· Advisor on AI, Robotics, Cloud Computing, and Data Analytics, U.S. Central Command (CENTCOM)2023–
· Head of AI / VP of Engineering (AI division), Google Cloud2019–
· Professor of Networked Systems, University of Cambridge2019–
· Reader in Systems, University of Cambridge2015–2019
· Dean of the School of Computer Science, Carnegie Mellon University2014–2018
· University Senior Lecturer, University of Cambridge2010–2015
· University Lecturer, University of Cambridge2007–2010
· VP, Engineering, Google2006–2014
· EPSRC Academic (Roberts) Fellow, Queen Mary University of London2005–2007
· Intel University Research Fellow, Intel2002–2005
· Foundation Researcher, Marconi2001–
· PhD Student, Monash University1997–2001
· Assistant Professor, Tenured Professor, Carnegie Mellon University1993–2006
· Masters in Computing (research), Monash University1993–1994
· Bachelors in Computing (1st class honours), Monash University1988–1992
· PhD Student, Cambridge University
· Research Intern/Employee, Hewlett Packard Research Labs
· Post-doc, MIT