Dr Glenville Jones has over 35 years of experience in teaching and research in academia and industry. He was trained in the UK (Liverpool) and in USA (Wisconsin) and was a Professor at U of Toronto and Scientist at Hospital for Sick Children before moving to Queen’s University in 1984 where he was Head of Biochemistry (2002-2011). His research interests focus on the biochemistry and pharmacology of vitamins D & A; and their clinical applications. Dr Jones is also interested in mass spectrometry (LC-MS/MS) of small molecules (lipidomics). With over 200 career publications, his work has defined the mechanisms by which vitamins A & D are broken down in the body by cytochrome P450-containing enzymes. His work covers all aspects of these enzymes from test-tube studies of the isolated cytochrome to genetic defects in children. Dr Jones is a member of the advisory board of DEQAS, the global external quality assurance scheme that monitors vitamin D assays and analysts. Most recently (2009-2011), he was a member of the US/Canada-sponsored National Academy of Sciences/Institute of Medicine committee which set nutritional guidelines for vitamin D and calcium in North America.