| Nancy Bell Mahaney | Ph.D. | No | | 4-90 | | |
| Robert L. Mapou | Ph.D. | Yes | | 12 and up | - Delaware
- Hawaii
- Maryland
- Virginia
| |
| Bernice A. Marcopulos | Ph.D. | Yes | | adult | | |
| Liv E. Miller | Psy.D. | Yes | | 18+ | | |
| Adam H. Minniear | Psy.D. | Yes | | 18 and up | | |
| Anne C. Newman | Ph.D. | Yes | | adults and geriatric | - District of Columbia
- Maryland
- Virginia
| |
| Julie B Newman | Ph.D. | Yes | | 6-22 | - District of Columbia
- Maryland
- Virginia
| |
| Edward A. Peck III | Ph.D. | Yes | | | | |
| Lawrence Pick | Ph.D. | Yes | - American Sign Language
- English
| School-Age Children - Older Adults | - District of Columbia
- Maryland
- New York
- Virginia
| |
| Deborah Potvin | Ph.D. | Yes | | | - District of Columbia
- Maryland
- Virginia
| |
| Srishti Rau | Ph.D. | Yes | | 5-22 | - District of Columbia
- Maryland
- Virginia
| |
| Eric A Rinehardt | Ph.D. | Yes | | 16 + | | |
| M. Agustina Agustina Rossetti | Ph.D. | Yes | | | | |
| Thomas V. Ryan | Ph.D. | Yes | | | | |
| Bonnie C. Sachs | Ph.D. | Yes | | | | |
| Richard G. Salamone | Ph.D. | Yes | | 18 and up | | |
| Jillian Claire Schneider | Ph.D. | Yes | | | | |
| Michael Shapiro | Ph.D. | Yes | | 18-90 | | |
| Brian V. Shenal | Ph.D. | Yes | | Adults | | |
| Anita H. Sim | Ph.D. | Yes | | 16-geriatric | | |
| Cynthia A. Smith | Ph.D. | Yes | | 0-100 | | |
| Ann B. Sollinger | Ph.D. | Yes | | | | |
| Jack Spector | Ph.D. | Yes | | Children, Adolescents, Adults | - Maryland
- Michigan
- North Carolina
- Virginia
| |
| Jennifer Strang | Ph.D. | No | | 18+ | | |