David Harris

David Harris is a highly experienced machine learning professional with a strong background in data science, currently serving as a Staff Machine Learning Engineer at Chewy since October 2019. Notable achievements include deploying a price-based ranking strategy that generated an additional $12 million in annual revenue and developing an online optimization algorithm to maximize session-level revenue. David has successfully led search engine improvement projects, increasing conversion rates, and mentored emerging talent in the field. Previously, David held roles as a Staff Data Scientist and Lead Data Scientist at Chewy, where significant contributions included designing product recommendation algorithms with substantial estimated revenue impacts. Prior experience includes a Senior Data Scientist position at Wayfair and a Fellowship at Insight Data Science, along with postdoctoral research at the University of Florida. David earned a Ph.D. in Population Biology from the University of California, Davis, and holds a Bachelor’s degree in Biology from Washington University in St. Louis.