Xinze Guan
- Role
- Senior Manager - Applied Research at eBay
- Location
- Bellevue, WA, US
- LinkedIn followers
- 500 followers
About Xinze Guan
Senior applied research leader for eBay risk management, leading a group of scientists…
Experience
Senior Manager - Applied Research
Jul 2017 — Present
Lead a group of applied researchers for cross functional horizontal research for eBay risk science and machine learning models development for policy enforcement through eBay member to member communications as well as prohibitive, restrictive and counterfeit item detection across the platform- Built off-eBay detection NLP models given member to member communications to prevent customers from taking transactions off site- Developed and deployed machine learning models as web service- Collaborated with third-party crowdsourcing partners for business impact and metric tracking and calculations- Significantly reduced the off-eBay rate across all major markets with over $300 million annualized GMV lift- Built buyer account-take-over model to reduce good buyer friction on the platform- Built a large scale machine learning model to detect fraudulent return activities in early stage and improve return experience for good buyers by shortening refund duration.
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