WJG's research interests are in lipidomics, bile acid biosynthesis and lipid biochemistry, particularly in relation to neurodegenerative disease and the immune system. WJG has more than 250 publications with more than 7,000 citations. WJG has edited two books. WJG sits on the editorial board of the Journal of Lipid Reseach and of Clinical Mass Spectrometry. WJG is a member of the International Lipid Maps nomenclature committee. WJG played international rugby union for Jamaica during his time at the University of the West Indies.