Founder Directory
Built by Keitoto
Founders41
Known for these resultsRole39%Role is parsed from founder titles in yc.db. Known for 39% 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.Bio83%Bio coverage: 83% 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-company20%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 20% of these rows have at least one match.School37%School is matched from bios, case-sensitive for acronyms. 37% of these rows have at least one match.
- Eric Nilsson@eric_nilsson_Founder/CTO · MeteoricS26Industrials · San Francisco
- Mete Karslioglu@MeteKarsli0gluFounder/CEO · MeteoricS26Industrials · San Francisco
- George RoseFounder/CEO · Rise ReformingS26Industrials · Chicago
- Jona van OordFounder/COO · Rise ReformingS26Industrials · Chicago
- Lucas ZubillagaFounder/CTO · Rise ReformingS26Industrials · Chicago
- Casey Spencer@recnepsyesacFounder/CEO · Voxel EnergyW26Industrials
- Evan SchmidtFounder/COO · Voxel EnergyW26Industrials
- Max PfeifferFounder/CTO · Voxel EnergyW26Industrials
- Alex FusterFounder/CEO · AstroW25Industrials · New York
- Derek ModzelewskiFounder/CTO · RewbiS24Industrials · San Francisco
- Thomas MargeFounder/CEO · RewbiS24Industrials · San Francisco
- Maxim Kraft@2001kraftFounder/CEO · Vista PowerW24Industrials · San Francisco
- Dasha CherepennikovaFounder · Line.BuildS23B2B · San Francisco
- Stephanie VasquezFounder · Line.BuildS23B2B · San Francisco
- Abdullah Al Zandani@abdullahzandaniFounder · CoperniqW23B2B · San Francisco
- Max KazakovFounder · CoperniqW23B2B · San Francisco
- Domingo Garcia-HuidobroFounder · RUUFW23Consumer · Santiago
- Pedro SaratscheffFounder/CTO · RUUFW23Consumer · Santiago
- Tomás CamposFounder · RUUFW23Consumer · Santiago
- Dalton Combs@TDaltonCFounder/CPO · Jasmine EnergyS22B2B · Washington
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Eric NilssonMeteoricFounder/CTOSummer 2026IndustrialsSan Francisco, United States2https://x.com/eric_nilsson_Mete KarsliogluMeteoricFounder/CEOSummer 2026IndustrialsSan Francisco, United States2https://x.com/MeteKarsli0gluGeorge RoseRise ReformingFounder/CEOSummer 2026IndustrialsChicago, United States4—Jona van OordRise ReformingFounder/COOSummer 2026IndustrialsChicago, United States4—Lucas ZubillagaRise ReformingFounder/CTOSummer 2026IndustrialsChicago, United States4—Casey SpencerVoxel EnergyFounder/CEOWinter 2026IndustrialsUnknown3https://x.com/recnepsyesacEvan SchmidtVoxel EnergyFounder/COOWinter 2026IndustrialsUnknown3—Max PfeifferVoxel EnergyFounder/CTOWinter 2026IndustrialsUnknown3—Alex FusterAstroFounder/CEOWinter 2025IndustrialsNew York, United States1—Derek ModzelewskiRewbiFounder/CTOSummer 2024IndustrialsSan Francisco, United States3—Thomas MargeRewbi2× YCFounder/CEOSummer 2024IndustrialsSan Francisco, United States3—Maxim KraftVista PowerFounder/CEOWinter 2024IndustrialsSan Francisco, United States3https://x.com/2001kraftDasha CherepennikovaLine.BuildFounderSummer 2023B2BSan Francisco, United States3—Stephanie VasquezLine.BuildFounderSummer 2023B2BSan Francisco, United States3—Abdullah Al ZandaniCoperniqFounderWinter 2023B2BSan Francisco, United States6https://x.com/abdullahzandaniMax KazakovCoperniqFounderWinter 2023B2BSan Francisco, United States6—Domingo Garcia-HuidobroRUUFFounderWinter 2023ConsumerSantiago, Chile60—Pedro SaratscheffRUUFFounder/CTOWinter 2023ConsumerSantiago, Chile60—Tomás CamposRUUFFounderWinter 2023ConsumerSantiago, Chile60—Dalton CombsJasmine EnergyFounder/CPOSummer 2022B2BWashington, United States5https://x.com/TDaltonC
Showing 1–20 of 41 founders
Thomas Marge
Founder·inBalance
PRIMARY INFO
RoleFounder· not in title
Team size10
BatchWinter 2021
LocationSan Francisco, United States
Company statusAcquired
StageEarly
BIO
Thomas is co-founder and CEO of Rewbi, which uses AI to optimize grid-connected battery storage. He previously founded inBalance, a YC W21 company, which was acquired by Stem (NYSE: STEM) in January of 2023. He led battery storage optimization and forecasting for Stem. He completed part of a Pure Mathematics PhD at University of Cambridge, which he left to build inBalance. He holds a Masters in Applied Mathematics and B.S.E. in Pure and 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
CredentialsPhD
DisciplineResearcherKeyword match from the bio text, not a classifier.
TRACK RECORD
2× YC founderSerial founder · self-declaredExit mentioned in bio
- W21inBalanceAcquired · this entry
- S24RewbiActive
COMPANY CONTEXT
inBalanceElectricity price forecasts for energy storage, ev charging, etc.
IndustryIndustrials
Websiteinbalanceresearch.com
Team size10
X—
LocationSan Francisco, United States
BatchWinter 2021
Also founded · 1 more YC company
RewbiActiveSummer 2024A stealth mode startup.
IndustrialsSan Francisco, United States3Open this entry
