Executive Management

Mark A. (Mac) McFarland
Chairman of the Board, Interim Chief Executive Officer

OFFICERS
Michael L. Preston Senior Executive Vice President, Chief Administrative Officer and General Counsel Shawn M. Kerns Executive Vice President, Operations and Engineering Francisco J. Leon Executive Vice President and Chief Financial Officer

OFFICERS

Michael L. Preston

Senior Executive Vice President, Chief
Administrative Officer and General Counsel

Shawn M. Kerns

Executive Vice President, Operations and Engineering

Francisco J. Leon

Executive Vice President and Chief Financial Officer