· Visiting Professor, Harvard University2007–2008
· Associate Professor, NYU2007–2012
· Professor, New York University2001–
· Assistant Professor, NYU2001–2006
· Postdoctoral Fellow, IBM2000–2000
· Graduate Student, MIT1996–2000
· PhD, Cryptography and Computer Security, MIT1996–2000
· BA, Computer Science and Mathematics, New York University1993–1996