Background
McMahan, John A. was born on January 15, 1953 in San Diego, California, United States.
McMahan, John A. was born on January 15, 1953 in San Diego, California, United States.
Southern Methodist University (Bachelor of Science, 1975). University of Tulsa (Juris Doctor, 1978). Phi Delta Phi.
Worked at Harris, McMahan & Peters, Professional Corporation (Tulsa, Oklahoma) specializing in Oil and Gas Law, Bankruptcy Law. Admitted to the bar, 1978, Oklahoma. Phi Delta Phi. Member: Tulsa County, Oklahoma and American Bar Associations.
Tulsa County, Oklahoma and American Bar Associations. Oil and Gas.