Simon Diggle
Simon Diggle
head of supplier development
National Highways

Simon is Head of Supplier Development at Highways England where he leads the supplier development and strategic risk management programme. He is passionate about building collaborative relationships with his supply chain which result in better business outcomes for all. He is actively driving transformation at supplier and market levels that will help futureproof the sector against new challenges such as social value and decarbonisation. Simon has over 25 years’ experience in transport infrastructure spanning design, construction, programme management and intelligent transport systems. As a project manager Simon was a winner of the British Construction Industry Award for Major Project of the Year. Simon is a former Chairman of the Construction Clients’ Group. He remains committed to building client leadership capability that catalyses better strategic outcomes across the industry. He is a Chartered Civil Engineer, a Fellow of the Institution of Civil Engineers and a Member of the Chartered Institute of Procurement and Supply.