Full Professor at the University of Strathclyde, Glasgow (UK), 2000–2007
Postdoctoral Research Fellow at the University of Glasgow (UK), International Computer Science Institute at UC Berkeley (USA), and Rutherford Appleton Laboratory (UK), 1997–1999
Assistant Professor at the Department of Information Engineering, University of Padova (Italy), 1992–1997
Catedra de Excelencia at Universidad Carlos III de Madrid (Spain), 2011–2012
Isambard Kingdom Brunel Fellowship at the University of Portsmouth (UK), 2018