Founder Directory
Built by Keitoto
Founders17
Known for these resultsRole29%Role is parsed from founder titles in yc.db. Known for 29% 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.Bio71%Bio coverage: 71% 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-company24%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 24% of these rows have at least one match.School12%School is matched from bios, case-sensitive for acronyms. 12% of these rows have at least one match.
- Kevin Michael@Kevin1MichaelFounder · TempoS23B2B · Toronto
- Peter GokhshteynFounder · TempoS23B2B · Toronto
- Ruben FiszelFounder · WindmillS22B2B · Paris
- Cam KorzeckeFounder · NasdiscS21Consumer · San Francisco
- Christian WhiteFounder · NasdiscS21Consumer · San Francisco
- Simeon GoolsbyFounder · NasdiscS21Consumer · San Francisco
- Kyle YugawaFounder · The BreakawayS21Consumer · Truckee
- David PolonskiFounder · BuildStreamS19Real Estate and Construction · London
- Terry Clarke@onhand_terryFounder · BuildStreamS19Real Estate and Construction · London
- Karen Levy@KareninKenyaFounder · No Lean SeasonW17Unspecified
- Md. Sohel RanaFounder · No Lean SeasonW17Unspecified
- Cooper NewbyFounder/CPO · BluecrewS15B2B · Chicago
- Gino RooneyFounder/CEO · BluecrewS15B2B · Chicago
- Joshua AugustinFounder/CTO · TempoW15Healthcare · San Francisco
- Moawia EldeebFounder/CEO · TempoW15Healthcare · San Francisco
- Alex ChungFounder · FridgeS10Consumer · San Francisco
- Austin ChangFounder/CEO · FridgeS10Consumer · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Kevin MichaelTempoFounderSummer 2023B2BToronto, Canada8https://x.com/Kevin1MichaelPeter GokhshteynTempoFounderSummer 2023B2BToronto, Canada8—Ruben FiszelWindmillFounderSummer 2022B2BParis, France7—Cam KorzeckeNasdiscFounderSummer 2021ConsumerSan Francisco, United States4—Christian WhiteNasdiscFounderSummer 2021ConsumerSan Francisco, United States4—Simeon GoolsbyNasdiscFounderSummer 2021ConsumerSan Francisco, United States4—Kyle YugawaThe BreakawayFounderSummer 2021ConsumerTruckee, United States6—David PolonskiBuildStreamFounderSummer 2019Real Estate and ConstructionLondon, United Kingdom9—Terry ClarkeBuildStreamFounderSummer 2019Real Estate and ConstructionLondon, United Kingdom9https://x.com/onhand_terryKaren LevyNo Lean SeasonFounderWinter 2017UnspecifiedUnknown—https://x.com/KareninKenyaMd. Sohel RanaNo Lean SeasonFounderWinter 2017UnspecifiedUnknown——Cooper NewbyBluecrewFounder/CPOSummer 2015B2BChicago, United States100—Gino RooneyBluecrewFounder/CEOSummer 2015B2BChicago, United States100—Joshua AugustinTempoFounder/CTOWinter 2015HealthcareSan Francisco, United States158—Moawia EldeebTempoFounder/CEOWinter 2015HealthcareSan Francisco, United States158—Alex ChungFridgeFounderSummer 2010ConsumerSan Francisco, United States2—Austin ChangFridgeFounder/CEOSummer 2010ConsumerSan Francisco, United States2—
Showing 1–17 of 17 founders
David Polonski
Founder·BuildStream
PRIMARY INFO
RoleFounder· not in title
Team size9
BatchSummer 2019
LocationLondon, United Kingdom
Company statusInactive
StageEarly
BIO
No bio on the YC profile. Background, credentials and discipline below are Unknown — nothing is inferred when the bio is missing.
BACKGROUND
Unknown — no bio.
Credentialsunknown
DisciplineunknownKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
BuildStreamWorkforce solutions for the construction industry
IndustryReal Estate and Construction
Websitebuildstream.co
Team size9
LocationLondon, United Kingdom
BatchSummer 2019
Co-foundersTerry Clarke@onhand_terry
