About

I spent 15 years as a back-end engineer cleaning up other people’s bad code, then suddenly realised I might like ideas and art even more than clean architecture. So I joined MediaMonks, stepped into the world of creative advertising, and helped ship tech-driven campaigns that somehow won international awards. Then I caught the founder bug. I launched CowTransfer in 2018, which turned into one of China’s favourite ways to send giant files without screaming at email limits. Feeling invincible, I went on to build World of Creator, a “fair online society” for digital creators. Beautiful vision, beautifully failed. Now I’m Partner & CTO at Lighthunter. One solid win, two heroic crashes — and by the “third time’s the charm” rule, this round is statistically overdue for a happy ending.

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Would you rather double your users or halve your AI cost?

You have one quarter and enough engineering capacity to do only one:

A. Double active users, with the same unit economics

B. Cut AI cost per successful outcome by 50%, with no user growth

Your power users might be your worst customers

Everyone tells founders to love their power users.

But in an AI product, the most active customer may be hammering your most expensive feature, triggering retries, opening five conversations at once and paying the same flat fee as everyone else.

Would you kill an AI feature your users love?

Here s an uncomfortable scenario:

An AI feature is popular. Engagement is growing. Customers mention it in feedback.

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