Currently, Keefer M. Lehner holds the position of Chief Financial Officer & Executive Vice President for KLX Energy Services Holdings, Inc. and Director & Vice President at KLX Energy Services LLC, Vice President for Centerline Trucking LLC, Vice President at KLX Wireline LLC and Vice President of KLX Directional Drilling LLC (which are all subsidiaries of KLX Energy Services Holdings, Inc.). Keefer M. Lehner is also Vice President of Centerline Trucking LLC, Vice President at KLX Wireline LLC and Vice President at KLX Directional Drilling LLC.

In his past career he was Associate for Quintana Capital Group, Chief Financial Officer & Executive Vice President for Quintana Energy Services LLC, Chief Financial Officer & Executive VP at Quintana Energy Services, Inc., Vice President-Finance & Corporate Development at Quintana Energy Services GP LLC and Analyst at Simmons & Company International.

Mr. Lehner received an undergraduate degree from Villanova University.