Christian Yongwhan Lim

Hi, I'm Christian Yongwhan Lim!

Adjunct Associate Professor of Computer Science, Columbia University
Internship Manager, International Collegiate Programming Contest (ICPC) Foundation
Chair of Competitive Learning Institute (CLI) Symposium, ICPC World Finals at Baku
Editor, Journal of Competitive Learning (JCL)
Head Coach, Columbia ICPC Team
Chief Judge, ICPC North America Mid-Central Regional

Selected Professional Experiences

Senior Quantitative Software Engineer at Two Sigma Investments @ 7/2022 - 2/2023
Research Software Engineer at Google Research @ 10/2016 - 6/2022

Selected Teaching Experiences

Adjunct Associate Professor of Computer Science at Columbia University @ Spring 2025 -
- Competitive Programming [NEW! Syllabus]
Associate in Computer Science at Columbia University @ Spring 2022 - Fall 2024
- Advanced Topics in Competitive Programming (w/ Josh Alman)
- Competitive Programming
Lecturer at Massachusetts Institute of Technology @ 6/2022 - 5/2023

Selected Awards

[10/2024] Outstanding Mentorship Award - Quatrefoil Medal (Issued by Huawei, ICPC Challenge powered by Huawei)
[5/2024] Coach: 2024 ICPC North America Championship Silver Medalist Team (3rd Place) (Issued by ICPC North America)
[5/2023] Excellence in Leadership Award (Issued by ICPC North America)

Education

Massachusetts Institute of Technology (PhD entered in '13, but on leave-of-absence) @ 9/2013 - 1/2016
- Advisor: Asuman Ozdaglar
Stanford University (BS '11 in Math + CS [double major]; MS '13 in CS) @ 9/2007 - 1/2013
- Advisors: Fei-Fei Li (CS); Persi Diaconis (Math);

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