# Vasek Mlejnsky (slim)

> Vasek Mlejnsky is co-founder and CEO. E2B on Anchor Terminal, with grades, an about and public profiles.

- Full: https://www.anchorterminal.com/people/vasek-mlejnsky/index.md (~800 tokens) · this version ~530 tokens · JSON https://www.anchorterminal.com/people/vasek-mlejnsky/index.json · canonical https://www.anchorterminal.com/people/vasek-mlejnsky/
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-28
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

Co-founder and CEO.

Vasek Mlejnsky is co-founder and CEO of E2B, which runs cloud sandboxes where AI agents execute code.

- LinkedIn: https://www.linkedin.com/in/mlejva

## What Vasek builds

- [E2B](https://www.anchorterminal.com/tools/e2b.md), graded B, 68.5/100, in Code execution sandboxes. Firecracker microVM sandboxes for agent code, driven from Python and JavaScript SDKs, a CLI or a REST API. Co-founder and CEO, researched 2026-10-27.

## Works with

- [Tomas Valenta](https://www.anchorterminal.com/people/tomas-valenta/), Co-founder and CTO

## Backed by

- [Kaya](https://www.anchorterminal.com/investors/kaya/)
- [Decibel](https://www.anchorterminal.com/investors/decibel/)
- [Insight Partners](https://www.anchorterminal.com/investors/insight-partners/)
- [Sunflower Capital](https://www.anchorterminal.com/investors/sunflower-capital/)

## Questions

### Who is Vasek Mlejnsky?

Vasek Mlejnsky is co-founder and CEO of E2B, which runs cloud sandboxes where AI agents execute code.

### What does E2B make?

Anchor Terminal lists E2B from E2B.

### Who has invested in E2B?

The sources our research read name Kaya, Decibel, Insight Partners and Sunflower Capital.

### How are Vasek's tools graded?

E2B is graded B, 68.5 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.

## Sources

- https://e2b.dev/about
- https://www.linkedin.com/in/mlejva
- https://www.linkedin.com/in/valentatomas
- https://e2b.dev/
- https://docs.e2b.dev/support
- https://e2b.dev/contact

These are the people building the tools we list, named for their public role in the company or project behind a listing, from public pages, with the date it was researched.