Ming Zhang

Pittsburgh, Pennsylvania

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National School of Computer Science and Applied Mathematics of Grenoble

University of Pennsylvania

Ph.D. Student at upenn.edu

Yao Xu

Statistical Analyst at upenn.edu

Director of Access and Quality at upenn.edu

Ruidong Liu

Software Engineer at duolingo.com

Internal Events Manager at duolingo.com

Eric Pitts

Senior Manager, Workplace Experience and Real Estate at duolingo.com