$25
Jersey Tee · from
Cut
Colourway
Size
Size guidePrinted on demand, usually ships in 2-5 business days. US only. Shipping is calculated at checkout from what's in your cart. Tees and Pro Jerseys ship separately from different US print shops.
Why #7
Co-founded GiveWell in 2007.
Coming soonSeries 1 · Card 012/211
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
- 01Co-founded GiveWell and Open Philanthropy
- 02Works on Anthropic's Responsible Scaling Policy
- 03Co-author of Claude's constitution (2026)
Transfer history
Bridgewater Associates
2007–2023
GiveWell
2014–2023
Open Philanthropy
2024–2024
Carnegie Endowment
2025–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.
- Joined Anthropic Jan 2025 as member of technical staff on RSP; career and Harvard BAen.wikipedia.org ↗ (opens in a new tab)
- Anthropic confirmed his role, reporting to Jared Kaplan (Feb 2025)fortune.com ↗ (opens in a new tab)
- Listed as an author of Claude's constitution (Jan 2026)yourstory.com ↗ (opens in a new tab)
