czech-founder
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Jiri Trecak Spent Seven Years Teaching Design and Code to Speak
The Supernova founder learned that generating code was the easy demo. The durable company would have to understand everything around it.
Vasek Mlejnsky
Vasek Mlejnsky is the co-founder and CEO of E2B, an open-source cloud runtime that gives AI agents secure, isolated sandboxes to run code and use real tools. Raised in a small Czech town, he moved to San Francisco in 2021 through the Pioneer accelerator with his sixth-grade friend and co-founder Tomas Valenta. After pivoting through several developer-tool ideas, the pair launched E2B in 2023. By 2025 the platform was used by 88% of Fortune 100 companies and had run hundreds of millions of sandbox sessions, and E2B closed a $21M Series A led by Insight Partners.
Tomas Holub
Tomas Holub is the founder and CEO of CoverGo, a global no-code, AI-powered core insurance platform for health, life and P&C insurers. He started the company in Hong Kong in 2017 after his own insurance claim was denied following his father's death, and has since grown it to roughly 200 people with offices in Singapore, New York, Silicon Valley, Dubai and Hong Kong and more than 20 insurance clients. Before CoverGo he consulted at PwC London and ran operations for an insurtech in Singapore; along the way he collected four master's degrees in four languages and has worked across 20-plus countries.