Founder Directory
Built by Keitoto
Founders26
Known for these resultsRole35%Role is parsed from founder titles in yc.db. Known for 35% 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.Bio96%Bio coverage: 96% 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-company19%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 19% of these rows have at least one match.School15%School is matched from bios, case-sensitive for acronyms. 15% of these rows have at least one match.
- Andrew MelloFounder/CTO · DispatchX26Industrials · San Francisco
- Payton Case@dispatchspaceFounder/CEO · DispatchX26Industrials · San Francisco
- Nicholas Donahue@PrimalNickFounder/CEO · DraftedX26Consumer · San Francisco
- Alessandro Vecchi@big_veechFounder/CPO · SorcererS24Industrials · San Francisco
- Austin TindleFounder/CEO · SorcererS24Industrials · San Francisco
- Maxmillion McLaughlinFounder/CTO · SorcererS24Industrials · San Francisco
- Cyriel NotteboomFounder · RadicalW23Industrials · Seattle
- James ThomasFounder · RadicalW23Industrials · Seattle
- Mark CyffkaFounder · AirMyneW22Industrials · San Francisco
- Sudip MukhopadhyayFounder · AirMyneW22Industrials · San Francisco
- Haakon BrunellFounder · Carbon CrusherW22Industrials · Oslo
- Hans Arne FlåtoFounder · Carbon CrusherW22Industrials · Oslo
- Kristoffer RoilFounder · Carbon CrusherW22Industrials · Oslo
- Erik MillarFounder · HeimdalS21Industrials · Denver
- Marcus Lima@MarcusLimaGNFounder/CEO · HeimdalS21Industrials · Denver
- Alex LarawayFounder · Care WeatherW21Industrials · Orem
- Patrick Walton@mpatrickwaltonFounder · Care WeatherW21Industrials · Orem
- Austin KahnFounder · AtmosS20Real Estate and Construction · San Francisco
- Matthew Rastovac@mattrastoFounder · AtmosS20Real Estate and Construction · San Francisco
- Nicholas Donahue@PrimalNickFounder · AtmosS20Real Estate and Construction · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Andrew MelloDispatchFounder/CTOSpring 2026IndustrialsSan Francisco, United States2—Payton CaseDispatchFounder/CEOSpring 2026IndustrialsSan Francisco, United States2https://x.com/dispatchspaceNicholas DonahueDrafted2× YCFounder/CEOSpring 2026ConsumerSan Francisco, United States9https://x.com/PrimalNickAlessandro VecchiSorcererFounder/CPOSummer 2024IndustrialsSan Francisco, United States4https://x.com/big_veechAustin TindleSorcererFounder/CEOSummer 2024IndustrialsSan Francisco, United States4—Maxmillion McLaughlinSorcererFounder/CTOSummer 2024IndustrialsSan Francisco, United States4—Cyriel NotteboomRadicalFounderWinter 2023IndustrialsSeattle, United States6—James ThomasRadicalFounderWinter 2023IndustrialsSeattle, United States6—Mark CyffkaAirMyneFounderWinter 2022IndustrialsSan Francisco, United States11—Sudip MukhopadhyayAirMyneFounderWinter 2022IndustrialsSan Francisco, United States11—Haakon BrunellCarbon CrusherFounderWinter 2022IndustrialsOslo, Norway21—Hans Arne FlåtoCarbon CrusherFounderWinter 2022IndustrialsOslo, Norway21—Kristoffer RoilCarbon CrusherFounderWinter 2022IndustrialsOslo, Norway21—Erik MillarHeimdalFounderSummer 2021IndustrialsDenver, United States12—Marcus LimaHeimdal2× YCFounder/CEOSummer 2021IndustrialsDenver, United States12https://x.com/MarcusLimaGNAlex LarawayCare WeatherFounderWinter 2021IndustrialsOrem, United States2—Patrick WaltonCare WeatherFounderWinter 2021IndustrialsOrem, United States2https://x.com/mpatrickwaltonAustin KahnAtmosFounderSummer 2020Real Estate and ConstructionSan Francisco, United States30—Matthew RastovacAtmosFounderSummer 2020Real Estate and ConstructionSan Francisco, United States30https://x.com/mattrastoNicholas DonahueAtmos2× YCFounderSummer 2020Real Estate and ConstructionSan Francisco, United States30https://x.com/PrimalNick
Showing 1–20 of 26 founders
Marcus Lima
Founder/CEO·Heimdal
PRIMARY INFO
RoleFounder/CEO
Team size12
BatchSummer 2021
LocationDenver, United States
Company statusInactive
StageEarly
BIO
Co-founder and CEO of Torus. We build agentic engineering tools for capital project engineering firms. Previously founder of Heimdal, direct air carbon capture technology and infrastructure. Oxford and Cambridge grad.
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
2× YC founder
- S21HeimdalInactive · this entry
- S26TorusActive
COMPANY CONTEXT
Also founded · 1 more YC company
TorusActiveSummer 2026Legora for physical engineering firms
IndustrialsSan Francisco, United States6Open this entry
