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David Cash is a Professor in the Department of Computer Science at the University of Chicago. His research focuses on Applied Theoretical Cryptography and Computer Security, particularly in building and analyzing systems securely for navigating encrypted data. He has worked on constructing quantum-secure cryptography and proving fundamental results in theoretical cryptography. David is actively involved in understanding and defending against emerging threats in an increasingly computational world, concentrating on the mathematical foundations of computation, algorithm design, and complexity logic. He leads a vibrant, collaborative research community with diverse and synergistic interests that span systems, programming languages, software engineering, and hardware. Throughout his career, he has received numerous awards, including the 2025 Quantrell Award for Undergraduate Teaching and the 2015 CAREER Award as a research fellow at the Simons Institute.
University of Chicago • Chicago, IL
Joined the Computer Science faculty, specializing in cryptography and cybersecurity.
Department of Philosophy