Positions
- Chair, ACM Fellows Committee (2018 - 2019)
- ACM Fellows Committee Chair, Awards Committee (2018 - 2019)
- Member, ACM Fellows Committee (2015 - 2019)
- Past Chair, SIGOPS (2007 - 2011)
- Publications Advisor, SGB Executive Committee (2006 - 2008)
- Member, Publications Board (2006 - 2007)
- Chair, SIGOPS (2003 - 2007)