Lab Members

Meet the Choi Lab team members. We welcome requests for information about our work and collaboration opportunities.

Principal Investigator

Jaehyuk Choi, MD, PhD

Jack W. Graffin Associate Professor,
Dermatology (Medical Dermatology)
Biochemistry and Molecular Genetics

Graduate School: Yale University

View Choi's Faculty Profile

Postdoctoral Scholars

John Devany, PhD

Postdoctoral Scholar

jdevany( at )northwestern.edu

Graduate School: University of Chicago

Sunghee Hwang, PhD

Postdoctoral Scholar

sunghee.hwang( at )northwestern.edu

Graduate School: Incheon National University

Research Fellows

Kristy Tefft

Pre-Doctoral Research Fellow

kristy.tefft( at )northwestern.edu

Graduate School: New York Medical College School of Medicine

Ahmed Usman, MBBS

Clinical Trials Research Fellow

ahmed.usman( at )northwestern.edu

Medical School: Services Institute of Medical Sciences

Graduate & Medical Students

Kathleen Cheng

MD PhD Student

kathleen.cheng( at )northwestern.edu

Graduate School: Northwestern University MSTP

Brandon Li Hancock

Graduate Student

brandon.hancock( at )northwestern.edu

Graduate School: Northwestern University Driskell Graduate Program

Calvin Law

Graduate Student

calvin.law( at )northwestern.edu

Graduate School: Northwestern University Driskell Graduate Program

Lucy Liu

Graduate Student

qing.liu1( at )northwestern.edu

Graduate School: Northwestern University Driskell Graduate Program

Zachary Reinstein

MD PhD Student

zachary.reinstein( at )northwestern.edu

Graduate School: Northwestern University MSTP

Julia Yescas

Graduate Student

julia.yescas( at )northwestern.edu

Graduate School: Northwestern University Driskell Graduate Program

Yue Zhang

MD Student

yue.zhang2( at )northwestern.edu

Graduate School: Northwestern University Feinberg School of Medicine

Research Staff

Caroline Bell

Research Technician

caroline.bell1( at )northwestern.edu

College: Columbia University

Victoria Chu

Research Technician

victoria.chu( at )northwestern.edu

College: University of Illinois at Urbana-Champaign

Arundhati Pillai

Research Technician

arundhati.pillai( at )northwestern.edu

College: University of Chicago

Undergraduate Students

Elizabeth Lakoma

Undergraduate Research Assistant

elizabethlakoma2025( at )u.northwestern.edu

Amy Wang

Undergraduate Research Assistant

amywang2024( at )u.northwestern.edu

Lab Alumni

Jean Lin, MD PhD (Postdoctoral Fellow & Rheumatology Attending, 2018-2023) — Assistant Professor, Cleveland Clinic
Spencer Ng, MD PhD (Dermatology Resident, 2021-2023) — Dermpath Fellow, Memorial Sloan Kettering Cancer Center
Hongyu Liu (Bioinformatics Analyst, 2022-2023)
Jasen Jackson (Research Technician, 2021-2022) — MSTP student, Washington University
Yujin Lee (Research Technician, 2020-2022) — PhD student, Northwestern University
Kevin Qiu (Research Technician, 2018-2022) — Medical Student, UVA
Caroline Snowden (Medical Student, 2020-2022) — Dermatology Resident, UPENN
Jay Carroll Daniels (MD-PhD Student, 2016-2022) — Postdoc
Yuan Qian (Postdoctoral Fellow, 2016-2021)
Kimberly Ringbloom (research technician, 2018-2021)
Katie Lee (medical student, 2019-2021) — Medical student at University of Illinois Chicago
Edwin Qiu (research technician, 2020-2021) — Medical student, Boston University
Kewei Xu (master’s student, 2020-2021)
Joonhee Park (postdoctoral fellow, 2015-2020) — Research Scientist, Kite Pharma
Alan Zhou (postdoctoral fellow, 2016-2019) — Assistant Professor of Dermatology, Northwestern University
Yohan Byun (undergraduate researcher, 2017-2019) — Medical Student, Seoul National University
Melanie Daulton (medical student thesis, 2015-2019) — Ophthalmology Resident, Northwestern
Jingyi Yang (bioinformaticist, 2016-2018) — Bioinformaticist, China
Alex Wenzel (undergraduate researcher, 2015-2018) — Bioinformatics Graduate student, UCSD
James Whang (undergraduate researcher, 2015-2017) — Software Engineer, Microsoft