Therapists included in this directory are listed according to their level of training in AEDP (i.e. roughly number of AEDP training hours); AEDP Level does not correlate to the therapist’s overall experience as a clinician.
All directory information is self-reported by the listed provider, except for AEDP certification level, which the AEDP Institute verifies. Providers listed in this directory are not agents, or representatives of the AEDP Institute. The AEDP Institute does not supervise, oversee, or regulate the clinical services provided by listed practitioners.
To learn more about AEDP Levels, click here. By using this directory you are agreeing to this website’s Terms of Use.
William J. Ryan, PhD Psychologist
393 Bergen Street Brooklyn, New York, USA
AEDP Level 3
Specializing in individuals and couples impacted by high-conflict, betrayal, affairs, and infidelity. Complex Trauma. Learn more about Discernment Counseling https://drwilliamryan.com/discernment-counseling/ Certified to practice in 42 states; NOT As of early 2026, the
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Yael Sadan, LCSW
220 East 54th Street, Suite 1B New York City, New York, USA
AEDP Certified TherapistSupervisor in Training
Nancy Sagon
Location 1:
109 Ponemah Rd. Amherst, New Hampshire, USA
Location 2:
3 Payson La Orleans MA
