Background
Mastin, John N. was born in 1947.
Mastin, John N. was born in 1947.
University of Texas (Bachelor of Arts). South Texas College of Law (Juris Doctor).
Worked at 800 Vantage Doctor (San Antonio, Texas) specializing in Personal Injury Law, Medical Malpractice Law, Products Liability Law. Admitted to the bar, 1974.