Founder Directory
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Founders292
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.Bio90%Bio coverage: 90% 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.School34%School is matched from bios, case-sensitive for acronyms. 34% of these rows have at least one match.
- Karon Pangestu@pangestu_karonFounder/CEO · ArbitalS26Fintech · Singapore
- Steven Mulyawan@0xstevezillaFounder/COO · ArbitalS26Fintech · Singapore
- Vincent Owen Toniwan@0xvincent_ethFounder/CTO · ArbitalS26Fintech · Singapore
- Dimitris Koutentakis@_dkoutFounder/CEO · AtomarineS26Industrials · Boston
- Joanathan McIntosh@joanathanlmcFounder/CEO · Billow AI LabsS26B2B · San Francisco
- Philip MoniagaFounder/CTO · Billow AI LabsS26B2B · San Francisco
- Benjamin MartindaleFounder/CEO · DonkeyS26B2B · San Francisco
- Minghao TanFounder/CTO · DonkeyS26B2B · San Francisco
- Robert Qiu@whatsrobdoing_Founder/CEO · MOCHI.TVS26Consumer · San Francisco
- Joshua ZyzakFounder/CTO · Spectre IntelligenceS26Fintech · San Francisco
- Michelle Li@michellezliFounder/CEO · Spectre IntelligenceS26Fintech · San Francisco
- Eren Berke Saglam@erenberke0Founder/CFO · StoaS26Fintech · San Francisco
- Bryce JudyFounder/CEO · Tarifflo Inc.S26B2B · Salt Lake City
- Rishi LaddhaFounder/CEO · WaybillS26B2B · Gurugram
- Angus Muffatti@dirtmanFounder/CEO · Advanced Metal ResearchX26Industrials · Los Angeles
- Julian Fried@JulianFriedFounder · Advanced Metal ResearchX26Industrials · Los Angeles
- Stephen Lin@PerandexFounder · Advanced Metal ResearchX26Industrials · Los Angeles
- Jeffrey Byun@jeffbyunFounder/CEO · AkkariX26B2B · San Francisco
- Ali Tabba@alitabba_Founder/CEO · GravyX26Fintech · San Francisco
- Max Church@DevMaxCFounder/CTO · GravyX26Fintech · San Francisco
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Karon PangestuArbitalFounder/CEOSummer 2026FintechSingapore, Singapore3https://x.com/pangestu_karonSteven MulyawanArbitalFounder/COOSummer 2026FintechSingapore, Singapore3https://x.com/0xstevezillaVincent Owen ToniwanArbitalFounder/CTOSummer 2026FintechSingapore, Singapore3https://x.com/0xvincent_ethDimitris KoutentakisAtomarineFounder/CEOSummer 2026IndustrialsBoston, United States2https://x.com/_dkoutJoanathan McIntoshBillow AI LabsFounder/CEOSummer 2026B2BSan Francisco, United States0https://x.com/joanathanlmcPhilip MoniagaBillow AI LabsFounder/CTOSummer 2026B2BSan Francisco, United States0—Benjamin MartindaleDonkeyFounder/CEOSummer 2026B2BSan Francisco, United States7—Minghao TanDonkeyFounder/CTOSummer 2026B2BSan Francisco, United States7—Robert QiuMOCHI.TVFounder/CEOSummer 2026ConsumerSan Francisco, United States3https://x.com/whatsrobdoing_Joshua ZyzakSpectre IntelligenceFounder/CTOSummer 2026FintechSan Francisco, United States2—Michelle LiSpectre IntelligenceFounder/CEOSummer 2026FintechSan Francisco, United States2https://x.com/michellezliEren Berke SaglamStoaFounder/CFOSummer 2026FintechSan Francisco, United States3https://x.com/erenberke0Bryce JudyTarifflo Inc.Founder/CEOSummer 2026B2BSalt Lake City, United States5—Rishi LaddhaWaybillFounder/CEOSummer 2026B2BGurugram, India5—Angus MuffattiAdvanced Metal ResearchFounder/CEOSpring 2026IndustrialsLos Angeles, United States3https://x.com/dirtmanJulian FriedAdvanced Metal ResearchFounderSpring 2026IndustrialsLos Angeles, United States3https://x.com/JulianFriedStephen LinAdvanced Metal ResearchFounderSpring 2026IndustrialsLos Angeles, United States3https://x.com/PerandexJeffrey ByunAkkari2× YCFounder/CEOSpring 2026B2BSan Francisco, United States5https://x.com/jeffbyunAli TabbaGravyFounder/CEOSpring 2026FintechSan Francisco, United States2https://x.com/alitabba_Max ChurchGravyFounder/CTOSpring 2026FintechSan Francisco, United States2https://x.com/DevMaxC
Showing 1–20 of 292 founders
Jeffrey Byun
Founder/CEO·OrderAhead
PRIMARY INFO
RoleFounder/CEO
Team size50
BatchWinter 2011
LocationSan Francisco, United States
Company statusAcquired
StageEarly
BIO
2x YC founder (W11, P26), CEO of Akkari, and former bond trader. Previously scaled OrderAhead (acq by Square) to millions of users and BLADE to $1.2B+ in monthly trading volume.
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
2× YC founder
- W11OrderAheadAcquired · this entry
- X26AkkariActive
COMPANY CONTEXT
OrderAheadOrder ahead for pickup
IndustryConsumer
Team size50
X—
LocationSan Francisco, United States
BatchWinter 2011
Also founded · 1 more YC company
AkkariActiveSpring 2026Autonomous Customer Operations
B2BSan Francisco, United States5Open this entry
