Who We Are

Management Team

Ralph Hill has 38 years of experience in the upstream, midstream and downstream segments of the oil and gas industry. Ralph was appointed CEO and Chairman of ETX’s board of managers in 2014. He previously served as president of WPX Energy where he led the 2011 WPX spin out from The Williams Companies as a pure play exploration and production company. He led Apco Oil & Gas with assets in Argentina and Colombia, and he held various roles of increasing responsibility prior to 2002 with The Williams Companies.

Currently, Ralph serves on the Board of Directors of the Collins College of Business at the University of Tulsa, as Vice Chair for the Trulaske School of Business at the University of Missouri and the One Mizzou Campaign Cabinet at the University of Missouri.

Danni Morris joined ETX Energy as Chief Financial Officer in September 2014. Danni formerly served as Treasurer for WPX Energy Inc. and has a 20+-year tenure in the energy business, having performed most of her career at the Williams Companies, Inc. and WPX. While serving as Treasurer of WPX, she also managed the insurance portfolio. Prior to WPX Energy’s spinoff from the Williams Companies, Danni was a manager in the business development group and led the group in various acquisitions. Danni joined the business development group in 2002, where she worked on acquisitions for Williams – assets that would become critical to WPX Energy – including the Bakken oil play in North Dakota and the Marcellus interests in Pennsylvania. She led the $600 million acquisition of certain interests in Susquehanna County, adding to the company’s Marcellus position. In 2000, Danni joined the E&P planning group and was in this role during Williams’ acquisition of Barrett Resources in 2001. While at Williams she also worked on the Berkshire loan, various secured financings, E&P asset sales and a margin less hedge facility. During this time and through 2011, she also managed the hedging program. In her planning, business development and treasury roles at Williams and WPX, Danni has worked on various financial structures such as Section 29 Tax Credit monetization, volumetric production payments (VPP), master limited partnerships (MLP), royalty trusts, like-kind exchanges, tax partnerships and joint venture drill-to-earn structures with a drilling carry. Additionally, she spent four years in accounting in Williams’ E&P and energy groups. Danni began her career in 1993 at Kaiser-Francis Oil Co., where she served in accounting roles. Danni earned a bachelor’s degree in Business Administration and Finance from Northeastern State University, magna cum laude in 1993, and she earned an MBA from the University of Tulsa, graduating with honors, in 2002. Danni serves on the executive board of Emergency Infant Services in Tulsa.

Mark Castell serves as Senior Vice President of Engineering for ETX, where he has oversight of Engineering, Operations, and Geology & Geophysics. Previous to joining ETX in the Fall of 2016, Mark served for seven years as Vice President – Oklahoma Assets for publicly traded PetroQuest Energy.  Under his leadership, PetroQuest executed over 300 primarily unconventional Woodford Shale horizontal wells in the Arkoma Basin, making PetroQuest, and their joint venture partner, the largest unconventional operator in the Basin.  Mark first joined PetroQuest in 2002 as an Asset Manager in Business Development, where he was involved in PetroQuest Energy’s expansion into East Texas, and the Fayetteville and Woodford Shales of the MidContinent.

Prior to joining PetroQuest, Mark spent fifteen years in technical, supervisory, and management positions with Chevron and Tenneco. Mark has experience in the MidContinent, East Texas, South Texas, Gulf Coast, and Gulf of Mexico areas of the US, and in Angola West Africa and the Central North Sea. He has a strong background in unconventional resources, drilling and completions, oil and gas reserve evaluation techniques, carbonate reservoirs, economics, and acquisition/sales negotiations. Mark specializes in the redevelopment of mature fields. Mark has a vast range of engineering skills and has been involved in major secondary recovery projects internationally via gas and water injection. He has also worked on valuation techniques for stranded gas and concession negotiations in the international arena.

Mark earned a Bachelor of Science Degree, Magna Cum Laude, in Petroleum Engineering from Texas A&M University. He is a Registered Petroleum Engineer in the State of Louisiana and a member of the Society of Petroleum Engineers, American Association of Petroleum Geologists, and American Petroleum Institute.

Tim Loposer has 39 years of energy industry experience in exploration & production, marketing and  trading, and investment banking. At KLR Group and Seaport Global Securities, he was involved in  upstream oil and gas investment banking efforts, including mergers and acquisitions, drillco’s, advisory  services and financing. During his time at NextEra Energy Resources, he was responsible for non-operated acquisitions in the US for NextEra’s unregulated oil and gas division. As VP at Shell Energy North America, he was responsible for Gas and Power Origination activities, emissions trading and management of US power tolling deals for Royal Dutch Shell’s US trading arm. He was Involved in establishing the energy marketing and trading platform for Williams and later creating and leading the European Trading group in London in 2001. He previously worked at Texas Oil & Gas Corp., where he focused on all aspects of land related functions for TXO’s Rocky Mountain Region.

Kim Fink has 10 years of energy industry experience. Prior to transitioning to the legal field, at SemMaterials she developed asphalt pavement and roadbed stabilization products, methods, and testing protocols. She graduated from the University of Tulsa College of Law where she served as Editor-in-Chief for the Energy Law Journal and earned the Sustainable Energy and Resources Law (SERL) Certificate. She also serves on the Executive Committee and is former Chair of the Tulsa County Bar Association’s Energy & Mineral Law Section. She is a member of the TU College of Law’s SERL Board of Visitors and is the Vice President of the College of Law Alumni Association’s Board of Directors.

Board of Directors

Ralph A. Hill
Chairman & CEO, ETX Energy, LLC

James Brown
Chief Executive Officer, PetroStar Services, LLC

Salvatore Giannetti III
Partner, PennantPark Investment Advisers, LLC

Jonny Jones
Founder & CEO, McArron Partners, LP

Craig Kelleher
Co-Founder & Chief Investment Officer, Millstreet Capital Management

Markus Specks
Managing Director, Varde Partners, Inc

David M. Thomas III
President & CEO, Trey Resources, Inc.