Paul Skinner, Chairman, Infrastructure UK and former Chairman, Rio Tinto, speaking at the Rustat Conference on Infrastructure and the Future of Society
Dr John Jenkins CMG LVO, HM Ambassador to Iraq speaking at the Rustat Conference on the Future of Democracy
Sir Terry Leahy, CEO Tesco, participant at the Economic Crisis conference
Terry Macalister, Energy Editor, The Guardian, speaking at the Infrastructure for Energy, Water and Cities conference
Rustat Conference lunch in the Master's Lodge, Jesus College, Cambridge
Lord Eatwell, Professor of Financial Policy, Cambridge University, and Robert Chote, Director of Institute for Fiscal Studies, at the Economic Crisis Rustat Conference
Ed Husain, Director, Quilliam Foundation and Sir Samuel Brittan, Financial Times
Matthew Taylor,CEO RSA, and Professor Ali Ansari, Director of the Institute of Iranian Studies, St Andrews University
Sally Keeble MP, Treasury Select Committee, and Lord Turnbull, former Cabinet Secretary and Head of the Civil Service.
Dominic Casserley, Managing Partner, McKinsey, UK and Middle East, and Doug Richard, entrepreneur
Ed Stourton, BBC journalist and presenter, and Catherine Pepinster, Editor, The Tablet
Sir Richard Dearlove, former Chief, Secret Intelligence Service, at the Rustat Conference on Cyber Security.
Paul Collacott, Director Cyber Policy, GCHQ
Lord Watson of Richmond, Chairman CTN Communications, and Professor Robert Mair, Master, Jesus College and Professor of Geotechnical Engineering, Cambridge University
Lord Gus Macdonald CBE PC - Adviser to Macquairie Capital, former Minister for Transport and for the Cabinet Office, and Dr Julian Allwood, Senior Lecturer in Engineering, Cambridge University
Ray O'Rourke, Chairman and CEO, Laing O'Rourke
Peter Horrocks, Director BBC World Service and Peter Nolan, Sinyi Professor of Chinese Management, Cambridge University
Dr David Runciman, Senior Lecturer in Politics, Cambridge University and George Brock, Professor of Journalism, City University