# Manouk Draisma

> Manouk Draisma is co-founder and CEO of LangWatch. LangWatch on Anchor Terminal, with grades, an about and public profiles.

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- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)
- Updated: 2026-10-28

Co-founder and CEO, LangWatch.

Manouk Draisma is co-founder and chief executive of LangWatch and runs its go-to-market work and team. Before LangWatch, Draisma held commercial leadership roles at Lightspeed and Biller, and met co-founder Rogerio Chaves at Antler Amsterdam.

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

## What Manouk builds

- [LangWatch](https://www.anchorterminal.com/tools/langwatch.md), graded B, 65.6/100, in Agent observability & evals. LangWatch is an open-source platform for tracing, evaluating and testing LLM applications and agents, with prompt management, datasets and an AI gateway. It runs hosted or self-hosted, with a REST API, SDKs, a CLI and an MCP server. Co-founder and CEO, LangWatch, researched 2026-10-28.

## Works with

- [Rogerio Chaves](https://www.anchorterminal.com/people/rogerio-chaves/), Co-founder and CTO, LangWatch

## Backed by

- [Passion Capital](https://www.anchorterminal.com/investors/passion-capital/)
- [Volta Ventures](https://www.anchorterminal.com/investors/volta-ventures/)
- [Antler](https://www.anchorterminal.com/investors/antler/)

## Questions

### Who is Manouk Draisma?

Manouk Draisma is co-founder and chief executive of LangWatch and runs its go-to-market work and team. Before LangWatch, Draisma held commercial leadership roles at Lightspeed and Biller, and met co-founder Rogerio Chaves at Antler Amsterdam.

### What does Reasoning Engine B.V. (LangWatch) make?

Anchor Terminal lists LangWatch from Reasoning Engine B.V. (LangWatch). LangWatch is an open-source platform for tracing, evaluating and testing LLM applications and agents, with prompt management, datasets and an AI gateway. It runs hosted or self-hosted, with a REST API, SDKs, a CLI and an MCP server.

### Who has invested in Reasoning Engine B.V. (LangWatch)?

The sources our research read name Passion Capital, Volta Ventures and Antler.

### How are Manouk's tools graded?

LangWatch is graded B, 65.6 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.

## Sources

- https://langwatch.ai/about-us

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. They don't work for Anchor Terminal (our own team is on the about page, /about/#author). We show public roles, public profiles and what the listing pages show, nothing private. To correct something, send an about or a photo, or have a page removed, write to privacy@anchorterminal.com.

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