Background
MCMAHON, J was born on January 20, 1942 in Rock Springs, Wyoming, United States.
MCMAHON, J was born on January 20, 1942 in Rock Springs, Wyoming, United States.
University of Portland (Bachelor of Arts, 1964). Willamette University (Juris Doctor, 1972).
Working as a partner of JOSEPH H. CHOPP, JR. Admitted to the bar, 1972, Oregon. 1986, Virginia.
Oregon State Bar; Virginia State Bar. American Bar Association.