Dawson Geophysical Company announced that Christina Hagan's duties, and the accounting and finance group, will primarily be absorbed by James K. Brata, who currently serves as the Company's Executive Vice President, Chief Financial Officer and Treasurer. Mr. Brata succeeded Ms. Hagan as the Secretary of the Company effective at the close of business on May 5, 2016. Prior to strategic business combination, Mr. Brata served as Vice President, Chief Financial Officer, Secretary and Treasurer of TGC Industries Inc.