· Pro-Vice-Chancellor (Research and Innovation), University of Sussex2025–
· Acting Vice-Chancellor, University of Essex2024–2025
· Executive Dean, Faculty of Science and Health, University of Essex2019–
· Director, Institute for Analytics and Data Science, University of Essex2014–2019
· Professor, School of Computer Science and Electronic Engineering, University of Essex2012–
· Head of School, School of Computer Science and Electronic Engineering, University of Essex2009–2014
· Senior Lecturer, School of Computer Science and Electronic Engineering, University of Essex2007–2012
· Lecturer, Department of Computer Science, University of Essex2000–2007
· PhD in Computer Science, University of Essex1996–2000
· BSc in Informatics, Alexander Technological Educational Institute of Thessaloniki1991–1996
· Certificate in Education, School of Teachers of Technical and Vocational Education (S.E.L.E.T.E.)1991–1992