Founder Directory
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Founders99
Known for these resultsRole47%Role is parsed from founder titles in yc.db. Known for 47% 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.Bio80%Bio coverage: 80% 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-company27%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 27% of these rows have at least one match.School30%School is matched from bios, case-sensitive for acronyms. 30% of these rows have at least one match.
- Alex Southmayd@alexsouthmaydFounder/CEO · BloomyS26Education · San Francisco
- Fred FooksFounder/CTO · DayjobX26B2B · London
- George PostlethwaiteFounder/CEO · DayjobX26B2B · London
- Luc RosenzweigFounder/CTO · IncandorX26B2B · San Francisco
- Dimitris PagonakisFounder · PLAN0 AIX26Real Estate and Construction
- Michael Baron@nominalaviatorFounder/CEO · Aurorin CADW26B2B · San Francisco
- Joseph Thomas@josephpthomasFounder · ForumW26Fintech · New York
- Owen Botkin@owenbotkinFounder/CEO · ForumW26Fintech · New York
- Skyler Chan@skyler_chan_Founder/CEO · Galactic Resource Utilization Space, Inc. (GRU Space)W26Industrials · Los Angeles
- Noah YinFounder/CEO · PollenW26B2B · San Francisco
- Dylan Mikus@dbmikusFounder/CEO · AmikaF25B2B · New York
- Jakub Cichon@jdcamikaFounder/CTO · AmikaF25B2B · New York
- Jonathan Miranda@jonathan_mir12Founder/CEO · CompyleF25B2B · San Francisco
- Mark NazzaroFounder/CTO · CompyleF25B2B · San Francisco
- Kazuki Shin@shinkazuki99Founder/CTO · Kaigo HealthF25Healthcare · San Francisco
- Tejas Agarwal@teagarwalFounder/CEO · TerrainF25B2B · San Francisco
- Saurav Kumar@sauravmlFounder/CEO · FleetlineS25B2B · New York
- Veer JunejaFounder/COO · FleetlineS25B2B · New York
- Aaron Carver@aaronmaxcarverFounder/CTO · chrtX25B2B · Los Angeles
- Kyle Reagan@based_kyle_Founder/CEO · chrtX25B2B · Los Angeles
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Alex SouthmaydBloomyFounder/CEOSummer 2026EducationSan Francisco, United States1https://x.com/alexsouthmaydFred FooksDayjobFounder/CTOSpring 2026B2BLondon, United Kingdom5—George PostlethwaiteDayjobFounder/CEOSpring 2026B2BLondon, United Kingdom5—Luc RosenzweigIncandorFounder/CTOSpring 2026B2BSan Francisco, United States0—Dimitris PagonakisPLAN0 AIFounderSpring 2026Real Estate and ConstructionUnknown4—Michael BaronAurorin CADFounder/CEOWinter 2026B2BSan Francisco, United States1https://x.com/nominalaviatorJoseph ThomasForumFounderWinter 2026FintechNew York, United States2https://x.com/josephpthomasOwen BotkinForumFounder/CEOWinter 2026FintechNew York, United States2https://x.com/owenbotkinSkyler ChanGalactic Resource Utilization Space, Inc. (GRU Space)Founder/CEOWinter 2026IndustrialsLos Angeles, United States5https://x.com/skyler_chan_Noah YinPollenFounder/CEOWinter 2026B2BSan Francisco, United States3—Dylan MikusAmikaFounder/CEOFall 2025B2BNew York, United States2https://x.com/dbmikusJakub CichonAmikaFounder/CTOFall 2025B2BNew York, United States2https://x.com/jdcamikaJonathan MirandaCompyleFounder/CEOFall 2025B2BSan Francisco, United States2https://x.com/jonathan_mir12Mark NazzaroCompyleFounder/CTOFall 2025B2BSan Francisco, United States2—Kazuki ShinKaigo HealthFounder/CTOFall 2025HealthcareSan Francisco, United States3https://x.com/shinkazuki99Tejas AgarwalTerrainFounder/CEOFall 2025B2BSan Francisco, United States2https://x.com/teagarwalSaurav KumarFleetlineFounder/CEOSummer 2025B2BNew York, United States11https://x.com/sauravmlVeer JunejaFleetlineFounder/COOSummer 2025B2BNew York, United States11—Aaron CarverchrtFounder/CTOSpring 2025B2BLos Angeles, United States5https://x.com/aaronmaxcarverKyle ReaganchrtFounder/CEOSpring 2025B2BLos Angeles, United States5https://x.com/based_kyle_
Showing 1–20 of 99 founders
Alex Southmayd
Founder/CEO·Bloomy
PRIMARY INFO
RoleFounder/CEO
Team size1
BatchSummer 2026
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
Founder of Bloomy. Previously 7th grade teacher with Teach For America; GMAT/GRE instructor at Manhattan Prep; Head of Driver Acquisition for Lyft New England (built an acquisition playbook that scaled nationally); Engagement Manager at McKinsey & Company (strategy, VC/PE diligence, sales acceleration). MA from Amherst College, M.Ed. from BU, MBA from Stanford GSB
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
CredentialsMBA
DisciplineBusinessKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
Bloomy
AI-powered mastery learning for K-12
IndustryEducation
Websitebloomylearning.com/
Team size1
LocationSan Francisco, United States
BatchSummer 2026
