Research Areas


Doug Tygar was a Professor of Computer Science at UC Berkeley and also a Professor of Information Management at UC Berkeley. He worked in the areas of computer security, privacy, and electronic commerce. His research included privacy, security issues in sensor webs, digital rights management, and usable computer security. His awards include a National Science Foundation Presidential Young Investigator Award, an Okawa Foundation Fellowship, a teaching award from Carnegie Mellon, and invited keynote addresses at PODC, PODS, VLDB, and many other conferences.

Doug Tygar wrote three books; his book Secure Broadcast Communication in Wired and Wireless Networks (with Adrian Perrig) is a standard reference and has been translated to Japanese. He designed cryptographic postage standards for the US Postal Service and has helped build a number of security and electronic commerce systems including: Strongbox, Dyad, Netbill, and Micro-Tesla. He served as chair of the Defense Department's ISAT Study Group on Security with Privacy, and was a founding board member of ACM's Special Interest Group on Electronic Commerce. He helped create and remains an active member of TRUST (Team for Research in Ubiquitous Security Technologies). TRUST is a new National Science Foundation Science and Technology Center with headquarters at UC Berkeley and involving faculty from Berkeley, Carnegie Mellon, Cornell, Stanford, and Vanderbilt.

Before coming to UC Berkeley, Dr. Tygar was tenured faculty at Carnegie Mellon's Computer Science Department.. He received a BA from UC Berkeley and a PhD in computer science from Harvard University, working with Michael Rabin on secure operating systems.

Doug Tygar passed away on January 16, 2020.


  • 1986, Ph.D., Computer Science, Harvard
  • 1982, B.A., Computer Science, University of California, Berkeley

Awards, Memberships and Fellowships