ION Geophysical Corporation announced the retirement of Brian Hanson, its President and Chief Executive Officer, and his resignation from its Board of Directors, both effective June 1, 2019, and the appointment of Chris Usher, previously Executive Vice President of ION's Operations Optimization segment, to succeed Mr. Hanson as President and CEO. Mr. Usher has also been elected to serve on the Board of Directors. Chris Usher brings over thirty years of energy and technology leadership to the role with hands-on experience in data processing and imaging, software development and new product commercialization.

Mr. Usher began his career in field operations at Western Geophysical.