Simon Middleton

Simon Middleton is a director from our Rail business in the United Kingdom. has over 25 years of experience in transportation infrastructure, primarily in the UK rail sector. Simon's career began with Scott Wilson (an AECOM legacy company), focusing on asset management projects in the UK highway and rail sectors. He advanced to lead business development and oversee client frameworks, including international work in North America and Australia, where heavy haul rail clients adopted AECOM’s innovative asset management approach. He has held various leadership roles within AECOM’s rail business, spanning operational management, business development, and project delivery across multiple regions. Notably, he has led AECOM’s work on the Northumberland Line reopening, a project of regional and national significance. This initiative converted a freight railway to passenger services, marking the return of rail passenger services to the line since the 1960s in 2024. The project is celebrated as transformative for North East England. Simon is known for his collaborative approach and has built a wide network of trusted relationships within AECOM and the broader industry.