$25
Jersey Tee · from
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Why #8
Joke number: 8, as in an eight-GPU node, the unit of measure on an inference team. Not a stat about him.
Coming soonSeries 1 · Card 013/211
The trading card
Every player in the league gets a card. The front shows the kit and the back has the stat line: transfer history, scouting report and the story behind the number. Tap it to flip it over.
Printed cards aren't on sale yet. They're coming as random packs and team packs.
See the full setScouting report
Known for
- 01Thinking Machines Lab co-founder who left for Meta in October 2025
- 02Helped train GPT-4o, GPT-4.5 and o3 at OpenAI (per his homepage)
- 03Left Meta's TBD Lab in Sept 2026; WSJ and Business Insider reported he joined Anthropic's inference and performance team (not confirmed by Anthropic)
Transfer history
Meta
OpenAI
2025–2025
Thinking Machines Lab (co-founder)
2025–2026
Meta Superintelligence Labs (TBD Lab)
2026–now
Anthropic
Current club
Fact check
Receipts
Every fact on this page, with a link. Data as of 2026-10. Spot something stale? Tell us.
- Leaving Meta (Semafor exclusive, 2026-09-09); worked in TBD lab; next move unclearsemafor.com ↗ (opens in a new tab)
- TML co-founder who left for Meta in October; joined MSL under Wangthenextweb.com ↗ (opens in a new tab)
- Homepage (undated, stale: still says 'Now at Meta TBD Lab'): GPT-4o/4.5/o3 at OpenAI, TML co-founder, Sydney and Cambridgetullo.ch ↗ (opens in a new tab)
- Left Thinking Machines for Meta, Oct 2025en.wikipedia.org ↗ (opens in a new tab)
- Meta hires Tulloch from Thinking Machinesthe-decoder.com ↗ (opens in a new tab)
- Leaving Meta after less than a year; WSJ reported he is joining Anthropic, neither company confirmed (Sept 10, 2026)thenextweb.com ↗ (opens in a new tab)
- Joining Anthropic's inference and performance team, starting the following week, per Business Insider and a Forbes source; Anthropic declined to comment (Sept 11, 2026)forbes.com.au ↗ (opens in a new tab)
