We build products that make the future feel obvious.

Fun Management creates category-defining products from zero to scale.

Explore Our Ventures

Fun Management is a venture studio founded by Sergiu Biris.

We build, launch, and grow technology companies with high-velocity execution, design excellence, and go-to-market clarity.

Small teams. Fast cycles. Product–market obsession.

Our Ventures

Stealth startup

AI-powered accounting solution for European businesses.

Launching 2026

Stealth startup

AI-powered pet health app

In development

Stealth startup

AI-powered nutrition app

In development

New Ventures

We incubate 1–2 new products every year.

Get in touch

How We Build

01

Insight

We uncover real problems through direct experience and obsessive research.

02

Prototype

Rapid design + development loops to validate assumptions.

03

Grow

Find traction. Iterate. Scale what works.

Sergiu Biris

Sergiu Biris

Founder, Fun Management

Entrepreneur behind LiveRail (acquired by Facebook), xPortal, Trilulilu, Zonga.

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Philosophy

  • •Products, not PowerPoints.
  • •Small teams, big outcomes.
  • •Design and clarity matter.
  • •We build for the long run.