Royal Dutch Shell chief van der Veer listens to a speech in Vienna
Royal Dutch Shell Chief Executive Jeroen van der Veer listens to a speech during the Fourth OPEC International Seminar in Vienna March 18, 2009. The Fourth OPEC International Seminar takes place at the historic Hofburg palace from March 18 to 19. REUTERS/Herwig Prammer (AUSTRIA ENERGY HEADSHOT)