# Douwe Maan (slim)

> Douwe Maan is pydantic AI Lead Engineer. Pydantic AI on Anchor Terminal, with grades, an about and public profiles.

- Full: https://www.anchorterminal.com/people/douwe-maan/index.md (~800 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/people/douwe-maan/index.json · canonical https://www.anchorterminal.com/people/douwe-maan/
- 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)

Pydantic AI Lead Engineer.

- LinkedIn: https://www.linkedin.com/in/douwem/
- GitHub: https://github.com/douwem

## What Douwe builds

- [Pydantic AI](https://www.anchorterminal.com/tools/pydantic-ai.md), graded A, 81.9/100, in Agent frameworks & SDKs. Typed Python agent framework for 25+ model providers, with MCP, A2A and durable execution. Pydantic AI Lead Engineer, researched 2026-10-28.

## Works with

- [Bill Easton](https://www.anchorterminal.com/people/bill-easton/), Head of Product, Pydantic
- [Samuel Colvin](https://www.anchorterminal.com/people/samuel-colvin/), Founder and CEO, Pydantic

## Backed by

- [Sequoia Capital](https://www.anchorterminal.com/investors/sequoia-capital/)
- [Partech](https://www.anchorterminal.com/investors/partech/)
- [Irregular Expressions](https://www.anchorterminal.com/investors/irregular-expressions/)
- [Bryan Helmig](https://www.anchorterminal.com/investors/bryan-helmig/)
- [Tristan Handy](https://www.anchorterminal.com/investors/tristan-handy/)
- [David Cramer](https://www.anchorterminal.com/investors/david-cramer/)
- [Logan Kilpatrick](https://www.anchorterminal.com/investors/logan-kilpatrick/)
- [Jason Liu](https://www.anchorterminal.com/investors/jason-liu/)

## Questions

### Who is Douwe Maan?

Douwe Maan is pydantic AI Lead Engineer.

### What does Pydantic make?

Anchor Terminal lists Pydantic AI from Pydantic.

### Who has invested in Pydantic?

The sources our research read name Sequoia Capital, Partech, Irregular Expressions, Bryan Helmig, Tristan Handy, David Cramer, Logan Kilpatrick and Jason Liu.

### How are Douwe's tools graded?

Pydantic AI is graded A, 81.9 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.

## Sources

- https://pydantic.dev/authors/samuel-colvin
- https://scolvin.com/
- https://pydantic.dev/
- https://pydantic.dev/docs/ai/
- https://pydantic.dev/about

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.