Dyan Crowther


Book Appointment

Dyan is currently the CEO of HS1 Ltd and has over 10 years’ experience at board level having held non-executive directorships at East West Railway Co, The British Transport Police Authority and East & North Herts Foundation Trust (NHS). Dyan is currently Chair of The National Skills Academy for Rail and in the past has been a trustee for The Railway Children, and Women in Rail, both registered charities. In March 2022 she was appointed to the Board of Great Britain’s Railways.

Specific areas of expertise include transformational change, strategic planning, operations and understanding complex systems. Dyan was Head of Operations for Network Rail and led on strategic safety risk reduction initiatives and acted as the national media lead on operational matters.

In her current role as CEO at HS1, Dyan had led the organisation through the pandemic crisis, delivered exceptional asset performance through the supply chain, responded to a severe revenue shock and maintained the liquidity of the company. Her exceptional stakeholder management skills have maintained lender and government confidence in the business.

The role consists of leading a team of 60 people with delivering an EBITDA of £200m per annum.

NED & Board Advisory Experience:

  • 2022 – To date: Non - Executive Director- Great British Railways
  • March 2019-To date: Non - Executive Director- East West Rail Company
  • April 2018 – To date: Vice President, European Infrastructure Managers
  • March 2021 – To date: Chair, National Skills Academy for Rail
  • February 2020 – September 2021, Member of Cross Rail Advisory Panel (post delayed opening)
  • April 2015 – July 2019: Member British Transport Police Authority
  • April 2017 – March 2022: Trustee Women in Rail
  • April 2012 – March 2017: Trustee The Railway Children
  • May 2010 – May 2015: Non - Executive Director- East & North Herts NHS Trust


  • Operations
  • Regulation
  • Governance
  • Transformation
  • Transport
  • Complex Interfaces


  • MSc Transport & Logistics
  • Level 7 Executive Coach CMCIM
  • BA (Hons) Geography
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