Founder Directory
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Founders3
Known for these resultsRole67%Role is parsed from founder titles in yc.db. Known for 67% of these rows — the rest have no title at all, mostly 2019–2023. Those rows stay in the result and are counted as Unknown, never as No.Bio100%Bio coverage: 100% of these founders have a bio on their YC profile. Every bio-derived facet (ex-company, school, credentials, discipline) is Unknown for the rest.Ex-company0%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 0% of these rows have at least one match.School100%School is matched from bios, case-sensitive for acronyms. 100% of these rows have at least one match.
- Derek ModzelewskiFounder/CTO · RewbiS24Industrials · San Francisco
- Thomas MargeFounder/CEO · RewbiS24Industrials · San Francisco
- Thomas MargeFounder · inBalanceW21Industrials · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Derek ModzelewskiRewbiFounder/CTOSummer 2024IndustrialsSan Francisco, United States3—Thomas MargeRewbi2× YCFounder/CEOSummer 2024IndustrialsSan Francisco, United States3—Thomas MargeinBalance2× YCFounderWinter 2021IndustrialsSan Francisco, United States10—
Showing 1–3 of 3 founders
Derek Modzelewski
Founder/CTO·Rewbi
PRIMARY INFO
RoleFounder/CTO
Team size3
BatchSummer 2024
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Ex. Meta and Adept | Combining AI and energy commodity trading experience to make our power grids more stable. Placed first energy commodity trades 10 years ago. Adept’s first technical hire; his AI models were used to raise over $400m in capital. Previously worked with early foundation models at Meta as an ML engineer. Holds a Masters in C.S. and B.S.E. in C.S. Applied Mathematics from Johns Hopkins, graduating early.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
Credentialsnone mentioned
DisciplineEngineerKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
RewbiA stealth mode startup.
Co-foundersThomas Marge
