# Rogerio Chaves

> Rogerio Chaves is co-founder and CTO 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 CTO, LangWatch.

Rogerio Chaves is co-founder and chief technology officer of LangWatch. He spent years at Booking.com, where he helped build its first AI agents, and before that was an engineer at ThoughtWorks, working across React, TypeScript, GraphQL and machine learning.

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

## What Rogerio 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 CTO, LangWatch, researched 2026-10-28.

## Works with

- [Manouk Draisma](https://www.anchorterminal.com/people/manouk-draisma/), Co-founder and CEO, 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 Rogerio Chaves?

Rogerio Chaves is co-founder and chief technology officer of LangWatch. He spent years at Booking.com, where he helped build its first AI agents, and before that was an engineer at ThoughtWorks, working across React, TypeScript, GraphQL and machine learning.

### 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 Rogerio'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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