Rosa Diez
Rosa Diez
Projects Principal
Mott MacDonald

Rosa Diez is a Project Director for Mott MacDonald Ltd currently working as Tunnel Technical Lead for HS2 Northern tunnels. Rosa has more than 25 years experience in the design and construction of major underground projects around the world, particularly in the metros, railways and hydro sectors. After completing her MSc at Imperial College in Engineering Geology, she has worked for several major international consultancies, managing large design teams for underground projects such as the Heathrow Express, Channel Tunnel Rail Link, Victoria Station Upgrade, Porto Metro and the Crossrail C121 SCL contract.