Sam Altman
Co-founder & CEO, OpenAI
Sam Altman is an entrepreneur and investor whose career links startup building with AI research and deployment. He co-founded Loopt, joined Y Combinator’s first startup batch, and later became the accelerator’s president. He helped launch OpenAI in 2015 and became its CEO in 2019. Under his leadership, the company introduced ChatGPT and subsequently adopted its Foundation and public benefit corporation structure.
Get AI Secret’s free daily briefing, including Sam Altman and the wider AI industry.

At a glance
Sam Altman is an entrepreneur and investor whose career links startup building with AI research and deployment. He co-founded Loopt, joined Y Combinator’s first startup batch, and later became the accelerator’s president. He helped launch OpenAI in 2015 and became its CEO in 2019. Under his leadership, the company introduced ChatGPT and subsequently adopted its Foundation and public benefit corporation structure.
- Current role
- Co-founder & CEO, OpenAI ↗
- Previously
- President, Y Combinator ↗
- Early company
- Loopt ↗
- OpenAI founding
- 2015; founding co-chair ↗
- Known for
- OpenAI; ChatGPT; Y Combinator ↗
Sources checked . Selected career background and milestones.
Career, in context.
Selected research, leadership and career milestones, newest first.
OpenAI updates its structure
OpenAI announces its Foundation and Group PBC structure. Its current governance overview identifies Altman as CEO and a member of the Foundation board.
Source: OpenAI ↗Returns as OpenAI CEO
OpenAI publishes messages announcing Altman’s return as chief executive and a new initial board following the company’s November 2023 leadership crisis.
Source: OpenAI ↗OpenAI introduces ChatGPT
OpenAI releases ChatGPT as a research preview during Altman’s leadership. The launch introduces a conversational interface for interacting with the company’s language models.
Source: OpenAI ↗Leads OpenAI as CEO
The OpenAI LP announcement identifies Altman as chief executive as the organisation creates a capped-profit entity to support its research and deployment work.
Source: OpenAI ↗Helps launch OpenAI
OpenAI introduces itself as a nonprofit artificial intelligence research company, naming Altman and Elon Musk as co-chairs of its founding leadership team.
Source: OpenAI ↗Becomes president of Y Combinator
Paul Graham announces that Altman will become Y Combinator’s president starting with the next batch, taking responsibility for leading the startup accelerator.
Source: Y Combinator ↗Loopt is acquired by Green Dot
Y Combinator’s later biography records Green Dot’s acquisition of Loopt in 2012, after Altman built the company through its initial startup period.
Source: Y Combinator ↗Co-founds Loopt
Altman co-founds Loopt and participates in Y Combinator’s first summer batch. The location-based startup precedes his later accelerator leadership and AI company work.
Source: Y Combinator ↗
Show earlier historyHide earlier history
The latest on Sam Altman
Newest firstRelated reporting
Briefs, articles and relevant sections, newest first. Explore older coverage below.
More coverage
Takes Over
Plus: Richer Agents Will Eat First, Musk Is Boosting Coding
Cursor Signed a Distorted Deal
Plus: ChatGPT Images 2.0, Games Are Becoming AI Worlds
Musk Thinks AGI Is Brute Force
Plus: A Corporate Guillotine, DeepSeek Finally Needs Money
Modern Galileo Moment
Plus: Claude Banned Peter Steinberger, Alibaba Claims HappyHorse-1.0
HappyHorse Disappears
Plus: Meta Ships Muse Spark, GLM Claims It Kills Opus
Mythos Preview Leaks
Plus: OpenAI Credibility Crisis Deepens, Musk Pulls Intel Into TeraFab
Drug Discovery Starts Tokenizing
Plus: Apple Rebuilds Siri, Agent Memory Just Broke the Limit
The Private Brain
Plus: Codex Is Gunning for Claude Code, Speed Is the AI Constraint
First Model Built for OpenClaw
Plus: Pokemon's Free AI Labor, Elon Musk Resets xAI








