Michael Stock is Chief Financial Officer & Treasurer for Liberty Oilfield Services, Inc. and Chief Financial Officer & Treasurer of Liberty Oilfield Services LLC (a subsidiary of Liberty Oilfield Services, Inc.).

He previously was Chief Financial Officer for Liberty Oilfield Services Holdings LLC, Chief Financial Officer at Pinnacle Technologies, Inc., Chief Financial Officer at Turbine Air Systems Ltd., Chief Financial Officer at TAS Energy, Inc. and Principal at NeXt Software, Inc.