Yi-Ke Peng is currently a Graduate Student Researcher and Graduate Student Instructor at the University of California, Berkeley, focusing on Social Psychology and the Psychology of Personality. Previously, Yi-Ke served as a Machine Learning Engineer at Karat and held multiple roles at Triplebyte, including Technical Lead for Assessments, where Yi-Ke led the development and deployment of item response theory models for software engineering assessments. Yi-Ke also worked as a Machine Learning Engineer and Software Engineer at Triplebyte, contributing to psychometric model infrastructure and user-facing features. Earlier experience includes a Software Engineer position at App Academy and a Multimedia Reporting Fellow role at Times Union, where Yi-Ke produced award-winning multimedia content. Yi-Ke holds a PhD in Social and Personality Psychology from the University of California, Berkeley, and completed a BA in History at Cornell University, alongside other educational pursuits in documentary photography and related fields.
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