Aaron Ketter is the vice president of Devon's Rockies Business Unit. He joined Devon in 2003 and held engineering roles both domestically and abroad as well as onshore and offshore before taking leadership positions involving midstream and marketing. Ketter most recently served as vice president of strategic planning. He has a bachelor's degree in petroleum engineering from the University of Oklahoma and a master's in business administration from the University of Chicago. Ketter is a member of the Society of Petroleum Engineers.

Joseph A. Mills is the President and Chief Executive Officer of Samson Resources II, LLC (“Samson”). Samson is a privately held E&P company with extensive holdings located in the Powder River and Green River Basins of Wyoming. Mills leads and directs the strategic and operational direction of the company to maximize shareholder value and exploit the large resource base of the Company.

Prior to Samson, he served as the chairman and chief executive officer of Eagle Rock Energy Partners, founder and chief executive officer of Montierra Minerals and Production, LP, an affiliate of Natural Gas Partners, senior vice president of operations for Black Stone Minerals Company LP, senior vice president of El Paso Production Company, and vice president of Land and M&A at Sonat Exploration Company.

Mills holds an MBA, Finance, from the University of Houston and a BBA, Petroleum Land Management, from the University of Texas, Austin. He currently serves on the Board of Directors of Samson, the University of Houston Energy Advisory Board and the Houston Producers Forum Board. His professional and community affiliations include the Independent Petroleum of America Association; Houston Producers Forum; Texas Alliance of Energy Producers, the American Association of Professional Landmen and Houston Association of Professional Landmen.

Joe DeDominic is the president and COO of Anschutz Exploration and its wholly owned subsidiary, Anschutz Oil Company. Over the past 4 1/2 years, he has led the company, with an emphasis on the Powder River Basin, where Anschutz is the largest private leaseholder with over 390,000 net acres, two active drilling rigs and net production of 6,000 barrels of oil equivalent per day.

Prior to joining Anschutz, DeDominic was Vice President and COO of Sanchez Energy, focused on the Eagle Ford resources of South Texas. He joined the company shortly after its IPO and was responsible for transitioning the company to a growth-oriented, publically traded company.

DeDominic started his career with Occidental Petroleum.  In his 20 plus years at Oxy, he held a wide variety of positions including exploration and development geologist, chief geologist Colombia, exploration manager Libya, director business development for the western hemisphere as well as president and general manager for the Williston Basin. In that role he managed the team that secured the company’s entry into the basin and built an operating group that had over12 drilling rigs at its peak.

He has a BA in Geology from the University of Montana and a MS in Geology from Texas A&M.