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Lesley Hinds
Lord Provost, City of Edinburgh Council

Sue Stuart
Head, Edinburgh Convention Bureau

Thorleif Egeli
North Sea Marketing Manager, Schlumberger Oilfield Services

Mr Karl Sakapaji
Business Development, Pathfinder Energy Services Ltd

George Bruce
General Manager, Core Laboratories (U.K.) Ltd

Professor Patrick Corbett
Head of Institute of Petroleum Engineering, Heriot-Watt University

Professor David Macdonald
Head of School of Geosciences, University of Aberdeen

Peter Rowe
Senior Geoscientist, Department of Trade and Industry

Roland Gelling
Chief Petrophysicist, Shell Exploration Europe

Dr Tim Pritchard
Head of Petrophysics, BG Group Plc

Mr Mike Webster
Director of Petrophysics, BP Exploration

David Bell
Vice President Exploration, CNR International

Dr Ajay Sapru
Region Geosciences Manager, Baker Hughes

Martin Perry
Chief Executive Officer, Sondex plc

Ian Walker
Chief Geologist, ConocoPhillips

Click here to view a selection of letters received.