Background
Irwin, John S. was born on May 6, 1952 in Perryton, Texas, United States.
Irwin, John S. was born on May 6, 1952 in Perryton, Texas, United States.
Texas Technical University (B B A., 1974). Baylor University (Juris Doctor, 1977). Phi Alpha Kappa; Phi Alpha Delta.
Worked at Mullin Hoard & Brown, Limited liability partnership (Amarillo, Texas) specializing in Oil and Gas Law, Banking Law, Real Estate Law. Admitted to the bar, 1977, Texas. Phi Alpha Kappa; Phi Alpha Delta.
Member and Director, 1992, Panhandle Producers & Royalty Owners Association.
Panhandle Association of Petroleum Landmen. Member: Amarillo Bar Association.
State Bar of Texas. Texas Association of Bank Counsel.
(Board Certified, Oil, Gas and Mineral Law. Farm and Ranch Real Estate Law, Texas Board of Legal Specialization).
Member: Amarillo Bar Association. State Bar of Texas; Texas Association of Bank Counsel. (Board Certified, Oil, Gas and Mineral Law.
Farm and Ranch Real Estate Law, Texas Board of Legal Specialization).