· Julius Silver Professor of Computer Science, New York University2018–
· Research Scientist, Simons Foundation2007–
· Startup Co-founder, ShieldIP2001–2014
· Invited Professor, INRIA1991–
· Associate Professor, New York University1990–1995
· Bell Labs Consultant, AT&T Bell Laboratories, Unix System Laboratories, and Novell1987–1995
· Technical Consultant (Pro Bono), Ellis Island Restoration Commission1987–1991
· Ph.D. in Applied Mathematics, Harvard University1984–
· Assistant Professor, New York University1984–1990
· M.Sc., Syracuse University1980–
· Hardware Engineer, IBM Data Systems Division1977–1980
· B.Sc. in Electrical Engineering, Yale University1977–
· Associate Director, NYU WIRELESS