Our People

James Herriott

Engineering Director

James joined Rock in September 2017, and is responsible for asset management activities for Rock’s owned operational fleets. James is a Chartered Mechanical Engineer with over 15 years’ experience in the rail industry, predominantly in rolling stock engineering. Since joining Rock, James has been the Lessor Representative responsible for the successful delivery of the 25 new Siemens Class 717 trains that entered service on GTR’s Great Northern route in late 2018, and the 58 Stadler Flirts that were successfully introduced on the Greater Anglia franchise in 2019 and 2020. He will also take on asset management responsibility for the 90 new Class 701 Aventra units that will be introduced on the South Western franchise in 2024.

James has a detailed knowledge of UK rolling stock operations and maintenance practices, including major overhauls, engineering changes and contract management, as well as experience of the commercial and contractual arrangements associated with new train procurement and refranchising.

Prior to joining Rock, James worked for Stagecoach South Western Trains, initially in engineering management roles supporting the operation and maintenance of the South West fleets, where he was responsible for managing a team of engineers delivering a wide range of projects and modifications. James then took on roles in the Stagecoach franchise bidding and mobilisation teams, including responsibility for the procurement of new rolling stock for the future franchise and the development of the rolling stock strategy.

Notable transactions


  • Rock Rail Moorgate
  • Rock Rail East Anglia
  • Rock Rail South Western
  • South Western Franchise Bid and Mobilisation – Rolling Stock Technical Lead for Stagecoach