Lei S. is a Senior Applied Scientist at Amazon, specializing in Search Experience Science since 2024, after serving as a Principal Data Scientist at Gopuff from 2023 to 2024. Previously, they developed machine learning, data analytical, and econometric solutions at Amazon from 2017 to 2023, focusing on ranking algorithms and reinforcement learning. Lei S. holds a PhD from the University of Technology, Sydney, earned in 2013, and a Master’s degree from the University of Sheffield, completed in 2005.
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