Elena Grewel is the Head of Data Science at Airbnb, where she is responsible for driving the strategy for how Airbnb uses data for decision making and to infuse products and processes with algorithms.  She started as one of the first data scientists at the company, where her initial work set up frameworks for understanding the impact of company initiatives – from the operations teams to the product teams. Her mission is to create a data-driven culture of experimentation at the company. Key initial projects included the impact of Airbnb’s first identify verification product, and the change to double-blind reviews, in which guests and hosts only see the other’s review after each has been written, which she found led to more honest reviews and increased the number of reviews. A year ago she became the leader of the broader team of ~100 data scientists, analytics, and machine learning specialists. She championed the development of the “Data University” to educate the entire company on how to use data better, and to start a machine learning infrastructure team, responsible for tools to enable every team at Airbnb to use machine learning. Prior to Airbnb, Elena received a Ph.D. in Education and an M.A. in Economics from Stanford University. Originally from New Haven, Connecticut, she received a B.A. from Yale University

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