Sean J. Taylor is a data scientist at Lyft's Rideshare Labs, where he works on causal inference, experimentation, and forecasting. Previously, he led the applied statistics team in Facebook’s Core Data Science team. He earned his PhD in Information Systems from NYU’s Stern School of Business as well as a BS in Economics from Wharton School. He specializes in using machine learning, statistics, and randomized experiments for measurement, forecasting, and policy decisions. He is also an avid engineer who enjoys putting research into practice by building software, such as his forecasting library Prophet.