Shengjia Zhao
Researcher at Meta Superintelligence Labs; earlier a contributor to GPT-4 and OpenAI o1
- Chief Scientist for the new lab effort (as stated by Meta in July 2025), Meta Superintelligence Labs12
Shengjia Zhao is a researcher at Meta. On its July 30, 2025 earnings call, Meta said Zhao was Chief Scientist for the new lab effort within Meta Superintelligence Labs, and Zhao is listed among the senior contributors to Meta's May 2026 Muse Spark Safety & Preparedness Report and the Code World Model Preparedness Report. Earlier, Zhao contributed to OpenAI models: the GPT-4 Technical Report credits Zhao as reward model lead, and the OpenAI o1 System Card lists Zhao among the foundational contributors to reasoning research.12345
OpenAI
Zhao is credited in the GPT-4 Technical Report (2023) as reward model lead and among contributors to flagship training runs, ChatGPT evaluations and model-graded evaluation infrastructure. Zhao is also listed among the authors of the GPT-4o System Card (2024), and the OpenAI o1 System Card (2024) names Zhao among the foundational contributors to reasoning research.465
Zhao's name also appears in the author lists of OpenAI's gpt-oss-120b and gpt-oss-20b model card (August 2025) and the GPT-5 System Card.78
Meta Superintelligence Labs
On Meta's July 30, 2025 earnings call, Meta described a new lab effort within Meta Superintelligence Labs, with Alexandr Wang leading the overall team, Nat Friedman leading AI products and applied research, and Zhao as Chief Scientist. In 2026 Zhao was listed among the senior contributors to Meta's Code World Model Preparedness Report and Muse Spark Safety & Preparedness Report, and among the authors of the Muse Glimmer 30B on-device agentic model report.1329
Work
Muse Spark Safety & Preparedness ReportPublished research
Listed among the senior contributors of Meta's report on pre-launch risk evaluations of Muse Spark, Meta's large language model.2
GPT-4 (external site: arxiv.org)Proprietary product
The GPT-4 Technical Report credits Zhao as reward model lead and lists Zhao among contributors to flagship training runs, ChatGPT evaluations, and model-graded evaluation infrastructure.4
OpenAI o1 (external site: arxiv.org)Proprietary product
Listed among the foundational contributors to reasoning research in the OpenAI o1 System Card.5
Career timeline
Mar 15, 2023
Credited as reward model lead in the GPT-4 Technical Report.4
Oct 25, 2024
Listed among the authors of the GPT-4o System Card.6
Dec 21, 2024
Named among the foundational contributors to reasoning research in the OpenAI o1 System Card.5
Jul 30, 2025
Meta announced Zhao as Chief Scientist of a new lab effort within Meta Superintelligence Labs.1
Aug 8, 2025
Listed among the authors of the gpt-oss-120b and gpt-oss-20b model card.7
May 14, 2026
Listed among the senior contributors to Meta's Muse Spark Safety & Preparedness Report.2
Oct 17, 2026
Listed among the authors of the Muse Glimmer 30B technical report.9
Other documented roles
Roles the sources document but that are not confirmed as current.
Related people
More sourced profiles at the same organization, in the same field, or from the same school.
- Adina WilliamsAlso at Meta
- Wojciech ZarembaAlso at OpenAI
- Abigail SeeAlso from Stanford
- Alban DesmaisonAlso at Meta
- Adam GleaveSafety and alignment
- Abubakar AbidAlso from Stanford
- Alexandr WangAlso at Meta
- Albert JiangAlso at FAIR
- Albert GuAlso from Stanford
- Alexandre GramfortAlso at Meta
- Alexander WettigLanguage models
- Andrej KarpathyAlso at OpenAI
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