Derek Modzelewski
InvestorFounderCTO at Rewbi
San Francisco, California, United States
FoundedRewbi · YC
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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
Derek went through Y Combinator (Summer 2024) — any YC alum in your network can reach them through the YC community.
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 ↗
In turn, Derek can intro founders to Rewbi's investors below.
Rewbi's investors · 12
Co-founders at Rewbi

Investments
Investor
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
Y Combinator mafia10,594
Also came through, then founded or led a company.
Microsoft mafia1,488
Also came through, then founded or led a company.
Meta mafia336
Also came through, then founded or led a company.
Meta mafia308
Also came through, then founded or led a company.
The Johns Hopkins University mafia222
Also came through, then founded or led a company.
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



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