Rt Hon Nick Clegg MP Deputy prime minister Duncan Brack Vice chair, Liberal Democrats Federal Policy Committee
Martin Garratt Chief executive, Cambridge Cleantech Dr Julian Huppert MP for Cambridge
Duncan Hames MP for Chippenham
Christoph Harwood Partner, Marksman Consulting
Simon Roberts OBE Chief executive, Centre for Sustainable Energy
Lord Shipley OBE Adviser to Rt Hon Greg Clark MP, minister for cities
Cllr Keith House Leader, Eastleigh Borough Council
Colin Skellett OBE Chairman, West of England Local Enterprise Partnership
Merlin Hyman Chief executive, Regen SW
Juliet Davenport OBE CEO & founder, Good Energy
Green liberalism: a local approach to the low carbon economy