Vivian Xiao

CIS 5450 Head Teaching Assistant at University of Pennsylvania

Vivian Xiao is a dedicated student and researcher at the University of Pennsylvania, currently serving as a Teaching Assistant for CIS 2450 and CIS 5450, and engaged in machine learning research. In collaboration with the Wharton Analytics Fellows, Vivian holds the position of Senior Analyst, analyzing customer behavior for IKEA's e-commerce platform and developing predictive machine learning models. Previous experience includes internships as a Software Engineer at MongoDB, where a query history autocomplete feature was developed, and at Constellation, where CI/CD pipelines were redesigned for efficient real-time data analysis. Additionally, Vivian was an Undergraduate Research Fellow at the National Institute of Standards and Technology, applying advanced algorithms to study diagnostic markers in health data. Educationally, Vivian is pursuing both a Bachelor’s and Master’s degree in Computer Science at the University of Pennsylvania, enrolled from August 2022 to May 2026.

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University of Pennsylvania

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The University of Pennsylvania is one of the oldest universities in America and, as a member of the Ivy League, one of the most prestigious institutions of higher learning in all the world. Penn is home to 12 schools including the School of Arts and Sciences, the School of Nursing, the School of Engineering and Applied Science and the Wharton School of Business, as well as several graduate and professional schools such as the School of Medicine.


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