UC Berkeley
Aug 2021 — Dec 2025
About
I am the co-founder and CTO of Inferact, a startup advancing the frontier of AI inference. I co-created and now co-lead the vLLM project, a widely-adopted open-source inference engine for LLMs.
Education
Seoul National University
Mar 2015 — Aug 2021
B.S. in Computer Science and Engineering
B.S. in Mathematical Sciences
GPA: 4.18 / 4.30 (Rank: 1st / 134)
Includes 2 years of mandatory military service
B.S. in Mathematical Sciences
GPA: 4.18 / 4.30 (Rank: 1st / 134)
Includes 2 years of mandatory military service
Experience
Inferact
Nov 2025 — Present
Co-founder and CTO
Thinking Machines Lab
May 2025 — Nov 2025
Member of Technical Staff
Google DeepMind
Mar 2024 — May 2025
Research Scientist
Awards
Sequoia Open Source Fellows
2024
a16z Open Source AI Grant
2023
KFAS Scholarship
2021 — 2025
Full tuition and stipend for PhD study