Positions
- Members, Diversity, Equity, and Inclusion Council (2021 - 2025)
- Member, ACM A. M. Turing Award Committee (2018 - 2023)
- Chair, ACM - IEEE CS Eckert-Mauchly Award Committee (2012)
- ACM - IEEE CS Eckert-Mauchly Award Committee Chair, Awards Committee (2011 - 2012)
- Chair, Nominating Committee (2006 - 2009)
- Past President, ACM Council (2006 - 2008)
- Past President, ACM Executive Committee (2006 - 2008)
- President, ACM Council (2004 - 2006)
- President, ACM Executive Committee (2004 - 2006)
- Immediate Past Chair, SIGARCH (1997 - 1999)
- Chair, SIGARCH (1993 - 1995)
- Conferences Approver, SIGARCH (1993 - 1995)