· Principal Staff Software Engineer, LinkedIn2025–
· Adjunct Professor, University of Massachusetts Amherst2025–
· Professor (on Leave), University of Massachusetts Amherst2021–2025
· Co-Founder And CEO, Tumult Labs2019–2025
· Professor, University of Massachusetts Amherst2017–2021
· Research Data Scientist, U.S. Census Bureau2017–2019
· Visiting Professor, INRIA2012–2013
· Associate Professor, University of Massachusetts Amherst2011–2017
· Assistant Professor, University of Massachusetts Amherst2005–2011
· Research Intern, IBM, Almaden Research Center2003–2003
· Research Intern, Lucent / Bell Laboratories2002–2002
· Doctor of Philosophy (Ph.D.) Computer Science, University of Washington2001–2005
· Doctor of Philosophy (Ph.D.), Computer Science, University of Washington2001–2005
· Master of Science (M.S.), Computer Science, University of Washington1999–2001
· Associate, Derivatives Trading, J.P. Morgan1996–1998
· Bachelor of Arts (B.A.), Math / Rhetoric, University of California, Berkeley1991–1995