Chief Executive | Community Energy London

Research Director | Centre for London

Head of Sustainability | London Legacy Development Corporation (LLDC)

Head of Green Infrastructure | Greater London Authority

Deputy Mayor of London for Transport | Greater London Authority

Deputy Mayor for Business and Growth, Greater London Authority, and Chair of London & Partners

Chief Storyteller and City Consensus Builder | Viable Cities

Leader of Lambeth Council and Chair of London Councils | London Borough of Lambeth

Chair | London Climate Resilience Review

Regional Director | Barratt London

Partner - Sustainability and Innovation, Pollard Thomas Edwards and Chair of the Good Homes Alliance

Associate Director | Roretti

Chief Executive | Centre for London

Senior UK Correspondent | BBC News

Research Officer | Centre for London

Chief Executive | Friends of the Earth

Executive Director | Hackney Wick & Fish Island Community Development Trust

Minister for Energy | Department for Energy Security and Net Zero

Professor of Innovation and Entrepreneurship and the Head of Research, Innovation and Knowledge Exchange | Faculty of Business and Law, Birkbeck, University of London

Chief Executive and Chair of the London Sustainable Development Commission | Ashden

Chief Technology Officer | Transport for London