Hanna Hajishirzi
VP at Microsoft AI; previously led Ai2's Olmo and Tulu open models · as of 2026-10-04 · source
Open-model researcher (Olmo, Tulu at Ai2), now a VP at Microsoft AI; advisor to Trillium Labs (Oct 2026).
News mentioning Hanna Hajishirzi (1)
- Nathan Lambert and Tom Zick launch Trillium Labs, a nonprofit for open post-training recipes and open frontier-AI science ★★
On Oct 2, 2026 Nathan Lambert (ex-Ai2 post-training lead, author of Interconnects) and Tom Zick unveiled Trillium Labs, a nonprofit "to foster the open science of frontier AI". It will publish fully open post-training recipes (data, code, evals, checkpoints) and later open infrastructure to study…
Posts (1)
- Nathan Lambert unveils Trillium Labs, a nonprofit for the open science of frontier AI original ↗ Nathan Lambert @natolambert · x · 2026-10-02
Founding announcement of Trillium Labs by the former Ai2 post-training lead (~208k views): open post-training recipes, later open infra for RSI and reward-hacking research.
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