· Professor Of Molecular Imaging, University of Glasgow2025–
· Co Director, MRC Scotland Total Body PET Facility (Current)2023–
· Group Leader, Cancer Research UK Scotland Institute2017–
· Visiting Scholar, Stanford University School of Medicine2015–2015
· Head, Radionuclide Imaging, Cancer Research UK - Cambridge Institute, University of Cambridge2013–2016
· Postdoctoral Research Fellow, Cancer Research UK2009–2012
· Honorary Visiting Researcher, University of Cambridge2009–2014
· Research Fellow, University of Glasgow2008–2009
· Senior Scientist, Aptuit2007–2008
· Graduate Teaching Assistant, University of Strathclyde2003–2007