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Thomas Marge

InvestorFounder

CEO at Rewbi · Founder at inBalance

San Francisco, California, United States

FoundedinBalance · YCRewbi · YC

30 Under 30 2026 · Energy & Green Tech

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About

Thomas co-founded inBalance, a Y Combinator-backed battery storage optimization company that was acquired by Stem in 2023. He holds a master's degree in Applied Mathematics and undergraduate degree in Pure and Applied Mathematics from Johns Hopkins, and completed doctoral coursework in Pure Mathematics at University of Cambridge before pursuing entrepreneurship.

CEO at RewbiYC S24

Intro paths

YC

Thomas 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, Thomas can intro founders to Rewbi's investors below.

Rewbi's investors · 12

Aera VCSingapore · $25K – $5M checksAgrolimen VenturesCollaborative FundNew York · $500K – $1M checksGeneral CatalystSan Francisco · $30M checksGreat Wave VenturesNew York · $250K – $1M checksMaiora Rebel VenturesOlive Tree CapitalBostonOrange CollectiveDanvilleRebel FundSan Francisco · $100K – $5M checksSand Hill North VenturesMontrealSurgePoint AngelNew YorkY CombinatorSan Francisco · $500K checks · since 2024

Co-founders at Rewbi

DMDerek Modzelewski
Derek ModzelewskiCTO

Founder at inBalanceYC W21

Intro paths

YC

Thomas went through Y Combinator (Winter 2021) — any YC alum in your network can reach them through the YC community.

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In turn, Thomas can intro founders to inBalance's investors below.

inBalance's investors · 11

A-Level CapitalBaltimore · $40K – $100K checks · since 2020Agrolimen Venturessince 2020Emles Advisorssince 2020Emles Venture PartnersNew York · since 2020ImmeasurableLos Angeles · $25K – $100K checks · since 2020Knockout CapitalSan Francisco · since 2020Lorimer VenturesBrooklyn · $50K – $300K checks · since 2020Moderne VenturesChicago · $100K – $7M checks · since 2020StarshotLos Angeles · since 2020WefunderSan Francisco · since 2020Y CombinatorSan Francisco · $500K checks · since 2021

Co-founders at inBalance

EF
Edwin FennellDirector
RT
Rajan TrollDirector

Investments

Investor

Rewbi

Per curated public sources.

Frequently asked questions

Who is Thomas Marge?
Thomas co-founded inBalance, a Y Combinator-backed battery storage optimization company that was acquired by Stem in 2023. He holds a master's degree in Applied Mathematics and undergraduate degree in Pure and Applied Mathematics from Johns Hopkins, and completed doctoral coursework in Pure Mathematics at University of Cambridge before pursuing entrepreneurship.
Where does Thomas Marge work?
Thomas Marge is Founder of inBalance and CEO at Rewbi.
What companies did Thomas Marge found?
Thomas Marge founded inBalance, Rewbi.
What companies has Thomas Marge invested in?
Investments tracked here include Rewbi.

Founder mafias

The Peabody Institute of The Johns Hopkins University mafia2

Also came through, then founded or led a company.

Ethan SiegelFounded Genhealth

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