Sam Altman / OpenAI — AI Researcher

**Sam Altman** is the co-founder and CEO of **OpenAI**, the company that brought AI into mainstream consciousness with **ChatGPT** (launched November 2022, fastest product to 100M users in history). Under his leadership, OpenAI has built GPT-3, GPT-4, GPT-4o and other GPT-4 variants, DALL-E, Codex, and the o-series reasoning models, growing from a small nonprofit research lab to a **$150B+ company** and the most consequential AI organization in the world.