Founder Directory
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Founders9
Known for these resultsRole56%Role is parsed from founder titles in yc.db. Known for 56% 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.Bio100%Bio coverage: 100% 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-company67%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 67% of these rows have at least one match.School100%School is matched from bios, case-sensitive for acronyms. 100% of these rows have at least one match.
- Johnny Doyle@jdoyleirlFounder/CEO · ProvenMetalS26Industrials · San Francisco
- Will Carkner@CarknerWillFounder/CTO · ProvenMetalS26Industrials · San Francisco
- Julius Lipp@juliuslippFounder/CEO · The Company CompanyX26B2B · San Francisco
- Mark Hughes@markhuqhesFounder/CEO · SolidroadW25B2B · San Francisco
- Patrick Finlay@patjfinFounder/CTO · SolidroadW25B2B · San Francisco
- Lauren Rothwell@lauren_rothwellFounder · BlazeW22B2B · San Francisco
- Hamed FesharakiFounder · AdravisionS21Healthcare · Singapore
- Jonathan Baker@Jon_M_BakerFounder · AlgoViralS21B2B · London
- Patrick Finlay@patjfinFounder · UnflowS19B2B · New York
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Johnny DoyleProvenMetalFounder/CEOSummer 2026IndustrialsSan Francisco, United States4https://x.com/jdoyleirlWill CarknerProvenMetalFounder/CTOSummer 2026IndustrialsSan Francisco, United States4https://x.com/CarknerWillJulius LippThe Company CompanyFounder/CEOSpring 2026B2BSan Francisco, United States1https://x.com/juliuslippMark HughesSolidroadFounder/CEOWinter 2025B2BSan Francisco, United States6https://x.com/markhuqhesPatrick FinlaySolidroad2× YCFounder/CTOWinter 2025B2BSan Francisco, United States6https://x.com/patjfinLauren RothwellBlazeFounderWinter 2022B2BSan Francisco, United States10https://x.com/lauren_rothwellHamed FesharakiAdravisionFounderSummer 2021HealthcareSingapore, Singapore8—Jonathan BakerAlgoViralFounderSummer 2021B2BLondon, United Kingdom5https://x.com/Jon_M_BakerPatrick FinlayUnflow2× YCFounderSummer 2019B2BNew York, United States5https://x.com/patjfin
Showing 1–9 of 9 founders
Sean Bolton
Founder/CEO·End Close
PRIMARY INFO
RoleFounder/CEO
Team size2
BatchWinter 2026
Location
Company statusActive
StageEarly
BIO
Sean is the co-founder and CEO of End Close. Sean was the third hire at Modern Treasury (S18) where he spent 6 years as the tech lead of payments engineering before building and running the reconciliation org. While there he scaled the product to $350B in annual payments volume and $1T in annual reconciliation volume with 99.995% automation.
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
DisciplineEngineerKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
End CloseAI powered reconciliation for high-volume payments companies
Co-foundersDavid Newell@DavidNewell95
