We build products that make the future feel obvious.

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

Fun Management is a venture studio founded by Sergiu Biris, a serial entrepreneur with more than 20 years experience and previous successful exits such as LiveRail, a company acquired by Facebook in 2014 for $500M.

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.

Portfolio

Our Ventures

Invoflux logo

Invoflux

AI-powered accounting for European businesses

Automating bookkeeping, compliance, and financial workflows for small and mid-sized companies across the EU.

Launching 2026
SignalTower logo

SignalTower

Handling media in multi AI agent workflows

Launching 2026
This2That logo

This2That

One-click data migration tools

Move your content between platforms without the hassle. Pay once, own your data forever. No subscriptions, no lock-in.

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Lupito logo

Lupito

AI-powered pet health app

Personalized health tracking and early-warning insights to help pet owners give their companions longer, healthier lives.

Coming soon

Stealth startup

AI-powered nutrition app

Smart meal planning and nutrition coaching tailored to individual goals, preferences, and dietary needs.

Coming soon

New Ventures

Always building what’s next

We incubate one to two new products every year. If you have an idea or want to build together, we’d love to hear from you.

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.

Philosophy

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