· Co-founder, Peppercoin2001–
· Co-founder, Verisign1995–
· Founder, RSA Data Security1982–
· Institute Professor, Massachusetts Institute of Technology (MIT)1974–
· Professor, Massachusetts Institute of Technology (MIT)1974–
· PhD in Computer Science, Stanford University1974–
· Postdoctoral Researcher, INRIA (Institut national de recherche en informatique et en automatique)1973–1974
· B.A. in Mathematics, Yale University1969–