01-10-2006  Professor of Archaeology University of York

2003 – 2005  Reader in Archaeology University of York

2001 – 2003  Reader in Biogeochemistry, University of Newcastle upon Tyne

1992 – 2001 Lectureship in Biogeochemistry, University of Newcastle upon Tyne

1990 – 1992 PDRA: NERC Biomolecular Palaeontology Special Topic. Dept. of Geology, University of Bristol 

1989 – 1990 Royal Society European Fellowship, Dept. of Chemistry, Uni. of Leiden

1986 – 1989 NERC Research Fellowship, Dept. of Geology, University of Glasgow/ Dept. of Biochemistry, University of Leiden

1982 – 1986 University of Glasgow ‘Taphonomic process in a deep water Modiolus-brachiopod assemblage from the West Coast of Scotland’ 

1979 – 1982.BSc Zoology with Marine Zoology (UCNW, Wales)

My research focuses on old proteins. I attempt to identify samples by differences in protein sequence,  date samples by the extent of protein degradation and if both fail, to understand pathways of decay in archaeological materials