A founding Director of Momentum Transport Planning, and a Chartered Engineer, Roy has over 38 years of experience in the transport planning industry, with 14 years in the public sector and 24 years in consultancy. 

He cofounded Momentum in 2012, a con­sultancy specialising in London development planning, pedestrian studies, public realm, stadia & major events, international stations and transport interchange. Roy is also the Transport Advisor to the City Property Association and an advocate of civilising London's transport environment.