Serving as both deputy mayor for transport and deputy chair of Transport for London since 2011, Dedring is one of Johnson’s key officials and has helped develop and deliver some of City Hall’s biggest transport projects.
She previously led on environmental policy and spent six years at Transport for London and is a qualified US lawyer with a background in regulated industries and management consultancy.
Paying tribute to his departing deputy, Mayor Johnson said: “Isabel Dedring has been an indispensable member of my team and the absolute lynchpin behind the vast improvement across every aspect of transport services in London over recent years.
“She has made a colossal contribution to our city, overseen the successful delivery of major pieces of transport infrastructure and lobbied with great effect for more.
“Isabel leaves us with a world-class transport network that Londoners can be proud of and I wish her all the very best in her future career.”
Dedring, who will take up the post of Global Transport Leader on March 21st, said: “I am absolutely delighted to be joining Arup in this role at such an exciting time for the transport industry worldwide.
“New innovations in funding, the emergence of zero-emission technologies, the need for closer integration between planning and transport, the explosion of digital technology, and ever-higher public expectations from transport are just a few examples of the changes creating opportunities in this field.
“I look forward to working closely with colleagues to build on Arup’s outstanding reputation in this area.”
Arup Group Chairman, Gregory Hodkinson commented: “Isabel brings extensive experience of leadership in transport policy, planning and delivery, and I am looking forward to her helping us to drive the firm in exciting new directions.”
London’s Transport Commissioner, Mike Brown MVO said: “Isabel has done a great job in the Mayor’s office, playing a key role helping us improve transport in London, and I am very pleased that all her experience and her ability to get things done will be retained by the industry.
“Populations in many cities and regions around the world are growing fast and Isabel’s expertise will I am sure be put to good use in her new role. I wish her every success.”
