David BleiProfessor of Statistics and Computer Science · Columbia UniversityResearcher↗
Researcher · Academic · Founder · Executive
Arklex AICo-founder and CEO
Columbia UniversityAssociate Professor
Yu builds AI that can hold natural conversations by responding to both words and nonverbal cues. Her team’s Gunrock chatbot won the 2018 Amazon Alexa Prize for social conversation. Her research also develops ways to test AI agents by simulating the people who interact with them.
Arklex AI2023-present
Columbia University2023-present
UC Davis2017-2020Work and education history is primarily focused on AI-relevant roles and may not be comprehensive.
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Reviewed August 11, 2026 · Checked for accuracy and new information.