# Diogo Almeida

**Source:** https://www.startuphub.ai/people/diogo-almeida
**Profile type:** Person

## About

Diogo Almeida is the Co-founder and CEO of TypeSafe AI, a frontier AI lab building machine-native, composable AI. He is a former OpenAI post-training team member who co-authored InstructGPT, GPT-4, and ChatGPT's RLHF work. Almeida previously worked at Google Brain and co-founded TypeSafe AI in mid-2024 alongside Erik Gafni and Sasha Sheng.

## Key facts

- **Slug:** diogo-almeida
- **Website:** https://typesafe.ai
- **Title:** Co-founder and CEO

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