Yunxiao Liu

Yunxiao Liu currently holds the position of Senior Applied Science Manager at Amazon, having started in September 2025. Prior to this role, Yunxiao served as the Senior Machine Learning Engineering Manager for Ads Marketplace at Reddit, where leadership involved optimizing long-term revenue growth through a focus on ads quality and measurement. Earlier experience at Twitter encompassed several positions, culminating in the role of Head of Ads Marketplace, where the emphasis was on driving growth through scientific innovation and system improvements. Additional experience includes an Applied Scientist role at Uber, participation in competitive data analysis with Citadel LLC, and a Quantitative Summer Associate position at Barclays Investment Bank. Yunxiao holds a Ph.D. in Interdisciplinary Statistics and Operations Research from The University of North Carolina at Chapel Hill, along with multiple advanced degrees from renowned institutions.