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118 people who shaped AI or shape it now. Each page shows the current role (with its source), public accounts, role changes, and every event, post and video here that mentions them. Only public, professional information. Corrections or removal requests: contact@postcutoff.com.

Lab leaders (25)

Fidji Simo

Part-time advisor, OpenAI (former CEO of Applications / AGI Deployment) · @fidjissimo

Ran all of OpenAI's product and business teams as CEO of Applications (later titled CEO of AGI Deployment) from August 2025 until July 2026.

0 events · 0 posts

Researchers (46)

Andrej Karpathy

Pre-training researcher, Anthropic (Eureka Labs paused) · @karpathy

OpenAI founding member, former Tesla AI director and influential educator who coined 'vibe coding'; joined Anthropic's pre-training team in May 2026.

3 events · 5 posts · 1 videos
Latest: Google launches Gemini 3 (2025-11-18)

Neel Nanda

Mechanistic interpretability lead, Google DeepMind · @NeelNanda5

Leads mechanistic interpretability at Google DeepMind; independently replicated GPT-6 Astra's no-chain-of-thought capability jump.

2 events · 1 posts · 3 videos
Latest: OpenAI releases GPT-6 Astra, its first GPT-6 model (2026-09-03)

Amanda Askell

Head of personality alignment, Anthropic · @AmandaAskell

Philosopher who shaped Claude's character and constitution at Anthropic.

0 events · 0 posts

Andrew Ng

Founder, DeepLearning.AI; co-founder, Coursera; adjunct professor, Stanford · @AndrewYNg

Co-founded Google Brain, led Baidu AI and taught machine learning to millions online.

0 events · 0 posts

Max Tegmark

Professor of physics, MIT; president, Future of Life Institute · @tegmark

Leads the Future of Life Institute, which organized the 2023 'pause' letter.

0 events · 0 posts

Nick Bostrom

Principal Researcher, Macrostrategy Research Initiative

Philosopher whose 2014 book 'Superintelligence' put AI existential risk on the map; founded Oxford's Future of Humanity Institute.

0 events · 0 posts · 8 videos

Sam Bowman

AI alignment researcher, Anthropic (on leave from NYU) · @sleepinyourhat

NLP researcher (GLUE, SNLI) who works on alignment and model welfare at Anthropic.

0 events · 1 posts · 2 videos

Engineers (7)

Boris Cherny

Creator and head of Claude Code, Anthropic · @bcherny

Created Claude Code, Anthropic's terminal coding agent, and leads it.

0 events · 2 posts · 5 videos

Mike Krieger

Co-lead of Anthropic Labs · @mikeyk

Instagram co-founder who was Anthropic's chief product officer from 2024 and then moved to co-lead its Labs incubator.

0 events · 1 posts

Logan Kilpatrick

Product lead, Google AI Studio and Gemini API · @OfficialLoganK

Public face of Google's Gemini API and AI Studio; previously led developer relations at OpenAI.

0 events · 1 posts · 2 videos

Policy & government (20)

Founders (7)

Investors (3)

Commentators & writers (7)

Ethan Mollick

Associate professor, Wharton School · @emollick

Author of 'Co-Intelligence' and the One Useful Thing newsletter on AI at work and in education.

0 events · 1 posts

Others (3)