Sasha Sheng
Co-founder and COO of TypeSafe AI; former research engineer at Meta and FAIR
- Founder and COO, TypeSafe AI1
Sasha Sheng is a founder and the COO of TypeSafe AI, a San Francisco company that builds System One models returning typed, probabilistic decisions for software automation. TypeSafe's team page describes Sheng as a former research engineer at Meta and FAIR, where Sheng worked on News Feed, AI experiences and AI research, and notes published work at NeurIPS and ECCV.12
Career
Before TypeSafe, Sheng was a research engineer at Meta and its FAIR research group, working across News Feed, AI experiences and AI research, and published work at the NeurIPS and ECCV conferences. TypeSafe's team page lists Sheng among the company's three founders, as COO, alongside CEO Diogo Almeida and CTO Erik Gafni.1
TypeSafe came out of two years in stealth in September 2026 with Jev, a model that answers typed questions about supplied input with structured values and probabilities.2
Work
TypeSafe AI System One models (Jev) (external site: typesafe.ai)Proprietary product
Part of TypeSafe's founding team as COO when the company launched its first System One model, Jev, in early access in September 2026.12
Career timeline
Other documented roles
Roles the sources document but that are not confirmed as current.
- Research engineer working on News Feed, AI experiences and AI research (past), Meta (FAIR)1
Related people
More sourced profiles at the same organization, in the same field, or from the same school.
- Diogo AlmeidaAlso at TypeSafe AI
- Alec RadfordLanguage models
- Erik GafniAlso at TypeSafe AI
- Ali FarhadiMultimodal models
- Abdelrahman MohamedAlso at Facebook AI Research
- Armen AghajanyanAlso at Meta
- Adina WilliamsAlso at Meta
- Dani YogatamaLanguage models
- Aditya GroverAlso at Meta Fundamental AI Research
- Douwe KielaAlso at Facebook AI Research
- Ahmad Al-DahleAlso at Meta
- Hoifung PoonMultimodal models
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