Management

  • Christopher N. O’Sullivan

    Chris O’Sullivan, President of Paloma Resources, LLC, founded the company in 2004. Mr. O’Sullivan is primarily responsible for project selection and overall project execution. Mr. O’Sullivan has led the company in a series of private equity sponsored projects located in the Anadarko STACK, the TMS in eastern Louisiana, the Utica/Point Pleasant in eastern Ohio, the Eagle Ford Shale in South Texas, the Haynesville Shale in East Texas, the Barnett Shale in North Texas, the Lobo/Expanded Wilcox in South Texas, and the Miocene in the Gulf of Mexico’s Matagorda Island Area.

    Mr. O’Sullivan received a Bachelor of Science degree in Petroleum Engineering from The University of Texas in 1983.

  • Mark J. Gabrisch

    Mark Gabrisch, Executive Vice President, Land, of Paloma Resources, LLC, joined the company in 2006 as VP, Land. Mr. Gabrisch is primarily responsible for managing every aspect of the company’s land and legal activities, including direct involvement in all contract negotiations and trade agreements. Further, Mr. Gabrisch managed asset and entity sales for all Paloma entities since 2008.

    Mr. Gabrisch received a Bachelor of Science degree in Petroleum Land Management from The University of Houston in 1985.

  • Robert C. Thomas

    Robert Thomas, Senior Vice President, General Counsel and Corporate Secretary, has over 42 years of experience in oil, gas and energy law. Prior to joining Paloma Resources, Mr. Thomas was in private legal practice in Houston, Texas and the legal department of Mesa Limited Partnership, Edge Petroleum and Gulf Oil Corporation.

    Mr. Thomas received a bachelor’s degree in finance from the University of Texas, and a Juris Doctor degree with honors from the University of Texas School of Law. He is Board Certified in Oil, Gas and Mineral Law by the State Bar of Texas. Mr. Thomas is admitted to practice before the Federal District Courts for the Southern and Northern Districts of Texas, the U.S. Fifth Circuit Court of Appeals, the United States Tax Court, and the United States Supreme Court.

  • R. E. (Bobby) Poirrier, Jr.

    Bobby Poirrier joined Paloma Resources, LLC in late 2012 as Vice President, Chief Financial Officer and Treasurer. Mr. Poirrier has nearly 30 years of energy industry experience, most recently in the capacity of Vice President of Corporate Development and Planning and Treasurer for Energy XXI.

    Mr. Poirrier received a Bachelor of Science degree in Petroleum Engineering from Colorado School of Mines in 1992 and a Master of Science degree in Finance from The University of Houston in 2002.

  • Andrew N. Keck

    Andrew Keck, Vice President, Land, of Paloma Resources, LLC, joined the company in 2015. Mr. Keck has more than 15 years of experience in the energy industry, including roles with Anadarko Petroleum Corporation and Hess Corporation. Mr. Keck oversees the day-to-day operations of the land department as well as all A&D activity.

    Mr. Keck received a Bachelor of Arts degree in Communications from the University of Central Oklahoma in 2003 and a Juris Doctorate degree from The University of Tulsa College of Law in 2007.

  • Robert D. Newton

    Robert Newton, Vice President, Reservoir Engineering, joined Paloma Resources, LLC, in 2019. Mr. Newton has more than 14 years of experience in the energy industry, including roles with LINN Energy, Bill Barrett Corporation, and American Energy Permian Basin. Mr. Newton leads the company’s reservoir characterization, corporate reserves, and A&D valuation efforts.

    Mr. Newton received a Bachelor of Science degree in Petroleum Engineering from the University of Missouri – Rolla in 2007 and is currently enrolled at the University of Houston Bauer Business School in the Master of Science in Finance program, with May 2022 graduation.

  • Andrew H. McCabe

    Andrew McCabe, Vice President of Operations, joined Paloma Resources, LLC, in 2021. Mr. McCabe began his career in the energy industry in 2006 with XTO Energy, followed by roles at ExxonMobil, BP, Marathon Oil, and Valaris (Ensco). Mr. McCabe has experience in oil and gas finance, M&A, and engineering in both domestic and international operations. Mr. McCabe and his team are responsible for the company’s drilling, completions, and production activities.

    Mr. McCabe holds an MBA from the University of Mississippi, a Bachelor of Science degree in Petroleum Engineering from the University of Oklahoma, and a Bachelor of Business Administration in Finance and Accounting from Texas Christian University.

  • Ross A. Hayes

    Ross A. Hayes, Vice President of Drilling and Completions, joined Paloma Resources, LLC, in 2019 as a senior drilling engineer. Mr. Hayes began his career in the energy industry in 2011 with Alta Mesa Resources where he held multiple roles of increasing responsibility leading drilling, completion, and workover operations for assets in the Gulf Coast inland waters, Oklahoma, Louisiana, Texas, Michigan, New Mexico, and Idaho. Mr. Hayes and his team are responsible for leading and managing the execution of the company’s drilling and completions operations.

    Mr. Hayes holds a Bachelor of Science degree in Mechanical Engineering from Texas A&M University, and a Bachelor of Arts degree from Southwestern University.

  • William C. Derrick

    Will Derrick, Senior Advisor, Business Development, joined the company in 2021. Mr. Derrick has over 10 years of energy experience and primarily focuses on business development and strategy for Paloma. After starting his career in E&P equity research at SunTrust Robinson Humphrey, Mr. Derrick founded and has led a series of oil and gas companies in the Mid-Continent including Penny Resources and Wayfinder Resources.

    Mr. Derrick received a Bachelor of Business Administration from Millsaps College in 2012.