CHAIRMAN (RETIRED), SCHLUMBERGER – MIDDLE EAST AND ASIA
CHAIRMAN, PRESIDENT AND CEO, NAVIGATOR HOLDINGS, LTD.
VICE PRESIDENT (RETIRED), CHEVRON CORPORATION
EVP AND CFO (RETIRED), MCDERMOTT INTERNATIONAL, INC.
CHAIRMAN, FIRST RESERVE
President and Chief Executive Officer Weatherford International, plc
PRIVATE INVESTOR, BLACK JACK RESOURCES, INC.
PARTNER AND CHAIRMAN, BTG PACTUAL MEXICO
CHANCELLOR, ABERYSTWYTH UNIVERSITY
CHAIRMAN, DERWENT LONDON PLC