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Sidi Sun

Principal Consultant, UK and Europe

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Sidi is a rail specialist with ten years of consulting experience working on rail-related projects in the United Kingdom. 

Prior to joining CPCS, Sidi worked with Jacobs and Atkins (SNC-Lavalin) as a principal consultant. 

Sidi’s areas of expertise include: 

  • Rail industry reform, including fares reform and revenue protection incentive regime in the PSC 
  • Rail demand and revenue forecast and modelling 
  • Rail franchise evaluation 
  • Rail economics such as fares and policy 
  • Business case for infrastructure investment 


  • Present: PhD in Rail Economics, University of Leeds, UK 
  • Master of Science, Transport & Business Management, Imperial College, UK 
  • Bachelor of Arts, Information Systems, Dalian University of Technology, China 

3 fun facts: 

  • Plays badminton weekly 
  • Enjoys “do-it-yourself” projects, including electrifying his son’s LEGO motorhome  
  • Has been pursuing a part-time PhD for over 7 years  

Contact Sidi

P: +1-613-237-2500