| Mar 2023 – date | Adjunct Professor, QU-Health, Research and graduate studies, Qatar University, P.O. Box 2713, Doha Qatar. |
| Feb 2021 – Mar 2023 | Lead Proteomics Core, School of Medicine, QU Health, Qatar University, P.O. Box 2713, Doha Qatar. |
| Jan 2020 – Mar 2023 | Professor of Basic Medical Sciences, and chairperson of Metabolic Disorders and Diabetes Group (MDDG), Depart of Basic Medical Science, College of Medicine, QU Health, Qatar University, P.O. Box 2713, Doha Qatar. |
| Aug 2016 – Dec 2019 | Deputy Director of RTP – Proteomics, Warwick Medical School/ Zeeman Institute, University Hospital, University of Warwick, Coventry, U.K. |
| Jun 2014 – Dec 2019 | Reader in Experimental Systems Biology, Warwick Medical School Clinical Sciences Research laboratories, University Hospital, University of Warwick, Coventry, U.K. |
| Oct 2010 – May 2014 | Associate Professor of Experimental Systems Biology, Director of AGEomics and Systems Biology Group, Clinical Sciences Research Laboratories, Warwick Medical School, University of Warwick, Coventry CV2 2DX, U.K. |
| Jan 2007 – Sep 2010 | Assistant Professor of Experimental Systems Biology, Protein Damage and Systems Biology Research Group, Clinical Sciences Research Institute, Warwick Medical School, University of Warwick, Coventry CV2 2DX, U.K. |
| Jan 2006 – Dec 2009 | British Heart Foundation Intermediate Research Fellow, Clinical Sciences Research Institute, University Hospital, University of Warwick, Coventry CV2 2DX, U.K. |
| Mar 2004 – Dec 2006 | Part-time lecturer in Biochemistry, Department of Biological Sciences, University of Essex, Colchester, U.K. |
| Jan 2004 – Dec 2005 | Welcome Trust Post-doctoral Research Officer, Disease Mechanism and therapeutic Research Group, University of Essex, U.K. |
| Jan 2002 – Dec 2003 | Juvenile Diabetes Research Foundation Post-doctoral Research Officer, Disease Mechanism and therapeutic Research Group, University of Essex, U.K. |
