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ClearHorizon News

Dr. Aron Janssen, MD – Chicago, IL

Author

Sarah Oconnor

Updated on January 09, 2026

Aron Janssen, M.D., is a Clinical Associate Professor of Child and Adolescent Psychiatry and an Attending Physician at the NYU Child Study Center. He is the founder and clinical director of the Gender and Sexuality Service and Co-Director of the NYU Consultation-Liaison Service. His primary academic focus is on gender and sexuality development and gender variance in childhood and adolescence.

Prior to joining the NYU Child Study Center, he completed his general psychiatry residency and child psychiatry fellowship at NYU/Bellevue. While in training, he created the LGBT mental health elective and continues to oversee its operation. Dr. Janssen is a member of the American Academy of Child and Adolescent Psychiatry, American Psychiatric Association, and World Professional Association for Transgender Health. His work on transgender health has been internationally recognized, and he has published in several journals and books and presented on transgender youth nationally, internationally and on radio and television.