John Downer


Rail Market Sector Director for UK & Ireland


An environmental scientist by degree, John spent the first 13+ years of his career in waste management strategy, policy and contracting. He is a Fellow of the Chartered Institution of Wastes Management. He switched to the rail industry in 2014, and over the next seven years has helped to win major contracts with clients such as HS2, Network Rail, DfT, EWR and TfL.

He joined the High Speed Rail Group Board of Directors in 2017 and on behalf of the Board he led the both the HSRG Carbon and Nature reports.

His current role with Jacobs is Rail Market Sector Director for UK & Ireland, with accountability for sustainable business growth with rail clients. Having spent the last 7 years driving decarbonisation on rail projects and creating the role of Head of Rail Decarbonisation in 2019, John launched his “Net Zero Rail – Network of the Future” report in June 2021.

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