Founder of a listed tool
Manouk Draisma
Co-founder and CEO, LangWatch, named behind the LangWatch listing on Anchor Terminal.
What Manouk builds
LangWatch B · 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 28 October 2026 · the people behind it
Works with
- Rogerio Chaves Co-founder and CTO, LangWatch
Backed by
Passion Capital Volta Ventures 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 (1)
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). 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.