Walter Mayer serves as Vice President, Legal. Mr. Mayer joined Battalion Oil in March 2013. He has over eighteen years of legal experience focusing on the oil and gas industry. Previously, he served as Associate General Counsel at Petrohawk Energy Corporation starting in 2010 and stayed on after its acquisition by BHP Billiton until joining Battalion Oil. Before Petrohawk, Walter worked in the Litigation Group of Vinson & Elkins focusing on commercial energy litigation. Walter served as Co-Chair of the ABA Section of Litigation’s Energy Litigation Committee and also served as Editor-In-Chief for the Energy Litigation Journal (a publication of the ABA’s Section of Litigation). Walter graduated from The University of Virginia School of Law and has been recognized for his accomplishments in Texas Monthly as a “Texas Rising Star.” He is board certified in oil, gas and mineral law by the Texas Board of Legal Specialization.