Our management team brings Flatrock Compression eighty-five 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.

Caleb Rohm

Director of Finance

Caleb Rohm has 15 years of accounting and finance experience in the Oil and Gas industry. Prior to coming to Flatrock, Caleb served as the Chief Financial Officer for an Oil and Gas construction company operating in the Barnett Shale, Eagle Ford Shale, and Permian Basin. Caleb’s experience and aptitude allows him to provide Flatrock with the information and tools necessary to make timely, informed decisions that help the company successfully navigate the marketplace. Caleb holds a BBA in Finance from the University of Texas at Arlington and an MBA from the Hankamer School of Business at Baylor University.

Matt Rush

Director of Operations

Matt Rush has a vast array of experience in the compression industry spanning over 15 years. Prior to joining Flatrock as a Consultant, Matt worked for both USA Compression and CDM Resource Management, where he’s held positions in operations, asset management, and supply chain management, leading teams all over the United States to deliver business objectives in supply logistics, process improvements, organizational efficiencies, and overall improved cost management. Before joining the Team full-time as Director of Operations, he project managed the implementation of Flatrock’s first Computerized Maintenance Management Software. Matt is also a combat veteran, having served in the United States Marine Corps.

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.