2017- Present: Professor of Applied Mathematics – University of Cambridge
2013- Present: Fellow and College Lecturer in Mathematics – Trinity College, Cambridge
2015-2017: Reader in Applied Mathematics – University of Cambridge
2013-2015: University Senior Lecturer – University of Cambridge
2010-2013: Associate Professor – University of California, San Diego (USA)
2007-2010: Assistant Professor – University of California, San Diego (USA)
2006-2007: Assistant Professor – Massachusetts Institute of Technology (USA)
2005-2006: Postdoctoral Associate – Massachusetts Institute of Technology (USA)
2005: Lecturer – Harvard University (USA)