About
Regina Lin is CEO and co-founder of Dex. She studied mathematics and computational science at Harvard, and previously co-founded Contour AI, an LLM evaluation devOps platform, while also contributing to e-commerce marketplace development and working in technology investment roles.
Founder at DexYC W25
Intro paths
Regina went through Y Combinator (Winter 2025) — any YC alum in your network can reach them through the YC community.
In turn, Regina can intro founders to Dex's investors below.
Dex's investors · 5
Co-founders at Dex
Experience
- ThirdLayer (YC W25)Co-Founder, CEOcurrent2025 — present
- various financial firmstech investing2023 — 2024
- Stealth Startupcofounder2023 — 2024
- Harvard UniversityMath 152 (discrete mathematics)2022 — 2024Cambridge, Massachusetts, United States
- BazarProduct2022 — 2023
- Epoch Performing ArtsFounder2017 — 2022
Skills & more
Languages Python · Spanish
From Regina's professional profile.
Frequently asked questions
- Who is Regina Lin?
- Regina Lin is CEO and co-founder of Dex. She studied mathematics and computational science at Harvard, and previously co-founded Contour AI, an LLM evaluation devOps platform, while also contributing to e-commerce marketplace development and working in technology investment roles.
- Where does Regina Lin work?
- Regina Lin is Founder of Dex.
- What companies did Regina Lin found?
- Regina Lin founded Dex.
- Where did Regina Lin go to school?
- Regina Lin studied at Y Combinator (W25); Harvard University (BA, Mathematics & Concurrent Master's in CSE); Massachusetts Institute of Technology (Cross-Registered (3 courses)).
Founder mafias
Y Combinator mafia8,773
Also came through, then founded or led a company.
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Y Combinator mafia4,716
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Massachusetts Institute of Technology mafia546
Also came through, then founded or led a company.
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Prod mafia15
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Same school
Also attended Y Combinator2,000
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Also attended Harvard University1,558
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Also attended Massachusetts Institute of Technology1,387
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Shared employers
Also worked at ThirdLayer (YC W25)2
Also worked at Stealth Startup351
+ 345 more
Also worked at Harvard University293
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