Our Team

Dennis F. Jaggi


Oklahoma City

Dennis F. Jaggi is a Founder of EnCap Flatrock Midstream. From 2008 to 2019 he served as Managing Partner and Founder. From 2001 to 2008, Mr. Jaggi served as an Executive Vice President and Senior Partner of Flatrock Energy Advisors. Prior to Flatrock Energy Advisors, 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 holds a B.S. in Mechanical Engineering from the University of Missouri-Rolla (now the Missouri University of Science and Technology). He is a member of The Academy of Mechanical and Aerospace Engineering. He is also a Registered Professional Engineer (Inactive) in Texas and Louisiana. Mr. Jaggi previously 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.