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OFFICERS
Gary D. Owens
Chairman of the Board
President & Chief Executive Officer

Michael J. Sheen
Senior Vice President
Chief Technical Officer

Thomas T. McEntire
Chief Financial Officer

DIRECTORS
Gary D. Owens
Chairman of the Board
President & Chief Executive Officer

Thomas L. Davis, Ph.D.
Professor of Geophysics,
Colorado School of Mines

Takashi Kanemori
Director and Senior Executive Officer
OYO Corporation

William H. Moody
Retired Partner
KPMG


Michael J. Sheen
Senior Vice President
Chief Technical Officer

Charles H. Still
Partner
Kelly Hart & Hallman L.L.P.

Richard C. White
Consultant
Oil and Gas Industry
 
Gary D. Owens joined the Company as President and Chief Executive Officer in 1997 and became a director and Chairman of the Board in that year.  From October 1993 until May 1997, Mr. Owens was the President and Chief Executive Officer of Input/Output, Inc. (now known as ION Geophysical Corp.).  Mr. Owens had held other positions at Input/Output, Inc. (now known as ION Geophysical Corp.) beginning in 1977. Takashi Kanemori has been a director of OYO Corporation, the sole stockholder of OYO Corporation U.S.A., since 2007 and has been a senior executive officer of OYO Corporation since 2009.  Mr. Kanemori had served as the president of OYO RMS Corporation, an affiliate of OYO Corporation U.S.A., from 2001 through the end of March 2009.  Mr. Kanemori was previously employed as an engineer at OYO Corporation U.S.A.  He holds a Master’s Degree in mining geophysics from the University of Kyoto.
Michael J. Sheen joined the Company as Senior Vice President and Chief Technical Officer in August 1997 and became a director in connection with the Company’s initial public offering in November 1997.  Mr. Sheen had been a Senior Vice President and Chief Technical Officer of Input/Output, Inc. (now known as ION Geophysical Corp.) beginning in 1991 and had held other positions at Input/Output, Inc. (now known as ION Geophysical Corp.) starting in 1977. William H. Moody has been a director since July 2004.  Mr. Moody served with KPMG in many capacities including managing partner, audit partner-in-charge and Securities and Exchange Commission reviewing partner until his retirement in June 1996.  
Thomas T. McEntire joined the Company as Chief Financial Officer in September 1997 and became Secretary in February 2009.  Mr. McEntire had been Financial Controller of APS Holding Corporation (“APS”) beginning in February 1995 and held other senior financial management positions since joining APS in 1990. Prior to joining APS, Mr. McEntire held various positions with Coopers & Lybrand L.L.P. from 1982 to 1990. Charles H. Still became a director in connection with the Company’s initial public offering in November 1997.  He was Secretary of the Company, serving in a non-executive capacity, from the Company’s formation in September 1994 until February 2009 and has been Secretary of various affiliates and predecessors of the Company since 1980.  He was a partner in the law firm of Fulbright & Jaworski L.L.P. from 1975 until 2008.  As of January 1, 2008, Mr. Still retired as a partner of that firm and became Of Counsel.  In 2008, Mr. Still left Fulbright & Jaworski L.L.P. and became a partner at Kelly Hart & Hallman LLP.
Thomas L. Davis, Ph.D. became a director in connection with the Company’s initial public offering in November 1997. Dr. Davis is a Professor of Geophysics at the Colorado School of Mines, where he has worked since 1980.  He has also been a coordinator of the Reservoir Characterization Project, an industry consortium of the Colorado School of Mines, since it was founded in 1985, with the objective of characterizing reservoirs through development and application of 3-D and time lapse 3-D multicomponent seismology.  Dr. Davis consults and lectures worldwide and has written and co-edited numerous papers and other works in the field of seismic interpretation. Richard C. White is the former President and Chief Executive Officer of NuTec Energy Services Inc. He held that position from October 2001, until his retirement from NuTec in September 2002. He was Chief Executive Officer of Veritas DGC Land, Inc. from January 2000 through June 2000. From 1995 until his retirement in October 1999, Mr. White served as President of Western Geophysical Company, as well as Senior Vice President of Western Atlas Inc. He also served as Vice President of Baker Hughes Incorporated from August 1998 until October 1999. Prior to 1995, he held various other executive positions with Western Geophysical Company, including Chief Operating Officer. Mr. White graduated from Bloomsburg University in 1978.  Mr. White has served on the board of directors of two public companies.