Founder Directory
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Founders13
Known for these resultsRole38%Role is parsed from founder titles in yc.db. Known for 38% 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.Bio92%Bio coverage: 92% 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-company38%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 38% of these rows have at least one match.School31%School is matched from bios, case-sensitive for acronyms. 31% of these rows have at least one match.
- Kumar Abhirup@kumarethFounder/CTO · Dench.comS24B2B · San Francisco
- Rafi SandsFounder/CEO · TandemS24B2B · San Francisco
- Reece Griffiths@ReeceWGriffithsFounder · Deasy LabsS23B2B · New York
- David GraunkeFounder · SafetyKitS23B2B · San Francisco
- Steven GuichardFounder · SafetyKitS23B2B · San Francisco
- Gabriel Birnbaum@gabirnbaumFounder · Y/nS23Consumer · San Francisco
- Ashutosh "Ash" Nayak@AshuNayak159Founder · Gigs LiveW21Consumer · New York
- Vaibhav KharatFounder · Gigs LiveW21Consumer · New York
- Chris Best@cjgbestFounder/CEO · SubstackW18B2B · San Francisco
- Hamish McKenzieFounder/COO · SubstackW18B2B · San Francisco
- Jairaj SethiFounder · SubstackW18B2B · San Francisco
- Jamie Quint@jamiequintFounder · Interstate AnalyticsW16B2B · San Francisco
- Bradford Cross@bradfordcrossFounder/CTO · FlightcasterS09Consumer · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Kumar AbhirupDench.comFounder/CTOSummer 2024B2BSan Francisco, United States6https://x.com/kumarethRafi SandsTandemFounder/CEOSummer 2024B2BSan Francisco, United States22—Reece GriffithsDeasy LabsFounderSummer 2023B2BNew York, United States8https://x.com/ReeceWGriffithsDavid GraunkeSafetyKitFounderSummer 2023B2BSan Francisco, United States10—Steven GuichardSafetyKitFounderSummer 2023B2BSan Francisco, United States10—Gabriel BirnbaumY/nFounderSummer 2023ConsumerSan Francisco, United States5https://x.com/gabirnbaumAshutosh "Ash" NayakGigs LiveFounderWinter 2021ConsumerNew York, United States3https://x.com/AshuNayak159Vaibhav KharatGigs LiveFounderWinter 2021ConsumerNew York, United States3—Chris BestSubstackFounder/CEOWinter 2018B2BSan Francisco, United States90https://x.com/cjgbestHamish McKenzieSubstackFounder/COOWinter 2018B2BSan Francisco, United States90—Jairaj SethiSubstackFounderWinter 2018B2BSan Francisco, United States90—Jamie QuintInterstate AnalyticsFounderWinter 2016B2BSan Francisco, United States2https://x.com/jamiequintBradford CrossFlightcasterFounder/CTOSummer 2009ConsumerSan Francisco, United States2https://x.com/bradfordcross
Showing 1–13 of 13 founders
Amir Ghazvinian
Founder/CTO·Fifth Door
PRIMARY INFO
RoleFounder/CTO
Team size3
BatchFall 2025
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
No notable employer or school mentioned in the bio.
Credentialsnone mentioned
Disciplinenot detectedKeyword match from the bio text, not a classifier.
TRACK RECORD
3× YC founderVerified prior exit
- W12ExecAcquired
- W16Interstate AnalyticsInactive
- F25Fifth DoorActive · this entry
