Mark Welsh is a retired United States Air Force General who served as the Chief of Staff of the Air Force from 2012 to 2015. He was born on December 15, 1952, and has had a distinguished military career, including various leadership roles in operations and strategy. Welsh is known for his focus on modernizing the Air Force and improving its capabilities. After retiring from the military, Welsh became involved in academia and public speaking. He has served as a professor at Texas A&M University and has contributed to discussions on national security and military strategy. His insights are valued in both military and civilian circles.