Jonathan is a professional economist with almost 40 years of industrial experience, principally in the aviation and telecommunications sectors. Previously, he was chief economist of Heathrow Airport, securing critical elements of the regulatory framework, such as the weighted average cost of capital and the methodology used for determining traffic forecasts. He was also head of regulatory economics at Vodafone Group, head of economic and regulatory analysis at the Cable and Wireless Group, and a senior consultant for NERA, working across telecommunications and other regulated sectors. Jonathan has a PhD in economics from City University, London.