Jack received his B.A. in History from the University of Virginia in 1977, graduating with Highest Distinction. After graduating Yale Law School in 1980, he served active duty in the U.S. Army's JAG Corps, rising to the rank of Major, where he represented the United States in more than 250 cases.
He practiced for a decade as an Associate for Bradley Arant in Birmingham, Alabama. He proudly served the State of Alabama in the Office of the Attorney General, both as Deputy and Assistant Attorney General, handling complex civil and criminal litigation cases for the people of Alabama. In 2000, he won the "Best Brief Award" from the National Association of Attorneys General for his brief in a case decided by the U.S. Supreme Court, James Alexander v. Martha Sandoval – a case he won. He was Special Assistant to the Inspector General for the Corporation for National and Community Service, Visiting Legal Fellow for the Center for Judicial and Legal Studies for the Heritage Foundation, Of Counsel at Strickland Brockington Lewis, a solo practitioner, and General Counsel for Indigo Energy.
Most recently, he "re-upped" for military service, volunteering his legal services to the Georgia State Defense Force where twice each month he provided legal services for National Guardsmen who were being deployed. He wore his military uniform for the last time in October 2024.
The Alabama Supreme Court's ‘Big Oil’ and ‘Big Pharma’ Decisions