Duncan joined the Food Science team within Defra’s Agri-Food Chain Directorate in 2018, where he works at the science/policy interface, particularly in the areas of Food Systems and Partnerships. Prior to joining Defra, Duncan worked at the Home Office Centre for Applied Science and Technology, where he led the Contraband and Threat Detection group. Duncan has specific experience in the use of technology for the detection of threats, and also in small molecule identification, particularly the detection of drugs. Duncan has worked on a variety of projects at the interface of science and policy in a number of different areas, including in food systems; partnerships; capabilities; and law enforcement. He has undertaken a number of secondments to further his understanding of the effective use of science and evidence in policymaking.