/People

Derek Modzelewski

InvestorFounder

CTO at Rewbi

San Francisco, California, United States

FoundedRewbi · YC

30 Under 30 2026 · Energy & Green Tech

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About

Derek Modzelewski previously worked as an ML engineer at Meta on foundation models and served as an early technical hire at Adept, where he developed AI models. He holds a Master's degree in Computer Science and a B.S.E. in Computer Science and Applied Mathematics from Johns Hopkins University, and has roughly a decade of experience in energy commodity trading.

CTO at RewbiYC S24

Intro paths

YC

Derek went through Y Combinator (Summer 2024) — any YC alum in your network can reach them through the YC community.

GP

Their group partner at YC was Nicolas Dessaigne, General Partner at Y Combinator — the partner who ran Rewbi's batch and knows the company first-hand. YC profile ↗

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In turn, Derek can intro founders to Rewbi's investors below.

Co-founders at Rewbi

Investments

Investor

Rewbi

Per curated public sources.

Frequently asked questions

Who is Derek Modzelewski?
Derek Modzelewski previously worked as an ML engineer at Meta on foundation models and served as an early technical hire at Adept, where he developed AI models. He holds a Master's degree in Computer Science and a B.S.E. in Computer Science and Applied Mathematics from Johns Hopkins University, and has roughly a decade of experience in energy commodity trading.
Where does Derek Modzelewski work?
Derek Modzelewski is CTO of Rewbi.
What companies did Derek Modzelewski found?
Derek Modzelewski founded Rewbi.
What companies has Derek Modzelewski invested in?
Investments tracked here include Rewbi.

Founder mafias

About this profile. Compiled from public sources — Rewbi's own website and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights