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Behrang Mahjani, PhD
img_Behrang Mahjani
ASSISTANT PROFESSOR | Psychiatry
ASSISTANT PROFESSOR | Artificial Intelligence and Human Health
ASSISTANT PROFESSOR | Genetics and Genomic Sciences
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Research Topics
Autism, Gene Discovery, Genomics
Multi-Disciplinary Training Area
Artificial Intelligence and Emerging Technologies in Medicine [AIET], Genetics and Genomic Sciences [GGS]
We study the genetic and developmental mechanisms underlying childhood-onset psychiatric disorders, including autism and ADHD, as well as severe perinatal mental illnesses such as postpartum psychosis.

BSc - Applied Mathematics, KNT University of Technology

MSc - Complex Adaptive Systems, Chalmers University of Technology

MSc - Mathematical Statistics, Chalmers University of Technology

PhD - Statistical and Scientific Computing, Uppsala University

Postdoctoral Fellowship - Epidemiology and Biostat, Karolinska Institutet

Postdoctoral Fellowship - Biological Psychiatry, Icahn School of Medicine at Mount Sinai

2025

Moderate effect size genes in autism spectrum disorder

R01 - NIMH

2023

Risk architecture of postpartum psychosis

R21 - NIMH

2020

Prenatal Maternal Depression And Anxiety, And Risk Of Neurodevelopmental Disorders In Children

Brain & Behavior Research Foundation

29
Publications

Selected Publications

Autism Heterogeneity Related to Preterm Birth: Multi-Ancestry Results From the Simons Foundation Powering Autism Research for Knowledge Sample. Charikleia Chatzigeorgiou, Zeynep Asgel, Marina Natividad Avila, Behrang Mahjani, Vahe Khachadourian, Tade Souaiaia, Niamh Mullins, Magdalena Janecka. Biological Psychiatry Global Open Science

Genome-wide analyses identify 30 loci associated with obsessive–compulsive disorder. Nora I. Strom, Zachary F. Gerring, Marco Galimberti, Dongmei Yu, Matthew W. Halvorsen, Abdel Abdellaoui, Cristina Rodriguez-Fontenla, Julia M. Sealock, Tim Bigdeli, Jonathan R. Coleman, Behrang Mahjani, Jackson G. Thorp, Katharina Bey, Christie L. Burton, Jurjen J. Luykx, Gwyneth Zai, Silvia Alemany, Christine Andre, Kathleen D. Askland, Julia Bäckman, Nerisa Banaj, Cristina Barlassina, Judith Becker Nissen, O. Joseph Bienvenu, Donald Black, Michael H. Bloch, Sigrid Børte, Rosa Bosch, Michael Breen, Brian P. Brennan, Helena Brentani, Joseph D. Buxbaum, Jonas Bybjerg-Grauholm, Enda M. Byrne, Judit Cabana-Dominguez, Beatriz Camarena, Adrian Camarena, Carolina Cappi, Angel Carracedo, Miguel Casas, Maria Cristina Cavallini, Valentina Ciullo, Edwin H. Cook, Jesse Crosby, Bernadette A. Cullen, Magdalena Janecka, Abraham Reichenberg, Sven Sandin, Dan J. Stein, Dorothy E. Grice. Nature Genetics

A Family Peer Advocate Model to Address Disparities in Access to Care for Minority Autistic Children with Co-Occurring Attention-Deficit/Hyperactivity Disorder. Pilar Trelles, Behrang Mahjani, Emma Wilkinson, Nicholas Buonagura, Lauren Donnelly, Jennifer Foss Feig, Danielle Halpern, Mary McKay, Paige Siper, Joseph D. Buxbaum, Alexander Kolevzon. Journal of Developmental and Physical Disabilities

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Physicians and scientists on the faculty of the Icahn School of Medicine at Mount Sinai often interact with pharmaceutical, device, biotechnology companies, and other outside entities to improve patient care, develop new therapies and achieve scientific breakthroughs. In order to promote an ethical and transparent environment for conducting research, providing clinical care and teaching, Mount Sinai requires that salaried faculty inform the School of their outside financial relationships.

Below are financial relationships with industry reported by Dr. Mahjani during 2025 and/or 2026. Please note that this information may differ from information posted on corporate sites due to timing or classification differences.

Outside Employment

  • Karolinska Institutet

Mount Sinai's faculty policies relating to faculty collaboration with industry are posted on our website. Patients may wish to ask their physician about the activities they perform for companies.