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Bryan Frimin
FounderCTO at Probo · Founder at Defer
Paris, Île-de-France, France
FoundedDefer · YCProbo · YC
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About
Bryan Frimin is a French engineer and CTO & Co-founder of Probo, where he develops an open-source AI platform for SOC2 and ISO27001 compliance.
CTO at ProboYC X25
Intro paths
Bryan went through Y Combinator (Spring 2025) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Tom Blomfield, Monzo and GoCardless co-founder; Y Combinator partner on leave and Anthropic compute-team member. — the partner who ran Probo's batch and knows the company first-hand. YC profile ↗
In turn, Bryan can intro founders to Probo's investors below.
Probo's investors · 11
Co-founders at Probo
Founder at DeferYC W23
Intro paths
Bryan went through Y Combinator (Winter 2023) — any YC alum in your network can reach them through the YC community.
Their group partner at YC was Nicolas Dessaigne, General Partner at Y Combinator — the partner who ran Defer's batch and knows the company first-hand. YC profile ↗
In turn, Bryan can intro founders to Defer's investors below.
Defer's investors · 11
Co-founders at Defer
Frequently asked questions
- Who is Bryan Frimin?
- Bryan Frimin is a French engineer and CTO & Co-founder of Probo, where he develops an open-source AI platform for SOC2 and ISO27001 compliance.
- Where does Bryan Frimin work?
- Bryan Frimin is Founder of Defer and CTO at Probo.
- What companies did Bryan Frimin found?
- Bryan Frimin founded Defer, Probo.
Founder mafias
Y Combinator mafia10,594
Also came through, then founded or led a company.
42 Paris mafia19
Also came through, then founded or led a company.
Plato mafia11
Also came through, then founded or led a company.
JobTeaser mafia3
Also came through, then founded or led a company.
About this profile. Compiled from public sources — Probo'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