Matador Resources Co. (Matador) and its midstream affiliate, San Mateo Midstream LLC (San Mateo), have announced leadership promotions, effective June 11, 2025. Bryan A. Erman has been promoted to co-president, chief legal officer, and head of mergers and acquisitions; William D. Lambert has been promoted to executive vice president, chief financial officer, and head of strategy; Brian J. Willey has been promoted to executive vice president – midstream of Matador and executive vice president, chief administrative officer, and chief legal officer of San Mateo; and Robert T. Macalik has been promoted to executive vice president – administration and finance of Matador and executive vice president and chief financial officer of San Mateo.
Matador is an independent energy company engaged in the exploration, development, production, and acquisition of oil and natural gas resources in the United States, with an emphasis on oil and natural gas shale and other unconventional plays. Its current operations are focused primarily on the oil and liquids-rich portion of the Wolfcamp and Bone Spring plays in the Delaware Basin in Southeast New Mexico and West Texas. Matador also operates in the Haynesville shale and Cotton Valley plays in Northwest Louisiana. Additionally, Matador conducts midstream operations in support of its operations and provides natural gas processing, oil transportation services, natural gas, oil and produced water gathering services and produced water disposal services to third parties.
San Mateo provides midstream services for the three main streams produced by oil and natural gas activities, including natural gas gathering, compression, treating and processing services; produced water gathering and disposal services; and oil gathering and transportation services. San Mateo owns and operates natural gas, produced water, and oil gathering and transportation systems in the Delaware Basin, the Black River and Marlan gas processing complexes in Eddy County, New Mexico, with a combined designed inlet capacity of 720 MMcf/d of natural gas.
