Bryan Frimin
FounderFounder at Probo · Founder at Defer
Paris, Île-de-France, France
FoundedDefer · YCProbo · YC
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.
Founder 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 · 3
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 · 2
Co-founders at Defer
Experience
- ProboCo-Founder & CTOcurrent2025 — present
- NeargemProfessional Freelancer2024Paris, Île-de-France, France
- DeferCo-Founder & CTO (YC W23)2022 — 2024Paris, Île-de-France, France
- ExogradCo-founder2021 — 2022Paris, Île-de-France, France
- JobTeaserLead Senior Backend Software Engineer2018 — 2020Greater Paris Metropolitan Region
- JobTeaserStaff Software Engineer2017 — 2018Greater Paris Metropolitan Region
- JobTeaserSoftware Engineer2016 — 2017Greater Paris Metropolitan Region
- PlatoSoftware Engineer (previously Birdly)2015 — 201680 rue de Clery
Skills & more
+12 more
RubyGoCPOOAgile DevelopmentShell ScriptingWeb DevelopmentBusiness strategyTeam managementManagementRuby on RailsDockerLanguages Anglais · Français
From Bryan's professional profile.
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 Founder at Probo.
- What companies did Bryan Frimin found?
- Bryan Frimin founded Defer, Probo.
- Where did Bryan Frimin go to school?
- Bryan Frimin studied at 42 Paris (Architecte des technologies numériques, École de programmation informatique); HEC Paris (Académie Innovation Digitale, Marketing / gestion du marketing / Lean Startup); Lycée Geoffroy-Saint-Hilaire (Bac Scientifique, Spé Maths).
Founder mafias
Y Combinator mafia8,773
Also came through, then founded or led a company.
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HEC Paris mafia83
Also came through, then founded or led a company.
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42 Paris mafia13
Also came through, then founded or led a company.
+ 6 more
Plato mafia5
Also came through, then founded or led a company.
JobTeaser mafia2
Also came through, then founded or led a company.
