Daphne Keller directs the Program on Platform Regulation at Stanford’s Cyber Policy Center. Her work focuses on platform regulation and internet users’ rights. She has published both academically and in popular press; testified and participated in legislative processes; and taught and lectured extensively. Her recent work focuses on legal protections for users’ free expression rights when state and private power intersect, particularly through platforms’ enforcement of terms of service or use of algorithmic ranking and recommendations. Until 2020, Keller was the director of intermediary liability at Stanford’s Center for Internet and Society. She also served until 2015, as associate general counsel for Google, where she had primary responsibility for the company’s search products. Keller has taught internet law at Stanford, Berkeley, and Duke law schools. She is a graduate of Yale Law School, Brown University, and Head Start.