Free-to-paid monetization
Built and led the team turning free users into paying ones – pricing, packaging, offers and purchase friction.
A/B testsPricingLTV-first priorities
Manifesto · how I work
I turn funnel leaks into measurable growth.
How I think about growth and retention, and the programs behind it – learned on products used by tens of millions, applied for clients.
Programs I've owned or co-led.
AI-powered scam protection
Owned the go-to-market, from positioning to in-product activation – rolled out to 50M+ users.
PositioningActivationLaunch
Retention
Retention across the customer journey – renewals, win-back to auto-renewal, SMB and checkout – plus the Retention Hub, an internal system that puts every team on the same numbers.
RenewalsWin-backCheckout
{AI: Prague}
Co-organized the first {AI: Prague} hackathon with Lukáš Bláha and Josef Tatíček – 30+ builders.
HackathonCommunity
A repeatable operating model.
01
Diagnose
Find the real constraint, not the loudest opinion.
02
Prioritize
Rank by impact, confidence and cost.
03
Ship
Get the change live.
04
Measure
Set the decision rule before the result.
05
Scale
Turn what works into a system.
Beyond the roadmap.
Based in Prague. I pick up new tools fast, and I co-organize {AI: Prague} – a community of curious people who ship.
Let's talk.
If this is how you want growth run, tell me what you're working on.