CV
Research Interests
Chromatic homotopy theory and algebraic K-theory. See the research page for more.
Education
- 2019–present · Ph.D. in Mathematics, Columbia University
- Advisor: Andrew Blumberg
- On leave for military service, Summer 2020 – Summer 2023
- 2019–2020 · M.A. in Mathematics, Columbia University
- 2015–2019 · B.S. in Mathematics, Pohang University of Science and Technology (POSTECH)
- Graduated with the highest honors
Seminars Organized
All at Columbia University. See the seminars page for details.
- Spring 2026 · Manifolds and Homotopy Theory, with Azélie Picot and Carlos Alvarado
- Fall 2025 · Chromatic Homotopy Theory, with Azélie Picot and Carlos Alvarado
- Spring 2025 · Learning Seminar on Prismatic Cohomology, with Vidhu Adhihetty
- Fall 2024 · Learning Seminar on Stable Homotopy Theory
Conferences and Summer Schools Attended
See the travel page for more.
- Jul. 2026 · Homotopy Theory, Derived Categories, and Quadratic Forms, Lens
- Jun. 2026 · European Talbot 2026, Kolding
- Sep. 2025 · European Autumn School in Topology 2025, Utrecht
- Jun. 2025 · Masterclasses on Arithmetic and Homotopy Theory, Copenhagen
- Dec. 2024 · SLMath Hot Topics: Life after the Telescope Conjecture, SLMath
- Nov. 2024 · AMTRaK: Dualizable Categories and Continuous K-Theory, Johns Hopkins University
- Nov. 2024 · Midwest Topology Seminar, University of Chicago
- Aug. 2024 · Young Topologists Meeting 2024, University of Münster
- Jul. 2024 · PCMI 2024 Graduate Summer School: Motivic Homotopy Theory, PCMI
- Mar. 2024 · Workshop on p-adic Arithmetic Geometry (Spring), IAS
- Mar. 2024 · Mid-Atlantic Topology, Northeastern University
Teaching
Columbia University — Graduate Teaching Assistant, 2019–present
- Spring 2026 · Introduction to Modern Algebra I
- Fall 2025 · Calculus II
- Spring 2025 · Calculus III
- Fall 2024 · Linear Algebra
- Spring 2024 · Linear Algebra; Algebraic Number Theory (graduate course)
- Fall 2023 · Complex Variables
Columbia University — Directed Reading Program, Graduate Mentor, 2024–present
- Fall 2024 · Fundamental group and covering spaces (Keir Dorchen)
- Spring 2024 · De Rham cohomology (Zoe Curewitz)
POSTECH — Undergraduate Teaching Assistant and Tutor, 2016–2018
- Fall 2018 · Differential Equations (teaching assistant)
- Spring 2018 · Probability and Statistics (teaching assistant)
- 2017–2018 · Abstract Algebra I (tutor)
- 2016–2018 · General Topology (tutor)
- Spring 2017 · Calculus (tutor)
See the teaching page for details.
Honors and Fellowships
- 2019–present · Graduate Student Scholarship, Kwanjeong Educational Foundation
- 2017–2019 · Undergraduate Scholarship, Korea Foundation for Advanced Studies (KFAS)
- 2015–2019 · Presidential Fellowship, Program for Highly Dedicated Students, POSTECH — sole recipient from the class of 2019
- 2015–2019 · National Scholarship for Science and Engineering, Korea Student Aid Foundation (KOSAF)
Professional Experience
- 2020–2023 · Machine Learning Researcher, ScatterLab, Seoul, Korea
- Research on large language models and text-to-image diffusion models
- Served as Research Personnel (alternative military service)
Service
- 2025–2027 · President, Columbia KSEA (Korean-American Scientists and Engineers Association)
Languages
Korean (native), English (fluent)
