With unique training in undersea medicine, he utilized his talents while assigned to locations ranging from Panama City, Florida to Sigonella, Italy. Dr. Jackson would later complete his residency in Emergency Medicine, finishing at the top of his class. Soon thereafter, he deployed to Iraq to lead Resuscitative Medicine efforts on the battlefield for a combat Surgical Shock Trauma Platoon.

While serving in Iraq, he was called back to the states to serve in the White House Medical Unit during President George W. Bush's Administration. Dr. Jackson would ultimately lead the White House Medical Unit as Physician to the President during the Obama and Trump Administrations. In January 2019, President Donald J. Trump appointed him as Chief Medical Advisor and Assistant to the President.

In December 2019, after 25 years of distinguished service to his country, Dr. Jackson retired from the United States Navy as a Rear Admiral. He returned to the great State of Texas and ran for U.S. Congress. Dr. Jackson was elected to serve Texas' 13th Congressional District in November 2020. His committee assignments include the House Agriculture Committee, the House Armed Services Committee, the House Foreign Affairs Committee and the House Select Subcommittee on the Coronavirus Pandemic.

Dr. Jackson is happily married to his wife of 30 years, Jane. The couple has three children. Their oldest, Libby, holds an MBA from Mount St. Mary's University and works in the national security sector. Their middle child, Ben, is a Navy Officer and proud graduate of the U.S. Naval Academy. Their youngest, Matthew, is a sophomore at West Texas A&M University.