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About
Sean Bolton is co-founder and CEO of End Close. He previously spent six years at Modern Treasury as a payments engineering tech lead and later led the reconciliation organization, where he helped scale the platform to handle hundreds of billions in annual payments volume.
CEO at End CloseYC W26
Intro paths
Sean went through Y Combinator (Winter 2026) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Brad Flora, Backing expeditions into the future — the partner who ran End Close's batch and knows the company first-hand. YC profile ↗
In turn, Sean can intro founders to End Close's investors below.
End Close's investors · 7
Co-founders at End Close
Frequently asked questions
- Who is Sean Bolton?
- Sean Bolton is co-founder and CEO of End Close. He previously spent six years at Modern Treasury as a payments engineering tech lead and later led the reconciliation organization, where he helped scale the platform to handle hundreds of billions in annual payments volume.
- Where does Sean Bolton work?
- Sean Bolton is CEO of End Close.
- What companies did Sean Bolton found?
- Sean Bolton founded End Close.
Founder mafias
Y Combinator mafia10,627
Also came through, then founded or led a company.
University of Galway mafia28
Also came through, then founded or led a company.
Modern Treasury mafia4
Also came through, then founded or led a company.
About this profile. Compiled from public sources — End Close's own website and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights