ULYSSE CARION

Founder at Tesseral

ActiveFounder

Updated: Dec 18, 2025 ·

About

Cofounder/CTO at Tesseral.

Formerly of Segment and Gem. I built Segment's permissions and identity resolution system. Editor of IETF RFC 8927. 🇫🇷🇺🇸

Recent News & Mentions

May 6, 2025Product LaunchTesseral: the open source auth infrastructure for B2B SaaS May 1, 2025FundingTesseral - Seed Oct 15, 2024Product LaunchSSOReady: Open source developer tools for enterprise single sign-on Apr 1, 2024FundingTesseral - Seed

Experience

FounderFounderCurrent

Present - Present

Frequently Asked Questions

Who is Ulysse Carion?

Ulysse Carion is Founder at Tesseral.

What companies has Ulysse Carion founded?

Ulysse Carion co-founded Tesseral.