Easy, Hard, and Impossible Problems: The Limits of Computation. Ulam Memorial Lecture #1, September 2018.
Data, Algorithms, Justice, and Fairness. Ulam Memorial Lecture #2, September 2018.
Sending Secrets: Security and Privacy in a Quantum World. Distinguished Lecture, University of South Floria (slides), John von Neumann Public Lecture Series, Wisconsin Institutes for Discovery (video) and a Santa Fe Institute Community Lecture (video).