Elizabeth M. Nielson, PhD, CASAC
NYU School of Medicine - Psychologist, Experimental Therapeutics Research Lab
PhD, Clinical Psychology, Walden University
MA, Psychology/Substance Abuse Counseling, New School for Social Research
BA, Psychology, Eugene Lang College
Research Interests
Psychedelic medicine, Addiction psychology, Psychotherapy, Meditation, Translational research, Clinical research, Clinician training
Elizabeth M. Nielson is a Clinical Psychologist and Substance Abuse Counselor whose work brings a clinical perspective to problematic substance use research. Dr. Nielson received her PhD in Clinical Psychology from Walden University. Dr. Nielson is affiliated with NYU School of Medicine as a member of the Experimental Therapeutics Research Laboratory and study therapist on “A Double-Blind Trial of Psilocybin-Assisted Treatment of Alcohol Dependence.” Her program of research includes qualitative and mixed-methods projects designed to further understand of the phenomenology and mechanisms of change in psychedelic medicine, including the experiences of trial participants and of the therapists themselves. Dr. Nielson is presently in training to become a therapist on the upcoming Phase-III trial of MDMA-assisted psychotherapy for PTSD and is collaborating on the development of a study of MDMA therapists. Dr. Nielson is also interested in barriers to training clinicians in the use of evidence-based treatments for addictive disorders. She was formerly an Adjunct Assistant Professor at John Jay College of Criminal Justice where she taught courses in general psychology and the CASAC qualifying Addiction Studies Program.


Nielson EM, Guss J (2018).
The influence of therapists’ first-hand experience with psychedelics on psychedelic-assisted psychotherapy research and therapist training
Journal of Psychedelic Studies, 2 (2), 64-73. doi: 10.1556/2054.2018.009.

Nielson EM, May DG, Forcehimes AA, Bogenschutz MP (2018).
The psychedelic debriefing in alcohol dependence treatment: Illustrating key change phenomena through qualitative content analysis of clinical sessions
Frontiers in Pharmacology, 9, 132. doi: 10.3389/fphar.2018.00132. PMCID: PMC5826346.

Nielson EM (2016).
Substance abuse counselors’ recovery status and self-schemas: Preliminary implications for empirically supported treatment implementation
Journal of Drug and Alcohol Research, 5, 235982. doi: 10.4303/jdar/235982. PMCID: PMC5473661.

Dr. Nielson's Google Scholar Profile