The University of Texas at Austin
Yanhong LiResearcher
Thinking Machines Lab
Member of Technical Staff
via Thinking Machines Lab
Researcher · Engineer
Stephen Roller
SR
Member of Technical Staff at Thinking Machines Lab
Roller helped establish modern open-domain dialogue research at Meta FAIR, co-leading BlenderBot and work on the Cicero agent that paired language with strategic reasoning in Diplomacy. He later led pretraining infrastructure at Character.AI and now builds frontier systems at Thinking Machines Lab.
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Background
Current role
Member of Technical StaffThinking Machines Lab
Thinking Machines LabPreviously
2017-2023Senior Staff Research Engineer, FAIR, 
Meta
MetaSenior Staff Research Scientist, 
Google DeepMind
Google DeepMindMember of Technical Staff, Pretraining and Training Infrastructure, 
Character.AI
Character.AIEducation
About this data
Work and education history is primarily focused on AI-relevant roles and may not be comprehensive.
Last editorial review: August 10, 2026