Christian Yongwhan Lim
People

Mentorship

Most of the people below came to me through a Columbia course, an ICPC team, or the ICPC internship program. It’s the most rewarding work I do — the ICPC has recognized it twice with the Outstanding Mentorship Award (Quatrefoil Medal).

Public Impact Record

Scope first · complete directory below
People 103

mentees in the public record

Documented across courses, ICPC teams, and foundation programs.

Accountability 93

current placements checked

Matched to public profiles; ambiguous records remain explicitly unverified.

Reach 7

institutions represented

Led by Columbia, with records from Cornell Tech, Stanford, CMU, MIT, USC, and KAIST.

Recognition 2×

Outstanding Mentorship Award

Back-to-back Quatrefoil Medals from the ICPC Challenge community.

Recent Outcomes

International Olympiad in Informatics · 2026
Bronze · IOI 2026

Faisal Saqib — Team Pakistan

Mentored Faisal in preparation for the 2026 International Olympiad in Informatics, where he earned Pakistan’s bronze medal in Tashkent.

The official IOI record confirms the medal; Faisal publicly credited Abdul Malik Nurrokhman and Christian Yongwhan Lim for coaching and mentorship.

Reach by Institution

103 people · seven institutions
Complete evidence

Mentorship Archive

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The summary above describes scale; this searchable record preserves the names, periods, and sourcing behind it.

Browse all 103 mentorship records Names · institutions · periods · verified placements

Names, institutions, periods, and independently verified placements.

A note on accuracy. I list a current role only when I could match it to a public profile with confidence — anything ambiguous is marked unverified rather than guessed. Last checked July 2026.
Name Institution Mentorship period Verified current placement