Hi, I'm Christian Yongwhan Lim,

Owner of

Main

Teaching

Internship Manager @ ICPC Foundation
Leadership Team Member @ ICPC North America
Co-Lead
- Competitive Learning Institute (CLI) Symposium at ICPC World Finals (w/ Tomas Cerny)
- Curriculum Committee at ICPC North America (w/ Etienne Vouga)
- New Coaches Committee at ICPC North America
Operations Team Member
- ICPC World Finals
- ICPC North America Championship (NAC)
Trainer @ ICPC North America Programming Camp (NAPC)
Judge
- ICPC North America Qualifier (NAQ)
- ICPC North America Regionals
  - Mid-Central (Regional Contest Director [RCD]: Ed Corwin)
  - North-Central (RCD: Simanta Mitra)
  - Southern California (RCD: Jaime Cabrera)
Site Director @ ICPC North America Regional at Greater New York
Head Coach @ Columbia University

Owner of Christian and Grace Consulting LLC (Software Education Consulting) @ 4/2023 -
Senior Quantitative Software Engineer at Two Sigma Investments @ 7/2022 - 2/2023
Research Software Engineer at Google Research @ 10/2016 - 6/2022

Associate in Computer Science at Columbia University @ Spring 2022 -
- Advanced Topics in Competitive Programming (w/ Josh Alman)
- Competitive Programming
- Technical Interview Preparation in C++
- SHAPE (Summer High School Academic Program for Engineers)
- SHP (Science Honors Program)
Visiting Instructor at Cornell Tech @ 8/2022 -
- Special Workshop Series in Technical Interview Preparation
- Deep Learning (Co-instructor)
Lecturer at Massachusetts Institute of Technology @ 6/2022 - 5/2023

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);

2024 ICPC NAC Silver Medalist Team (3rd Place) from ICPC North America @ May 2024
Excellence in Leadership Award from ICPC North America @ May 2023