Faculty

Adam Christian Naj, PhD

faculty photo
Associate Professor of Epidemiology in Biostatistics and Epidemiology at the Hospital of the University of Pennsylvania
Department: Biostatistics and Epidemiology

Contact information
921 Blockley Hall
423 Guardian Drive
Philadelphia, PA 19104
Office: (215) 746-4180
Fax: (215) 573-1050
Lab: (215) 746-4180
Education:
BA (Biology (Genetics)/Psychology)
University of Chicago, 2000.
PhD (Epidemiology (Human Genetics))
The Johns Hopkins University Bloomberg School of Public Health, 2008.
Permanent link
 
> Perelman School of Medicine   > Faculty   > Details

Description of Research Expertise

Dr. Naj is an Assistant Professor of Epidemiology in the Department of Biostatistics, Epidemiology, and Informatics, and the Department of Pathology and Laboratory Medicine at the University of Pennsylvania Perelman School of Medicine. His research focuses primarily on the genetics of Alzheimer’s Disease (AD) and neurodegeneration, including his genome-wide association analyses in the Alzheimer’s Disease Genetics Consortium (ADGC) which resulted in a first-author paper that was the most cited Alzheimer’s study of 2011. Joining Penn in 2012, Dr. Naj has extended his roles in analysis and data management in the ADGC, and has been actively co-leading quality control and case-control analysis working groups in the Alzheimer’s Disease Sequencing Project (ADSP), which has collected data on nearly 600 whole genomes and more than 10,500 whole exomes of AD cases and controls to identify rare risk-increasing and protective genomic variants contributing to AD. Of late his work has included guiding development of a quality control pipeline for next-generation sequence data as part of the Genomic Center on Alzheimer’s Disease (GCAD). Dr. Naj is also one of several Penn co-founders and organizers of the annual Symposium on Advances in Genetic Epidemiology and Statistics (SAGES), promoting the development of methods to analyze genomic datasets. He has recently expanded his research portfolio to include studies examining genetic loci contributing to multiple neurodegenerative diseases and phenotypes including AD, Parkinson’s disease, and progressive supranuclear palsy, among others, aspiring to identify key genetic contributors to the pathologies underlying neurodgeneration.

Selected Publications

EADB; EADI; Bonn; ADGC; CHARGE; FinnGen; GERAD; GR@ACE/DEGESCO; PGC-ALZ.: Consensus meta-analysis of genome-wide association studies for Alzheimer's disease and related dementias. Nature Genetics 58(6): 1214-1225, June 2026.

Sun X, Mews M, Wheeler NR, Benchek P, Gu T, Gomez L, Ray N, Reitz C, Naj AC, Below JE, Tosto G, Cornejo-Olivas M, Byrd GS, Feliciano-Astacio BE, Celis K, Rajabli F, Kunkle BW, Pericak-Vance MA, Haines JL, Griswold AJ, Bush WS.: Multi-ancestry transcriptome-wide association study reveals shared and population-specific genetic effects in Alzheimer disease. American Journal of Human Genetics 113: 1279-1296, June 2026.

Bazemore K, Iqbal T, Kuzma AB, Grant SFA, Schellenberg GD, Wang LS, Chesi A, Jin J, Naj AC.: Functionally informed annotation influences pathway-specific polygenic risk and disease inference in Alzheimer's disease. medRxiv May 2026.

Leung YY, Marcora EM, Naj A, Patel T, Sedgwick K, Katanic Z, Corces RM, Wang LS, Mayeux RC, Goate AM, Farrer L, Schellenberg GD, Kunkle B, Vardarajan BN.: Comprehensive adjudication identifies 111 high-confidence loci for Alzheimer's disease and related dementias. medRxiv May 2026.

Lee WP, Wang H, Leung YY, Cheng PL, Zheng W, Valladares O, Chung WH, Kuzma A, Naj A, Vardarajan B, Grsiwold A, Haines J, Wang LS, Schellenberg G.: Rare coding variants from ADSP R5 whole-genome sequencing implicate novel genes in Alzheimer's disease. Research Square March 2026.

Bledsoe X, Wang TC, Wu Y, Archer D, Chen HH, Naj AC, Bush WS, Hohman TJ, Dumitrescu L, Below JE, Gamazon ER.: Neuroimaging PheWAS and molecular phenotyping implicate PSMC3 in Alzheimer's disease. Alzheimer's & Dementia February 2026.

Durant A, Mukherjee S, Lee ML, Choi SE, Scollard P, Klinedinst BS, Trittschuh EH, Mez J, Farrer LA, Gifford KA, Cruchaga C, Hassenstab J, Naj AC, Wang LS, Johnson SC, Engelman CD, Kukull WA, Keene CD, Saykin AJ, Cuccaro ML, Kunkle BW, Pericak-Vance MA, Martin ER, Bennett DA, Barnes LL, Schneider JA, Bush WS, Haines JL, Mayeux R, Vardarajan BN, Albert MS, Thompson PM, Jefferson AL; Alzheimer's Disease Neuroimaging Initiative (ADNI)*Alzheimer's Disease Genetics Consortium (ADGC)The Alzheimer's Disease Sequencing Project (ADSP); Crane PK, Dumitrescu L, Archer DB, Hohman TJ, Gaynor LS.: Evaluating the association of apolipoprotein E genotype and cognitive resilience in SuperAgers. Alzheimer's & Dementia February 2026.

Li YJ, La JO, Naj A, Martin ER.: Leveraging genetic propensity to identify modifiable factors for the age at onset of Alzheimer's disease. Alzheimer's & Dementia February 2026.

Contreras AG, Walters S, Eissman JM, Archer DB, Regelson AN, Durant A, Clifton M, Mukherjee S, Lee ML, Choi SE, Scollard P, Trittschuh EH, Mez J, Bush WS, Kunkle BW, Cruchaga C, Naj AC, Gifford KA, Bilgel M, Kuzma AB; Alzheimer’s Disease Neuroimaging Initiative (ADNI); Alzheimer’s Disease Genetics Consortium (ADGC); Alzheimer’s Disease Sequencing Project (ADSP); Cuccaro ML, Pericak-Vance MA, Farrer LA, Wang LS, Schellenberg GD, Haines JL, Jefferson AL, Kukull WA, Keene CD, Saykin AJ, Thompson PM, Martin ER, Albert MS, Johnson SC, Engelman CD, Ferrucci L, Bennett DA, Barnes LL, Schneider JA, Sperling RA, Resnick SM, Crane PK, Dumitrescu L, Hohman TJ.: Genetic modifiers of APOE-ε4-associated cognitive decline. Nature Communications February 2026.

Jin Y, Wang H, Naj AC, Wang LS, Lee WP.: GrafAnc: Reliable and reproducible inference of continental and regional population structure. HGG Advances 7: 100530, January 2026.

back to top
Last updated: 06/22/2026
The Trustees of the University of Pennsylvania