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PI

Associate Professor

Hyun Je Kim (M.D. Ph.D.)

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Professor Hyunje Kim is an MD, PhD physician scientist and currently an associate professor in the Department of Microbiology and Immunology, Seoul National University College of Medicine, and a dermatologist in the Department of Dermatology, Seoul National University Hospital. Dr. Kim has expertise in multimodal, high-dimensional immune profiling techniques including single cell RNA sequencing, 10X multiome (scRNAseq + scATACseq), CITEseq, spatial transcriptomics (10X Visium, Nanostring GeoMX and CosMX) and mass cytometry (CyTOF). Dr. Kim graduated from Seoul National University College of Medicine with honors and completed his residency in dermatology. He then completed his PhD at Seoul National University in immunology and transplantation in the laboratory of Dr. Chung Gyu Park developing novel mouse islet transplantation methods and evaluating the effects of porcine islet xenotransplantation in primate models. Dr. Kim then completed his Pfizer fellowship postdoc training in the laboratories of Dr. Emma Guttman and Dr. Miriam Merad at the Icahn School of Medicine at Mount Sinai using scRNAseq and CyTOF to investigate immunological skin diseases such as atopic dermatitis, psoriasis, alopecia areata and vitiligo. Through his research he discovered AD specific fibroblasts in the skin and AD specific immune subsets in circulating blood. He then moved to Samsung Medical Center, Department of Dermatology collaborating with Samsung Genomic Institute to profile colorectal cancer and interactions between immune cells and the TME utilizing scRNAseq and spatial transcriptomics platforms.

 

Dr. Kim now focuses on the role of regulatory T cells in disease and his goal is to leverage cutting-edge immune platforms with domain expertise in biology and immunology to better define human disease for more accurate and effective diagnosis and treatment.

Full-time · Post-Docs

Hyunsung Nam / 남현성 Ph.D.

Hyunsung pursued his BS and ph.D degrees in Chemistry at Seoul National University, specializing in drug discovery and microbial peptide-modifying enzymes. With a keen interest in various biochemical topics, he recently joined here to learn about multiomics, which is rapidly becoming a new gold-standard method. His ultimate goal is to modify skin-resident bacteria, and he is racing down the research track like a runaway locomotive. In his free time, he enjoys playing futsal with friends and sharing stories about life.

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Brian Lee / 이효형 Ph.D.

Brian graduated from the University of North Carolina at Chapel Hill in 2016 with a degree in economics. Brian worked from 2017-2022 in New York at the Human Immune Monitoring Center (HIMC) at the Icahn School of Medicine at Mt. Sinai where he led the CyTOF platform working with multi-academic and industry collaborators for designing and optimizing CyTOF translational and clinical studies. He also led the development of computational tools for data processing and analysis of CyTOF and imaging CyTOF datasets. He is now  researching the development and commitment of precursor cells into the various T cell lineages in the thymus and their role in cancer and various auto-immune diseases. In his free time, Brian likes to hike and watch movies.

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Soyoung Jeong / 정소영 Ph.D.

Soyoung graduated with a BS majoring in microbiology & immunology from McGill University. She completed her Master's at Seoul National University studying antibiotic-resistant bacterial infections. She worked for two years at CJ Cheiljedang working on microbiome based live biotherapeutic product development using high throughput screening tools. She then obtained her Ph.D. degree in the Department of Biomedical Sciences at SNU. She is now building a single-cell atlas of chronic inflammatory skin diseases and studying the role of immune cells in these diseases using multiomics approaches. In her free time, she likes to travel.

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Christine Suh-Yun Joh / 조서연 Ph.D.

Christine graduated from the University of Texas at Austin in 2019 with a BSA in Biology/Biological Sciences and BA in Music (Piano). For two years during and after her undergraduate studies, she worked as a clinical assistant at a clinic that primarily served patients with allergies and asthma. She is currently studying the immunopathomechanism of various autoimmune diseases, including Inflammatory Bowel Disease (IBD), hidradenitis suppurativa (HS), Systemic lupus erythematosus (SLE), in the molecular and cellular levels. Christine loves cuddling with her dog in her spare time. 

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Minji Kang / 강민지 Ph.D.

Minji Kang graduated with a degree in Bionanotechnology from the University of Gachon while working at a pharmaceutics lab researching synthesis of lipid nano particles. She is now studying transplantation immunology, allergic immunology and tumor immunology using multiomics. In her free time, she likes to play games and binge Netflix shows. 

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Full-time · Graduate Students

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​Young Joo Baik / 백영주

After graduating from the Department of Biomedical Sciences at CHA University, Young Joo Baik received her Master's degree from the Department of Biomedical Sciences at Seoul National University's College of Medicine. Currently, her main research interests are the immune system of eosinophilic duodenitis, tonsillitis, alopecia areata and skin organoid. 

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Sowon Choi / 최소원 M.S.

After graduating from the department of biosystems and biomedical sciences at Korea University, Sowon Choi received her Master's degree at Seoul National University studying autoimmune disease and transplantation immunology. She then worked at Autotelic Bio where she studied anti-cancer therapeutics with ASO and small molecule modalities. Now she is interested in minimal change disease(orphan kidney disease) and auto-immune diseases. In her free time, she likes to go camping with her husband.  

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​Sojung Choi / 최소정

Sojung Choi graduated from Department of Bio and Fermentation Convergence Technology in  Kookmin University.

Her research interests are immune mechanism of skin disease and atopic mouse models. In her free time she likes to go bowling.
 

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​HyoJeong Nam / 남효정

HyoJeong Nam graduated with a degree in genetic engineering from the Kyung Hee University in 2021. She is now researching the transcriptomic and epigenetic signatures of regulatory T cells in human acute and chronic inflammatory diseases. From January 2025, she has been a researcher at the Human Immune Monitoring Center (HIMC) at Mount Sinai. In her free time, HyoJeong likes to watch movies and hang out with friends.

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Jungho Lee / 이정호

Jungho Lee graduated with a degree in Animal Science and Technology from the Chung-ang University. He is now researching T cell activation in various autoimmune diseases and interactions between Treg and effector T cells. From January 2025, he has been a researcher at Harvard University, studying NK cell function in endometriosis. In his free time, Jungho likes to read books. 

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Geon Woo Park / 박건우

Geon Woo Park graduated with a degree in Chemical Engineering from the Sungkyunkwan University in 2022. He is particulary interested in cancer immunology, focusing on identification of Treg and other immune cell functions in various cancer types through single cell genomics-based analysis. In his free time, Geon Woo enjoys going out for a walk with his dog, Louis. 

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Hyun Seung Choi / 최현승

Hyunseung Choi graduated from the department of Biology at Kyung Hee University in 2022. Currently he is studying the heterogenous function and interaction of various cell types in tumor microenvironment using single-cell RNA Sequencing (scRNA-seq) and T cell receptor (TCR) clonal analysis. Hyunseung likes to go to cafés in his spare time.

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Hayeon Shin / 신하연

Ha Yeon Shin graduated with a degree in Life Sciences from Chung-ang University in 2022. She is currently interested in researching pathology and immunology of autoimmune diseases such as alopecia areata (AA) and thyroid cancer and conducts studies on them using multiomics tools. She likes to read novels and go hiking in her free time. 

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​Dong Jun Kim / 김동준

Dong Jun Kim graduated with a degree in Integrative Biotechnology from  Sungkyunkwan University in 2023. He is particulary interested in autoimmune diseases, focusing on T cell network and its potential therapy through single cell genomics. Dongjun participates in a book reading group in his free time.

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Yewon Moon / 문예원

Yewon moon graduated from Department of Life Science and Chemistriy in Sahmyook University.
Her research interests are immune cell interaction with Treg in cancer and autoimmune disease. In her free time she likes to go to cafes with her friends.

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Chaeyoon Kim / 김채윤

Chaeyoon graduated with a Bachelor’s degree in Microbiology & Immunology from McGill University in 2021. For two years during and after her undergraduate studies, she participated in and led research projects investigating SARS-CoV-2 and SFTSV specific- T cell responses at KAIST and Institute for Basic Science. She is interested in investigating the role of regulatory T cells in various autoimmune diseases and their functions in the tumor microenvironment. She likes to watch movies and to go out with her friends during her spare time.

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Sanha Hwang / 황산하

Sanha graduated from Chung-ang University in 2023 with a degree in Animal Science Technology and Biomedical Engineering. He is currently involved in researching cancer invasion and immune diseases, utilizing multi-omics tools for his work. His aim is to assist in the fight against cancer by discovering biomarkers that could lead to new treatments. Outside of his research, Sanha enjoys traveling and has a love for animals, often volunteering in his free time.

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Yongjun Kim / 김용준

Yongjun graduated with a degree in genetic engineering from the Kyung Hee University in 2023. He is currently engaged in researching the pathology and immunology of autoimmune diseases, specifically focusing on conditions such as Systemic Lupus Erythematosus (SLE) and Kidney disease. His studies involve the use of multiomics tools to explore these complex disorders. In his free time, he enjoys taking photos with a film camera.

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Taeeun Gu / 구태은

Taeeun completed her Bachelor's degree in Systems Biotechnology at Konkuk University in 2022. Throughout her university years and even after graduation, she worked as a researcher at Selecxine, a company specializing in the development of anti-cancer immunotherapy drugs. Her primary focus involved utilizing phage display techniques with the scFv phage library to identify therapeutic antibodies. Furthermore, Taeeun conducted drug efficacy tests, emphasizing Treg cells in cynomolgus monkeys' PBMCs, following the administration of a new drug candidate. Her main interest lies in tumor immunology, and she is particularly passionate about discovering new treatment targets to contribute to drug development. Taeeun loves both knitting and drawing in her free time.

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SeungMin Cha / 차승민

SeungMin Cha graduated with a degree in Stem Cell and Regenerative Biotechnology from Konkuk University in 2024. He is particulary interested in the molecular mechanisms related to the metabolism of regulatory T cells in autoimmune diseases and tumor microenvironments. He enjoys watching soccer in his free time and is a big fan of Manchester United.

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Kiwan Kwon / 권기완

Kiwan Kwon graduated from Stony Brook University in 2017 with a Bachelor of Science degree in Computer Science. With a diverse background spanning roles in research centers, consulting industries, and prominent big data companies, he has amassed extensive experience in the field of data science. Currently, Kiwan is actively pursuing opportunities to contribute his expertise to the biomedical field, with a keen focus on the integration of artificial intelligence technologies to drive innovation and transformative discoveries. His passion for applying cutting-edge AI solutions to address challenges in bioinformatics underscores his commitment to making a tangible impact on society.
Outside of his professional endeavors, Kiwan enjoys hobbies such as traveling, photography and honing his skills as a violinist during his leisure time.

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Joonsoo Park / 박준수

Joonsoo Park is a Ph.D. student at Seoul National University, where their research focuses on developing AI methods for multi-omics data analysis. Park earned a bachelor’s degree in Semiconductor Systems Engineering from Sungkyunkwan University in 2014 and a master’s degree in Artificial Intelligence from Seoul National University.

Prior to graduate studies, Park worked as a researcher at Samsung Electronics’ Semiconductor Research Center, contributing to the development of next-generation FinFET technology and advanced CMOS image sensors (CIS). Building on this engineering background and a longstanding interest in medicine, Park now pursues research at the intersection of artificial intelligence and biomedical data science, with the goal of advancing the understanding of complex biological systems and contributing to human health and well-being.

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Dongryeol Shin / 신동렬

Dongryeol Shin graduated from the Department of Biology at Kyung Hee University in 2023. He is focused on neuro-immunology and cardiac immunology in his lab, where he conducts multi-omics research in these areas. Additionally, he is interested in autoimmune diseases and actively pursues research in this field. His hobby is playing League of Legends, where he has reached the Master tier on the Korean server.

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Eunhye Yoon / 윤은혜

Eunhye Yoon graduated with a degree in Biotechnology from Korea University in 2024. With a strong interest in immunology and a curious mind, she is currently studying the immunopathogenesis of the thymus, placenta, and IBD using advanced multi-omics approaches. Driven by a passion to decode the immune system’s complexities, she believes that a deeper understanding of immunopathogenesis will pave the way for novel therapeutic approaches. In her free time, Eunhye enjoys walking her dog, Coco, and playing strategy games.

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Byeong Heon Park / 박병헌

I graduated from the Department of Animal Science and Technology at Chung-Ang University. After graduation, I worked for a year at the Zebrafish Translational Medical Research Center. I have since developed an interest in Treg and scRNA-seq, which has brought me to my current position. In my free time, I love leading people as a scuba diving instructor, enjoy road cycling, and downhill longboarding. I often indulge in simulation circuit racing, and I am an expert in repairing electronic devices. I am a proud cat owner of two and enjoy setting up and maintaining aquariums.

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Alumni

Ph.D. Graduates
M.S. Graduates
Researcher 
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Karoliina Ruhno

/ 카롤리나

M.S. 

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Jasper Roldan T. Go / 고재스퍼

M.S. 

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Hyeewon Seo

/ 서혜원

M.S. 

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Juyoung Jin

/ 진주영

M.S. 

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Soyoung Jeong

/ 정소영

Ph.D.

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Brian Lee

/ 이효형

Ph.D.

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Minji Kang

/ 강민지

Ph.D.

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Christine Suh-Yun Joh / 조서연

Ph.D.

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Jaecheon Ko

/ 고재천

M.D.

Physician-Scientists, Lab Staff & Co-supervised Students

Research Professor

정현우 (Hyunwoo Chung, Ph.D.)
Research Professor. Ph.D. in Biomedical Sciences, Seoul National University; formerly a visiting fellow at the National Institute of Allergy and Infectious Diseases (NIAID), NIH.

 

Full-time physician-scientist trainee

오재익 (Jae-Ik Oh, M.D.)
Internal medicine (nephrology). Selected for the full-time graduate physician-scientist training support program in July 2026.

 

Part-time graduate students

Enrolled

  • 오진미 — Ph.D. student, Department of Translational Medicine (entered 2025)

  • 정종욱 (Jong Wook Jung, M.D.) — Integrated M.S./Ph.D. student, Department of Translational Medicine

  • 이원익 (Wonik Lee, M.D.) — Department of Biomedical Sciences; Orthopedic Surgery

  • 온동석 (Dong Seok Ohn, M.D.) — Neurology

  • 노원준 (Won Jun Noh, M.D.) — Otorhinolaryngology

Applicants for 2027 entry, Department of Translational Medicine (admission pending)

  • 장예나 (Yena Jang, M.D.) — Internal Medicine

  • 송재룡 (Jae Ryong Song, M.D.) — Ophthalmology

  • 허지원 (Ji Won Heo, M.D.) — Ophthalmology

  • 남혜미 — Ph.D. applicant

 

Lab administration

한가온
Research administration: grant management, budget planning and reporting.

 

정유정
Research finance: purchasing, payments and collaborative research settlements.

 

강지윤
Administrative support: expenses, travel and compliance.

 

Co-supervised students

  • 조민정 — Ph.D. student, Interdisciplinary Program in Tumor Biology (joined March 2026). Co-supervised with Prof. Yoo Hyung Kim (Division of Endocrinology and Metabolism, Department of Internal Medicine, Seoul National University Hospital).

  • 구현아 (Hyunah Ku) — Ph.D. student, Department of Biomedical Sciences; immunology of kidney diseases including lupus nephritis. Co-supervised with Prof. Sehoon Park (Department of Internal Medicine, Seoul National University Hospital).

  • 윤지상 — Graduate student, Department of Translational Medicine (part-time; dermatologist). Co-supervised with Prof. Seon-Pil Jin (Department of Dermatology, Seoul National University Hospital).

  • 유지윤 — Graduate student, Department of Biomedical Sciences. Co-supervised with Prof. Seon-Pil Jin (Department of Dermatology, Seoul National University Hospital).

  • 이은정 — Graduate student, Department of Biomedical Sciences. Co-supervised with Prof. Seon-Pil Jin (Department of Dermatology, Seoul National University Hospital).

  • 이나윤 (Nayoon Lee) — Ph.D. student, Department of Medicine (entered 2025). Co-supervised with Prof. Sung-Min Kim (Department of Neurology, Seoul National University Hospital).

  • 최예지 (Yeji Choi) — Integrated M.S./Ph.D. student, Department of Biomedical Sciences (entered fall 2025). Co-supervised with Prof. Sang-Yeon Lee (Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University Hospital).

  • 서동민 — Graduate student, Department of Biomedical Sciences. Co-supervised with Prof. Jang Hee Han (Department of Urology, Seoul National University Hospital).

  • 이아림, 신민철 — Incoming graduate students (Department of Biomedical Sciences). Co-supervised with Prof. Jang Hee Han (Department of Urology, Seoul National University Hospital).

 

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International Collaborators

Prof. Sabine Tejpar — KU Leuven, Belgium

Prof. Tamás Korcsmáros — Imperial College London, UK

Prof. Kazuhiko Yamamura — Kyushu University, Japan

Prof. Sarah A. Teichmann — University of Cambridge, UK

Prof. Ulrich H. von Andrian — Harvard Medical School, USA

Prof. Matthias Zilbauer — University of Cambridge, UK

Prof. Jay W. Shin — Genome Institute of Singapore (A*STAR), Singapore

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Institutional Collaboration

Human Immune Monitoring Center (HIMC), Icahn School of Medicine at Mount Sinai, USA — Institution-level collaboration on high-dimensional immune profiling. Training record: 13 short-term trainees; 남효정, long-term researcher at HIMC since January 2025.

SNU LIT - Lab of Immune Tolerance

©2026 by SNU LIT - Lab of Immune Tolerance. 

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