US CN RU

Corporate Management


David M. Demshur

Chairman of the Board
Chief Executive Officer


Lawrence V. Bruno

President


Richard L. Bergmark

Executive Vice President


Monty L. Davis

Senior Vice President
Chief Operating Officer


Mark F. Elvig

Senior Vice President, Secretary
General Counsel


Christopher S. Hill

Senior Vice President
Chief Financial Officer


Kevin G. Daniels

Vice President
Chief Accounting Officer


Gwendolyn Y. Schreffler

Senior Vice President
Corporate Development & Investor Relations

Operations Management


Alastair J. A. Crombie

Vice President
Reservoir Description


Peter W. G. Boks

Vice President
Reservoir Description


Michael J. Flecker

Vice President
Production Enhancement


Jeffrey M. West

Vice President
Production Enhancement


David W. Hume

Vice President
Reservoir Description


James L. Gresham

Vice President
Business Development