Green serves as the chaplain of Tennessee’s Senate GOP Caucus and CEO of emergency department staffing company Align MD.
He completed three combat tours in the Middle East as a special operation flight surgeon for the 160th Special Operations Aviation Regiment.
His military career also includes time as a rifle and scout platoon leader, battalion personnel officer and supply officer as well as commander of an airborne rifle company at the 82nd Airborne Division and a recruiting unit at the Army Recruiting Command.
The White House announced Green’s nomination as secretary of the military branch two months after Vincent Viola, a retired Army major and founder of trading firm Virtu Financial, withdrew his name from consideration for the post.