Dennis F. Jaggi



Dennis F. Jaggi

Managing Partner & Founder

Encap Flatrock Midstream

Dennis Jaggi has more than 40 years of experience in all aspects of the natural gas industry. He has been responsible for pipeline and plant engineering, construction, acquisitions and divestitures, strategic planning and implementation, and safe operations in compliance with regulatory and environmental requirements.

He joined Flatrock Energy Advisors in 2001. Flatrock partnered with EnCap Investments in 2008 to form EnCap Flatrock Midstream (EFM). He is a Managing Partner of EFM located in their Edmond, Oklahoma, office. He holds positions on the boards of six of EFM’s portfolio companies and has a seat on the investment committee for the EnCap midstream funds.

Prior to joining Flatrock, Mr. Jaggi served as Vice President and Chief Operating Officer for Enogex Inc., an Oklahoma-based midstream affiliate of OGE Energy. At Enogex, he was responsible for management of all operations, engineering design and construction, gas control, capital investments, gas supply and E&P activities. From 1981 to 1997, prior to his role with Enogex, Mr. Jaggi was Vice President and Regional Manager with Delhi Pipeline Corporation, a subsidiary of Texas Oil and Gas Corp., where he managed and directed the activities of Delhi's Northern Region in Oklahoma City. Prior to his role at Delhi, Mr. Jaggi had positions of increasing responsibility with Texas Eastern Transmission.

Mr. Jaggi graduated from the University of Missouri-Rolla (now the Missouri University of Science and Technology) with a Bachelor of Science degree in mechanical engineering.

He is a Registered Professional Engineer in Texas and Louisiana. He has served as chairman of the board and campaign chairman for the United Way of Central Oklahoma and is currently a member of the Board of Trustees. He is also a member of The Academy of Mechanical and Aerospace Engineering at the Missouri University of Science and Technology in Rolla, Missouri.