Our management team brings Flatrock Compression hundreds of years of combined energy industry experience from previous work at companies including GE Oil & Gas, Compressor Systems, Inc., Weatherford Global Compression Services, Duke Energy, Conoco Phillips and Valerus.

B.J. Ellis


B.J. Ellis has over 19 years of experience in the natural gas compression industry. Prior to joining Flatrock Compression he was senior strategic account manager at Valerus Compression Services.  B.J. also served as compression/transportation operations manager for Quicksilver Resources and lead field service technician for both Hanover and Universal Compression. One of the most respected authorities in the gas lift compression industry, B.J. is the inventor of the advanced QuickSet™ skid-mounted gas compression system.

Ben Harrison

Director of Finance

Ben Harrison has more than eleven years of accounting and finance experience, having worked in leadership roles in a variety of organizations, both in a consulting and in a direct capacity. Ben had served as Chief Financial Officer of Texas Chiropractic College and Knight Industrial Services prior to becoming CFO at Flatrock. Ben’s experience and aptitude allows him to provide Flatrock with the information and tools necessary to make timely, informed decisions that helps the company successfully navigate the marketplace. Ben holds a BBA in Accounting from the Mays Business School at Texas A&M University.

Kevin Zappe

Sales & Account Manager

A Flatrock employee since 2005, Kevin Zappe has more than 21 years of experience in the oil and gas industry. Prior to Flatrock, Kevin had previously worked at Parker & Parsley and National Oilwell. Kevin’s education includes courses completed at the Mays Business School at Texas A&M University and studies in business administration at the University of Houston.

David Stone

Sales & Account Manager

David Stone has more than 15 years of experience in the Natural Gas Compression Industry, primarily focused on Permian Basin operations.  Prior to Joining Flatrock, he was a Senior Account Manager at Compressor Systems Inc., where he led a results-oriented team in meeting customer compression requirements.  David has also successfully provided project management for the installation of a wide range of gas lift compression systems. David has served as President for the Natural Gas Society and Natural Gas Producers Association, in addition to several other industry association boards.  David holds a Master’s Degree of Science from Angelo State University.