---
title: "Thais Castello Branco"
category: "people"
role: "Founder & CEO"
company: "Taste Labs"
linkedin: "https://www.linkedin.com/in/thais-castello-branco/"
twitter: "https://x.com/thaiscbranco_"
sourceLabels: ["Official speaker roster", "Official conference schedule"]
---
# Thais Castello Branco

## Profile
Founder & CEO at [[taste-labs|Taste Labs]].

- [LinkedIn](https://www.linkedin.com/in/thais-castello-branco/)
- [X / Twitter](https://x.com/thaiscbranco_)

## Biography
Thais Castello Branco is the founder and CEO of Taste, building the taste infrastructure layer for AI across subjective domains, starting with design. Taste works with frontier labs on post-training data and RL environments, and with app-layer companies to improve and evaluate generations via their API. Taste recently closed $18.5M in seed funding, led by Amplify and CRV, and is hiring across engineering and ML research.

## Conference Sessions
- [[2026-06-29-thais-castello-branco-ending-ai-slop]] — Ending AI Slop (2026-06-29, 1:55pm-2:15pm)
- [[2026-06-30-thais-castello-branco-training-taste]] — Training Taste (2026-06-30, 1:55pm-2:15pm)

## Evidence Graph
This evidence graph summarizes how this person appears across the conference source graph: scheduled sessions, linked videos, transcripts, and slide-derived evidence.

### Linked Sessions
- [[2026-06-29-thais-castello-branco-ending-ai-slop|Ending AI Slop]]
- [[2026-06-30-thais-castello-branco-training-taste|Training Taste]]

### Media Signals
No linked video, transcript, or slide source has been attached yet.