Colin is Programme Director of NHS Education for Scotland's (NES) AIM for Workforce programme, which aims to provide analysis, intelligence and modelling to inform workforce planning for health, and the interface between health and social care, in Scotland. Colin's research interests include training and labour markets for health professionals and the analysis of administrative data. Together with Martin Chalkley, Colin has analysed the impact of supply-side incentives and demand-side cost sharing on the treatment decisions of dentists. Martin, Jim Rennie (NES) and Colin have analysed the retention of dentists within NHS Scotland after training and the variation in patients' expenditure in NHS dental services in Scotland. Colin has also examined the determinants of completion from pre-registration nursing and midwifery training in Scotland.