Investor Relations

Stephen C. Jumper

Mr. Jumper was elected by the Board to serve as Chairman in 2024. Mr. Jumper brings extensive knowledge and experience in geophysical contracting for energy exploration. A geophysicist, he spent decades in executive management in the energy industry, which allows him to provide valuable insight and guidance in his role as Director.

Mr. Jumper joined the Geospace Board of Directors in 2023. He is a member of the Nominating and Governance Committee and the Strategic Assessment and Oversight Committee.

Mr. Jumper previously served as Chairman, Chief Executive Officer, and President of Dawson Geophysical, Company (NASDAQ: DWSN), the largest land seismic operator in North America, from 2006 to 2023. He was appointed as the President, Chief Operating Officer, and Director of Dawson Geophysical in 2001. Mr. Jumper earned a Bachelor of Science in Geophysics from the University of Texas at Austin. Mr. Jumper has served in numerous leadership roles with Permian Basin Geophysical Society.

Margaret Sidney “Sid” Ashworth

Ms. Ashworth retired in 2017 as Corporate Vice President of Government Relations for Northrop Grumman Corporation, a global leader in aerospace, cyberspace and defense.

She offers valuable insight to the board from her more than 25 years of experience in the legislative branch of government, including 14 years as a professional staff member with the U.S. Senate Committee on Appropriations.

Previously, she was Vice President of Washington Operations for GE Aviation. For more than a decade, Ms. Ashworth worked as a civilian in the Department of the Army, focused on resource management, force structure, and strategy.

Ms. Ashworth earned a master’s degree in business administration from Campbell University and a bachelor’s degree in management from the University of Maryland. Additionally, she was a Senior Executive Fellow at the John F. Kennedy School of Government, Harvard University and the Chair of the National Defense Industrial Association.

She serves as the chair of the Nominating & Corporate Governance Committee. She is a member of the Compensation Committee.

Thomas L. Davis, Ph.D.

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 the development and application of 3-D and time-lapse 3-D multicomponent seismology.

Dr. Davis consults and lectures worldwide. He has written and co-edited numerous papers and other works in the field of seismic interpretation.

Dr. Davis became a director during the Company’s initial public offering in November 1997. Dr. Davis serves on the Audit, Compensation, and Strategic Assessment and Oversight committees and as the Lead Independent Director.

Edgar R. Giesinger

Mr. Giesinger retired as a managing partner from KPMG LLP on September 30, 2015. He has 35 years of accounting and finance experience, working mainly with publicly traded corporations. Over the years, he has advised a number of clients in accounting and financial matters, capital raising, international expansions, and in dealings with the Securities and Exchange Commission.

While working with companies in a variety of industries, his primary focus has been energy and manufacturing clients.

Mr. Giesinger is a Certified Public Accountant in the State of Texas, a member of the American Institute of Public Accountants, and a Texas Society of Certified Public Accountants member. He has lectured and led seminars on various topics dealing with financial risks, controls, and financial reporting.

Mr. Giesinger contributes extensive financial and accounting experience to his role on the board, including that related to the energy and manufacturing industries, Mr. Giesinger chairs the Audit and serves on the Compensation and Nominating and Corporate Governance committees. Mr. Giesinger has been a Director since November 18, 2015.

Richard J. Kelley

Mr. Kelley joined the Geospace Board of Directors in 2025. Currently, he serves as President and CEO of Geospace Technologies Corporation.

Before joining Geospace, he spent 17 years at Sercel, Inc., where he served in various leadership roles, including President and Vice President of Operations. Prior to that, he was a Vice President at both KMT Waterjet and Uson. He also was Director of Manufacturing at Varco. Rich has an extensive background in operational management within manufacturing organizations.

Rich earned his Bachelor of Science in Mechanical Engineering from the University of Texas at Austin and his Masters of Business Administration from the University of Houston. Additionally, he served in the U.S. Navy.

Richard F. Miles

Mr. Miles is the former Chief Executive Officer and Director of Geokinetics Inc. He held that position from August 2007 until his retirement in November 2012. He also served as President from August 2007 until May 2012; Chief Operating Officer from March 2007 until August 2007; and President International – Operations upon joining Geokinetics in September 2006 with the acquisition of Grant Geophysical Inc.

Mr. Miles served as Director, President, and Chief Executive Officer of Grant Geophysical from January 2001 until September 2006. From 1990 to 2000, he was President and Chief Executive Officer of Syntron Inc., a unit of Tech-Sym Corporation.

Prior to that, he held various executive positions with Geosource Marine Inc. and Geophysical Services Inc. He has over 45 years of international experience in the seismic industry, both operationally and in manufacturing.

Mr. Miles has served on the board of directors of three other public companies as well as several non-profit boards, including the International Association of Geophysical Contractors from 1992 to 2007, where he served as Chairman from 1997 to 1998.

Mr. Miles has an M.B.A. from Southern Methodist University. Mr. Miles chairs the Compensation and serves on the Audit Committee and the Nominating and Corporate Governance committee.

Walter “Richard” Wheeler

Richard Wheeler served as the Company’s President and Chief Executive Officer from 2014 through 2024. Prior to assuming the role of CEO, he served as Executive Vice President and Chief Operating Officer and had been a design engineer with Geospace since 1997.

Richard received his Bachelor of Science degree in Electrical Engineering from Rice University. Mr. Wheeler’s depth of understanding of the company’s operations and strategy, strong leadership skills, and his significant industry and management expertise enable him to effectively serve as a director.