Guan-Chen Chen

Tommy Chen (Guan-Chen Chen) is a software engineer at Google Taiwan and a 2020 IOI silver medalist representing Taiwan. He studied computer science at National Taiwan University and previously worked as a software engineer at Kronos Research in Taipei (Sep 2023 - Feb 2024).

Notes9

• Quant employment verification: CONFIRMED. Guan-Chen Chen held an actual software engineering role (not a student program) at Kronos Research, Taipei, Sep 2023 - Feb 2024 (~6 months), per his LinkedIn experience section; identity is supported by the GitHub/LinkedIn/site cross-link loop above. Employer classification: Kronos Research is a proprietary quantitative trading / crypto high-frequency trading and liquidity firm (founded 2018), per its own site describing 'tech-driven quantitative trading and liquidity solutions across digital asset markets' and 'a global quantitative trading firm operating across 40+ exchanges' - i.e. a genuine quant-finance employer, though his role title is Software Engineer, not a trading/quant-strategy title. No other quant-finance employer (bank, asset manager, energy/crypto trading desk) appears in his public history.Feb 2024
• Identity confirmed by a cross-linked loop: IOI stats lists Codeforces handle ToMmyDong; CP Hall of Fame ties ToMmyDong to IOI profile 7289 (Chen, Guan-Chen / Taiwan); the GitHub account dl8sd11 shows name 'Tommy Chen', company 'Google', location 'Taiwan', and the exact LinkedIn handle in/guan-chen-chen-941b391b9; and tommydong.live self-describes as Tommy Chen at Google Taiwan. The GitHub/LinkedIn/site loop makes the identity robust rather than name-matched.Sep 17, 2026
• Current role: Software Engineer at Google (Taiwan), from Feb 2024, per LinkedIn experience. His own blog corroborates: 'I am Tommy Chen, a enthusiastic programmer working at Google Taiwan.' Current employment is stated in an updated profile + self-authored site, not inferred from a stale index.Sep 17, 2026
• IOI 2020 silver medal representing Taiwan, rank 46, 421.62/600 points; later work used the Codeforces handle ToMmyDong (rating ~2300) and the name 陳冠辰. Educational background: National Experimental High School at Hsinchu Science Park (science class) then National Taiwan University computer science (first-year in 2020).Sep 19, 2020
• Technical depth beyond coursework: upstream LLVM contributions under dl8sd11, including a clang-tidy / clang-tools-extra patch excluding CXXParenListInitExpr (Sep 2024) and a follow-up on precision handling (Mar 2025) - consistent with a compiler-tooling / systems engineering profile, not a quant-strategy one.Sep 25, 2024
• Between the quant role and Google the path is Taipei-local and engineering-titled throughout (AICS 2022-2023 software engineer, Kronos Research 2023-2024 software engineer, Google 2024-), which suggests the Kronos stint reads as a software engineering job at a crypto trading firm rather than a quant research/trading-track role.Feb 2024
• Public-writing / blog footprint: personal site tommydong.live (Hugo 'Bear' theme) and hackmd.io/@ToMmyDong notes, including TOI 2021 talk slides on competition mindset and 2022 YTP CMS/TPS tooling write-ups - i.e. his public output is competitive-programming and software tooling, with no finance/trading writing found.Sep 23, 2022