· Senior Principal Scientist, Amazon Web Services (AWS)2020–
· Non-Tutorial Fellow, Magdalen College, University of Oxford2008–2020
· Professor, University of Oxford2007–2020
· Assistant Professor, ETH Zürich2004–2007
· Postdoctoral Researcher, Carnegie Mellon University2001–2004
· Doctorate in Computer Science, Saarland University2001–
· Diploma in Computer Science and Economics, Saarland University1999–