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 AND CO-CEO, 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