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Yiyi Zeng

WalmartLabs
Principal Data Scientist
Yiyi Zeng is a senior manager/principal data scientist at Wal-Mart Labs. Yiyi has 12 years of extensive experience in business analytics and intelligence, decision management, fraud detection, credit risk, online payment and e-commerce across various business domains including both Fortune 500 firms and startups. Yiyi and her team use supervised and unsupervised machine learning technics to detect frauds including stolen financial, account take over, identity fraud, promotion/return abuse & victim scam. Yiyi is enthusiastic about mining large-scale data and applying machine learning knowledge to improve business outcomes.