5 sources
Worth knowing because his work links earlier dense-retrieval research to later MRKL and Jamba systems, which makes his page a good bridge between classic NLP retrieval and newer hybrid LLM stacks.
Start HereAI21 Labs
Researcher Profile
Editor reviewedShai Shalev-Shwartz
Hybrid Transformer–Mamba language models (Jamba)
Chief Technology Officer at Mobileye
Important because his work bridges classical machine-learning theory, autonomous-driving safety, and more recent frontier-model research rather than staying inside a single subfield.
Organizations
Mobileye
Labs
About This Page
This profile is meant to help you get oriented quickly: why this researcher matters, what to read first, and where to explore next.
Last reviewed
March 18, 2026
Known For
The ideas, systems, and research directions that make this person worth knowing.
01
Learning theory and optimization
02
Formal safety work for self-driving systems
03
Recent foundation-model work at AI21
04
Hybrid Transformer–Mamba language models (Jamba)
05
Jamba: A Hybrid Transformer-Mamba Language Model
06
Jamba-1.5: Hybrid Transformer-Mamba Models at Scale
Start Here
Canonical papers, project pages, or repositories that anchor this profile.
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An especially valuable page for understanding how AI systems get judged in practice, because it puts human evaluation and rubric design at the center rather than treating them as an afterthought to model building.
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A useful long-tail AI21 page because it ties one of the less-public contributors to the company’s modular reasoning and hybrid-model line instead of leaving the profile as a generic Jamba coauthor page.
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A strong researcher to study if you care about the semantic side of modern language systems, especially where evaluation, structured meaning representation, and tool-using LLM architectures meet.
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Useful for understanding the AI21 line of work that tries to combine tool use, modular reasoning, and hybrid sequence architectures instead of treating LLMs as pure next-token engines.
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A field-shaping figure for agentic AI and multi-agent reasoning long before the current LLM cycle, and now one of the clearest bridges between that older intellectual lineage and AI21’s frontier-model work.
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