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My research interests are in information privacy and in computer and networks security. In particular, I study security and privacy aspects of emerging mobile and distributed computing systems, such as location-based services, delay-tolerant networks, and online voting. Some sample topics that I have worked on are:

I am also interested in access control, applied cryptography, location privacy, trust management, trusted computing, usability, and voting systems. My long-term research plan is the development of software techniques that increase the privacy of individuals who want to benefit from emerging services that manage or exploit personal information.

I am a member of the Cryptography, Security, and Privacy (CrySP) research group, the Centre for Applied Cryptographic Research, the Networks and Distributed Systems Group, and the HCI Group.

I completed my Ph.D. in Computer Science at Carnegie Mellon in August 2005. Prior to that, I received an M.S. in Computer Science from Carnegie Mellon and a Dipl. Informatik-Ing. ETH from ETH Zürich (Curriculum Vitae).