2021/22
- Michael Lewis, (CEO, EON UK)
- Sir Ed Davey, (Leader, Liberal Democrats)
- Simone Rossi, (CEO, EDF Energy)
- Greg Hands MP, (Energy Minister)
- Fintan Slye, (Director, System Operator at National Grid)
- Ian Liddell Grainger, (MP, Chair, PGES)
- Regina Finn, (Chair, The Low Carbon Contracts Company)
- Jonathan Brearley, (CEO, Ofgem)
2020/21
- Dermot Nolan, (Director, Fingleton)
- Greg Jackson, (CEO Octopus Energy)
- Sir John Armitt, (Chair, National Infrastructure Commission)
- Chris Stark, (Chief Executive, Committee on Climate Change)
2019/20
- David Alcock, UK Divisional CEO, ENGIE
- Keith Anderson, Chief Executive Officer, Scottish Power
- Nicola Shaw CBE, Executive Director, National Grid
- Alex Chisholm, Permanent Secretary, BEIS
- Tom Glover, UK Country Chair, RWE
- Sinead Lynch, Chair, Shell UK Ltd
2018/19
- Fintan Slye, Director UK System Operator at National Grid
- John Hutton, Baron Hutton of Furness, Chairman of Energy UK
- The Rt. Hon. Sir Ed Davey, FRSA Kt. MP, Liberal Democrat Spokesperson for Home Affairs
- Simone Rossi, CEO Edf Energy
- Dan Monzani, BEIS and Volker Beckers
- Peter Mather, Group Regional President, Europe & Head of Country, UK, BP plc
- Martin Cave, Chairman of Ofgem
2017/18
- Sir Vince Cable MP, Leader of Liberal Democrats
- Rick Haythornthwaite, Chair, Centrica
- Professor Dieter Helm, CBE
- David Gray, Chair, Ofgem
- Greg Clark MP, Secretary of State for Business, Energy and Industrial Strategy
- Rachel Reeves MP, Chair, Business, Energy and Industrial Strategy Committee
- Dr. Johannes Teyssen, CEO, (E.ON SE)
2016/17
- Ian McCaig, CEO, First Utility
- Alistair Buchanan, Partner & Chairman, KPMG’s UK Power & Utilities Practice
- Dr Alan Whitehead, Labour MP for Southampton Test
- Cordi O’Hara, Director of UK System Operator, National Grid
- Tony Cocker, CEO, EON
- Dermot Nolan, Chief Executive, Ofgem
- Anthony Koss, Chief Executive, Drax Power Limited
2015/16
- Graham Edwards, Managing Director, Wales & West Utilities
- Prof. John Loughhead OBE FREng FTSE, Chief Scientific Adviser to DECC
- David Gray, Chair, Ofgem
- Cordi O’Hara, Director of UK System Operator, National Grid
- Francis Egan, Chief Executive Officer, Cuadrilla
- Dr Ruth McKernan CBE, Chief Executive Officer, Innovate UK
- Nick Winser CBE FREng, Chairman, Energy Systems Catapult
2014/15
- Tim Yeo MP, Chairman of the House of Commons Select Committee on Energy and Climate Change
- Ian McCaig, Chief Executive Officer, First Utility
- Paul Massara, Chief Executive Officer, RWE Npower Group
- Pat O’Doherty, Chief Executive, ESB
- Johannes Teyssen, Chief Executive Officer, E.ON SE
- Steve Holliday, Chief Executive, National Grid
2013/14
- Geoffrey Spence, Chief Executive, Infrastructure UK
- Stephen Lovegrove, Permanent Secretary, DECC
- Philip Lowe, Director-General for Energy, European Commission
- Vincent de Rivaz, Chief Executive Officer, EDF Energy
- Tom Greatrex MP, Shadow Minister for Energy and Climate Change
- Peter Lilley MP, Member of the House of Commons Select Committee on Energy and Climate Change