Before entering the banking world he taught Vocational Agriculture at Bixby Public Schools. He then entered the banking world and soared through the ranks becoming President of Armstrong Bank in 1986 and later CEO.
In 2006 he took the helm of the holding company, Ironhorse Financial Group, Inc. as President and CEO. In November, 2013 he celebrated 34 years in the Armstrong Bank Family.
Briley is active in The Church of Jesus Christ of Latter Day Saints and also serves on the Executive Board of the Indian Nations Council of Boy Scouts of America and is on the board of directors of Armstrong Bank, Republic Bank & Trust of Norman, Ironhorse Financial Group, Inc. and the Oklahoma State Chamber of Commerce.
He was elected to the Connors State College Hall of Fame in 2004, and the Connors State College Athletic Hall of Fame in 2013.