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COO at SinterYC F26
Intro paths
Justin went through Y Combinator (Fall 2026) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Grey Baker, General Partner at Y Combinator — the partner who ran Sinter's batch and knows the company first-hand. YC profile ↗
In turn, Justin can intro founders to Sinter's investors below.
Sinter's investors · 1
Co-founders at Sinter
Frequently asked questions
- Who is Justin Kwon?
- Founder/COO at Sinter
- Where does Justin Kwon work?
- Justin Kwon is COO of Sinter.
- What companies did Justin Kwon found?
- Justin Kwon founded Sinter.
Founder mafias
Y Combinator mafia10,594
Also came through, then founded or led a company.
Purdue University mafia249
Also came through, then founded or led a company.
Purdue University College of Engineering mafia3
Also came through, then founded or led a company.
About this profile. Compiled from public sources — Sinter'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