I am a member of Harvard's Theory of Computation research group and also lead Harvard's Privacy Tools Project.  My research areas include computational complexity, cryptography, randomness in computation, and data privacy. This fall I will teach CS 120: Intro to Algorithms and Their Limitations.

My regular office hours for Fall 2021 are still being determined. See the "Upcoming Events" below for ad-hoc office hours, as well as any changes and zoom links. If you need to meet at a time outside of office hours, please contact my faculty coordinator Allison Choat <achoat@seas.harvard.edu>.

My 2012 monograph on Pseudorandomness is on my former website.

See FAQ with answers to common inquiries (including reference letters, graduate admissions, advising, internal and external service, appointments, and refereeing) and information on contacting me.

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