Senior Manager and Principal Data Scientist, Walmart Labs
Yiyi Zeng is a senior manager and principal data scientist at Walmart Labs, where she and her team use supervised and unsupervised machine learning techniques to detect fraud including stolen financials, account takeover, identity fraud, promotion and return abuse, and victim scams. She has 12 years of extensive experience in business analytics and intelligence, decision management, fraud detection, credit risk, online payment, and ecommerce across various business domains including both Fortune 500 firms and startups. She’s enthusiastic about mining large-scale data and applying machine learning knowledge to improve business outcomes.
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