Pledge rates vary: pre-2025 hires up to 50% with 3:1 match; post-2024 hires 25% with 1:1 match. | Employees | 12%–18% | $46B–$68B | |
$3.3B invested across 3 rounds; no philanthropic pledge | Investor | 13%–15% | $49B–$57B | |
Alignment researcher; no publicly documented EA connections | Investor | 2%–3% | $7.6B–$11B | |
Married to Holden Karnofsky (GiveWell co-founder) | Investor | 2%–3% | $7.6B–$11B | |
Scaling laws pioneer; safety-motivated co-founder; no documented EA pledge | Investor | 2%–3% | $7.6B–$11B | |
GWWC signatory; early GiveWell supporter | Investor | 2%–3% | $7.6B–$11B | |
Former OpenAI Policy Director; responsible AI advocate; EA-adjacent framing | Investor | 2%–3% | $7.6B–$11B | |
Interpretability pioneer; participated in EA events; safety-focused | Investor | 2%–3% | $7.6B–$11B | |
GPT-3 lead author; chose Anthropic's safety mission over other options | Investor | 2%–3% | $7.6B–$11B | |
$500M already in Good Ventures nonprofit vehicle | Investor | 0.8%–2.5% | $3B–$9.5B | |
Led Series A; Skype co-founder; major AI safety funder | Investor | 0.6%–1.7% | $2.3B–$6.5B | |
$10.75B invested; exact stake undisclosed; primary cloud partner | Investor | | — | |
GIC, Coatue, D.E. Shaw, Dragoneer, Founders Fund, ICONIQ, MGX | Institutional | | — | |