Professional Profile

Michael D. McMahan


Mr. McMahan joined the Firm in 2014, bringing with him a wealth of both tribal and non-tribal litigation and transactional experience.  For Native American Tribal governments and their related business entities, Mr. McMahan has served as a prosecuting attorney, assisted in the implementation of drug courts, developed Tribal codes and court procedures, assisted with Tribal elections, represented Tribes in difficult and complex Indian child welfare matters, and worked with Tribal governments, agencies and businesses with day-to-day administrative matters.  Mr. McMahan has represented Tribes at all levels of Tribal, state and federal courts.

Prior to joining the Firm, Mr. McMahan’s practice included representation of oil and gas companies, banks, commercial real estate companies and other commercial clients in transactional matters, bankruptcy and litigation. Mr. McMahan’s of extensive experience includes all aspects of complex civil litigation and bankruptcy/creditors’ rights and a history of representing local and multinational companies in courts nationwide.  In addition, Mr. McMahan represented adoptive families, helping them through the process of finalizing adoptions conducted through agencies, and in 2009 was appointed by the Speaker of the Oklahoma House of Representatives to the Oklahoma State Legislature’s Adoption Review Task Force in 2009, which proposed numerous revisions to Oklahoma’s adoption laws, all of which were subsequently enacted.


The University of Oklahoma (B.A. in News Communication, 1994)
University of Oklahoma College of Law (J.D., 1996)

Bar Admissions

Texas (Not certified by the Texas Board of Legal Specialization)
U.S. District Court for Western, Eastern & Northern Districts of Oklahoma
U.S. District Court for Northern, Eastern & Southern Districts of Texas
U.S. District Court for the District of Columbia
U.S. Court of Appeals for the Tenth Circuit
U.S. Court of Appeals for the District of Columbia Circuit
U.S. Court of Federal Claims
U.S. Supreme Court
Multiple Tribal Courts