii | View |
| Macfarlane, Dom | 1625 Independent People | EET and Wellbeing Coach | Bristol | United Kingdom | | View |
| Machado Doriguello, Wagner | private clinic | Psicólogo Clínico | Indaiatuba | Brazil | Sao Paulo | View |
| Mackaronis, Julia | Quinault Indian Nation | Licensed Clinical Psychologist | Taholah | United States | Washington | View |
| Mackenzie, Helena | Psychotherapy and Resilience, PLLC | Clinical Psychologist | Saint Paul | United States | Minnesota | View |
| Mackin, Michelle | National Health Service (NHS) | Specialist Counselling Psychologist | Derby | United Kingdom | | View |
| MacLeod, Jeremy | Private Practice | Counsellor/Founder | Canterbury | United Kingdom | Kent | View |
| Macleod, Sandra | Mosaic Behavioral Consulting | Sandra Mac Leod, Ph.D., BCBA-D, Behavior Analyst | Port Angeles | United States | Washington | View |
| MacQuarrie, Emily | Green Leaf Psychological Services | Clinical Psychologist | Halifax | Canada | | View |
| Mader, John | Carolina Integrative Psychotherapy | LMFT | Chapel Hill | United States | North Carolina | View |
| Madhavan, Ernest | Soundview Psychiatric Services, PLLC | Psychiatrist | Kirkland | United States | Washington | View |
| Madrigal-Bauguss, Jessica | NM VA Health Care System | Staff Psychologist | Albuquerque | United States | New Mexico | View |
| Mafi, Golnaz | N/A | Clinical Behavior Analyst | McLean | United States | Virginia | View |
| Magnani, Daniella | crp | Psicologa | Marília | Brazil | | View |
| Magni, Cristina | School of behavioral psychotherapy ASCCO | Clinical Psychotherapist | Parma | Italy | Parma | View |
| Magrone, Debra | Complete Family Consultants | Mental Health Counselor Intern | Grant | United States | Florida | View |
| Maguire, Jenny | National Health Service (NHS) | Consultant Clinical Psychologist | Dundonald | United Kingdom | Co Down | View |
| Mahabir, Bindiya | BACB | BCBA/Autism Life Coach | Dublin | United States | California | View |
| Maher, Michael | The Reeds Center | Clinical Psychologist, Director | New York | United States | New York | View |
| Mahleb, Eric | Burnout Help | Life and health coach with focus on stress, burnout and resilience | Berlin | Germany | Berlin | View |
| Mahorney, Steven | | Psychiatrist Medical Director retired | Asheville | United States | North Carolina | View |
| Maidenberg, Michelle | Westchester Group Works | Psychotherapist | Harrison | United States | New York | View |
| Maier, Elizabeth | Elizabeth Maier Psychological Services | Psychologist | YAROOMBA | Australia | Queensland | View |
| Maingi, Lydiah | Kenyatta University | Lecturer | Nairobi | Kenya | | View |