Effective March 27, 2013, James William Anderson resigned as a director of Liberty Energy Corp. The company appointed Dennis Irwin as treasurer and chief financial officer. Dennis Irwin has 19 years of experience in financial management and public accounting.

For the last six years, he has functioned as an interim chief financial officer and project accountant for a variety of clients. From 2009 to 2011, he served as chief financial officer of Best Energy Services Inc.