Yan Liu is a data scientist currently employed at PayPal since February 2025. Previously, Yan held the role of Data BP at 麦当劳中国 from July 2024 to February 2025 and served as a Senior Data Scientist at Block from June 2021 to February 2024. Yan worked as a Senior Data Analyst at eBay from March 2019 to June 2021, focusing on A/B testing in paid search and app download channels to inform strategic decisions. Earlier experience includes serving as a Data Science Statistical Analyst at Circana, where responsibilities included conducting statistical research studies, and a Data Visualization/Statistics Intern at Scopio, where data was managed and visualizations were created. In addition, Yan has a background as a Data Intern at Royal Canin and a Research Assistant - Data Analyst at the Shanghai Advanced Institute of Finance at SJTU. Yan holds a Master’s Degree in Statistics from Columbia University and dual Bachelor’s Degrees in Mathematics and Economics from Shanghai Jiao Tong University.
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