Jaemin Lee is an assistant professor of sociology at the Chinese University of Hong Kong. Professor Lee is a co-theme leader (socio-spatial networks) of the Computational Social Science Laboratory at CUHK. Prior to joining CUHK, he was a Postdoctoral Research Associate at Northeastern University's Network Science Institute and D'Amore-McKim School of Business. He obtained a PhD in sociology from Duke University and a BA and MA in sociology from Yonsei University. Dr. Lee uses quantitative and computational methods to study the network underpinnings of intergroup relations and social diffusion in the political, economic, and organizational contexts. His research address substantive topics such as political polarization, friendship segregation, product diffusion, and social capital of microfinance groups and has appeared in the Proceedings of the National Academy of Sciences (PNAS), Child Development, Journal of International Development, and International Journal of Sociology and Social Policy. His current project on revealing the common ground of partisans in Twitter has been supported by a grant awarded from Hong Kong Research Grants Council (HK$956,400). His dissertation work has been recognized by an Outstanding Dissertation-in-Progress Award by the American Sociological Association’s Mathematical Sociology Section. You can find a CV and his profile page at CUHK's sociology department.





  • NEWS

    2019 December

    • I have accepted an assistant professor position in the Department of Sociology at the Chinese University of Hong Kong. I will begin my new job in June, 2020!

    2019 August

    • Presented "A Consolidation Model of Political Polarization" at the ASA meeting in New York. 

    2019 May

    • Presented a poster titled "Peer Effect Heterogeneity in Product Adoption in a Large-scale Mobile Field Experiment" (with Christoph Riedl and David Lazer) at NetiSci 2019, Burlington, VT.

    2018 August

    2018 May



    Lee, Jaemin and Mudit Kumar Singh. 2023. "Expansion, cohesion and diversity: The network advantages of microfinance groups in Indian villages." Journal of International Development. online first. https://doi. org/10.1002/jid.3828


    Singh, Mudit Kumar and Jaemin Lee. 2020. “Social Inequality and Access to Social Capital in Microfinance Interventions” Journal of Sociology and Social Policy. 40(7): 575-588. https://doi.org/10.1108/IJSSP-01-2020-0024


    Trinh, Sarah L., Jaemin Lee, Carolyn T. Halpern, and James Moody. 2019. “Our Buddies, Ourselves: The Role of Sexual Homophily in Adolescent Friendship Networks.” Child Development 90(1): e132-e147 https://doi.org/10.1111/cdev.13052


    Bail, Christopher A., Lisa Argyle, Taylor Brown, John Bumpus, Haohan Chen, M. B. Fallin Hunzaker, Jaemin Lee, Marcus Mann, Friedolin Merhout, and Alexander Volfovsky. 2018. “Exposure to Opposing Views on Social Media Can Increase Political Polarization.” Proceedings of the National Academy of Sciences (PNAS) 155(37): 9216-9221 https://doi.org/10.1073/pnas.1804840115


    Lee, Jaemin and Jeonghan Kang. 2011. “지식생산의 구조와 이론사회학의 위상: 『사회와 이론의 키워드 네트워크 분석』2004~2010." [Mapping Knowledge Domains: The Structure of Knowledge Production and the Status of Theory in Sociology 2004-2010] 사회와이론 [Society and Theory] 19(2): 89-144. http://www.dbpia.co.kr/Journal/ArticleDetail/NODE02248730

    Work in Progress

    "The Value of Complex Contagions as a Seeding Strategy in Viral Marketing"

    "Disentangling Segregation and Conflict: Crowds, Race, and the Formation of Enmities in Adolescence"

    "The Social Origins of Political Polarization"



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    Duke University

    PhD 2018


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    Yonsei University

    BA 2009, MA 2012



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