| Name | Affiliation | Occupation / Position Title | City | Country | State | |
|---|
| Loveridge, Matt | BABCP | Psychotherapist | London | United Kingdom | London | View |
| Lowe, Vanessa | none | Clinical Psychologist | Berkeley | United States | California | View |
| Löwer, Lenard | Privatpraxis für Erwachsene | Psychologischer Psychotherapeut | Berlin | Germany | Berlin | View |
| Lowry, Kathleen | Private Practice | private practitioner | Minnetonka | United States | | View |
| Lozes, Allison | Connect Behaviour Consulting | Contextual Behaviour Analyst | Surry Hills | Australia | New South Wales | View |
| Løkke, Jon | Ostfold University College | Professor | MOSS | Norway | Østfold | View |
| Lu, Yuansheng | University of Toronto | Registered Psychotherapist (Qualifying) | North | Canada | Ontario | View |
| Lublinsky, Luis | Private practice / Fundacion Foro para la Salud Mental | Clinical Psychologist /Psychotherapist | Buenos Aires | Argentina | Capital federal | View |
| Lucas, Heather | Nystrom & Associates | Licensed Psychologist | New Brighton | United States | Minnesota | View |
| Lucas, Jeffery | Defense Health Agency | Staff Psychologist | Puyallup | United States | Washington | View |
| Lucas, Jim | Openforwards Ltd | ACT Therapist | Birmingham | United Kingdom | West Midlands | View |
| Ludhani, Ayesha | Ludhani Psychological Services, PLLC | Licensed Psychologist | Berwyn | United States | Pennsylvania | View |
| Ludovici, Catherine | Collège médical Luxembourg | Psychothérapeute | Esch-sur-Alzette | Luxembourg | Luxembourg | View |
| Lukianova, Liubov | Psychotherapy Practicee | clinical psychologist | berlin | Germany | Berlin | View |
| Lukman, Francisca Nathania | CAOT | Occupational Therapist, Psychotherapist | Pickering | Canada | Ontario | View |
| Luna Sánchez, Sandra | Profesional | Coordinadora de la Maestría en Psicoterapia Avanzada | Guatemala | Guatemala | Guatemala | View |
| Lund, Eric | Caravel Autism Health | Clinical Psychologist | Green Bay | United States | Wisconsin | View |
| Lunderskov, Dorte | Lunderskov | Clinical Psychologist | Noerre Snede | Denmark | Århus | 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 |
| Luszczanowski, Clara | Centro de Terapia Cognitiva | psychologist | Ciudad de Buenos Aires | Argentina | Capital federal | View |
| Lydell, Tommy | Scandinavian Institute for Evidence Based Psychology AB, Capio AB, Evimind AB | Licensed psychotherapist, Licensed healthcare counselor, Supervisor. | Stockholm | Sweden | | View |
| Lyden, Martin | self-employed | psychologist | Rensselaer | United States | New York | View |
| Lynch, Francis | The Finding Meaning Practice | Director | Como | Australia | Western Australia | View |
| Lyons, Daniel | Adaptive Minds LLC | Psychiatric Nurse Practitioner | Washington | United States | District of Columbia | View |
| Lyons, Morgan | Private Practice | LCSW | Portland | United States | Oregon | View |
| Łądka-Barańska, Agnieszka | USWPS | Psycholgist | Gdynia | Poland | pomorskie | View |
| Łopaciński, Piotr | SWPS University of Social Science and Humanities | Psychologist | Miechow | Poland | małopolskie | View |
| M Skotz, Nicole | ACT with Nicole | BCBA | Austin | United States | Texas | View |
| Mabry, Johanna | Resilience Elevated, PLLC | Lead Clinician | Ann Arbor | United States | | View |
| Macera, Michelle | Hilo Medical Center | Psychologist | Hilo | United States | Texas | View |
| Machado de Melo, Maria Júlia | clinica | psychologist | Birigui | Brazil | Sao Paulo | View |
| MacIntire, Mae | Centenary College of Louisiana | Psychologist | Shreveport | United States | Louisiana | View |
| Mackaronis, Julia | Quinault Indian Nation | Licensed Clinical Psychologist | Taholah | United States | Washington | View |
| Mackie, Kenneth | Benton County Mental Health | Intensive Adult Outpatient QMHP | Corvallis | United States | Oregon | View |
| Mackin, Michelle | National Health Service (NHS) | Specialist Counselling Psychologist | Burton on Trent | United Kingdom | Staffordshire | View |
| MacLeod, Bruce | not affiliated | Psychotherapist | Edmonton | Canada | Alberta | View |
| Macleod, Sandra | Mosaic Behavioral Consulting | Sandra Mac Leod, Ph.D., BCBA-D, Behavior Analyst | Port Angeles | United States | Washington | View |
| Mader, John | Carolina Integrative Psychotherapy | LMFT | Chapel Hill | United States | North Carolina | View |
| Madrigal-Bauguss, Jessica | NM VA Health Care System | Staff Psychologist | Albuquerque | United States | New Mexico | View |
| Maestas, Donald | DRM Solutions | Therapist | Centennial | United States | Colorado | View |
| Magni, Cristina | School of behavioral psychotherapy ASCCO | Clinical Psychotherapist | Parma | Italy | Parma | 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 |
| Mahdavi, Abed | Ph.D in educational psychology, department of psychology and educational sciences, university of Tehran | Psychologist | Tehran | Iran, Islamic Republic of | Tehran | View |
| Mahdevarvarnae, Maryam | no affiliation | General Psychology | Tehran | Iran, Islamic Republic of | | View |
| Maher-Edwards, Lorraine | Guys and St Thomas' NHS Trust | Psychologist | Walton-on-Thames | United Kingdom | Surrey | View |
| Maher, Michael | The Reeds Center | Clinical Psychologist, Director | New York | United States | New York | View |
| Mahleb, Eric | Burnout Help | Coach and trainer | Berlin | Germany | Berlin | View |
