· Co-founder, Intrinsic (formerly GitStar)2014–2019
· Chief Scientist, Co-founder, Stellar Development Foundation (Current)2014–
· Member, DARPA ISAT2010–2013
· Éminence Grise, Koozoo2010–2014
· Consultant, Coverity2005–2005
· Professor Of Computer Science, Stanford University (Current)2005–
· Associate Professor (initially Assistant Professor), NYU2000–2007
· Intern Consultant, Bell labs1999–2000
· Intern, DEC WRL1995–1995
· Ph.D, Massachusetts Institute of Technology1995–2000
· BA, Harvard University1990–1994