Positions
- American Association for the Advancement of Science (AAAS), Representatives to Other Organizations (2020 - 2024)
- Computing Research Association (CRA), Representatives to Other Organizations (2019 - 2023, 2021 - 2023)
- Member, ACM Fellows Committee (2017 - 2021)
- Chair, Nominating Committee (2017 - 2020)
- Past President, ACM Council (2016 - 2020)
- Past President, ACM Executive Committee (2016 - 2020)
- Members-at-Large, ACM Europe Technology Policy Committee (2016 - 2018)
- ACM Policy Award Committee Chair, Awards Committee (2015 - 2018)
- Member, ACM Policy Award Committee (2015 - 2017)
- President, ACM Council (2014 - 2016)
- President, ACM Executive Committee (2014 - 2016)
- Chair, Compensation Committee (2012 - 2016)
- Member, ACM Europe Council (2009 - 2016)
- SIG Board Past Chair, SGB Executive Committee (2010 - 2012)
- ACM Software System Award Committee Chair, Awards Committee (2009 - 2011)
- SIG Governing Board Chair, SGB Executive Committee (2008 - 2010)
- Past Chair, SIGSOFT Online (2005 - 2009)
- Council Representative, SIG Governing Board (2006 - 2008)
- Chair, SIGSOFT Online (2001 - 2005)
- Conferences Approver, SIGSOFT Online (1997 - 2001)
- Vice Chair, SIGSOFT Online (1997 - 2001)