Taehyeon Koo
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I am a Postdoctoral Researcher at the Columbia University Mailman School of Public Health, where I am fortunate to be mentored by Professors Elizabeth Stuart, Kara Rudolph, and Caleb Miles. I obtained my Ph.D. in Statistics from Rutgers University in 2025 under the supervision of Professors Zijian Guo and Nicole Pashley. Previously, I earned my master's degree in Statistics from Seoul National University in 2020 and my bachelor's degree in Mathematical Science from the same institution in 2018. I am on the 2026–27 academic job market.
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Research Interests
I am broadly interested in developing statistical methodology for causal inference and experimental designs, with particular emphasis on:
Partial identification and sensitivity analysis
Non-standard inference
Distributionally robust optimization
Design and analysis of randomized experiments
News
Preprint: Causal Effects of Modified Treatment Policies under Positivity Violations: A Partial Identification Approach on arXiv.
Preprint: Synthetic Control with Weight Uncertainty: Robust Identification and Statistical Inference on arXiv.
Education
Ph.D. in Statistics, Rutgers University, May 2025.
M.S. in Statistics, Seoul National University, Feb 2020.
B.S. in Mathematical Science, Seoul National University, Feb 2018.
Honors and Awards
ASA Early Career Travel Award, Joint Statistical Meeting (JSM) 2025, Aug 2025
Student Travel Award, ASA/IMS Spring Research Conference (SRC) 2025, Jun 2025
Best Ph.D. Qualifying Exam Performance, Department of Statistics, Rutgers University, Sep 2021
Contact
Email: tk3077 [at] cumc [dot] columbia [dot] edu