An American businesswoman, attorney and diplomat, Barbara Barrett served as the United States Secretary of the Air Force from 2019 to 2021. She is also an instrument-rated pilot, and cattle and bison rancher. As the 25th Secretary of the Air Force, Barrett leads the affairs of the Department of the Air Force, comprising the U.S. Air Force and U.S. Space Force. She served as U.S. Ambassador to Finland from 2008 to 2009.

Barrett is former chair of the Aerospace Corp. and a member on the boards of California Institute of Technology, Jet Propulsion Laboratory, RAND Corporation, Smithsonian Institution, Horatio Alger Association of Distinguished Americans, and Lasker Foundation. She and her husband, retired Intel Corporation Chairman and CEO Dr. Craig Barrett own the award-winning Triple Creek Ranch in Darby, Montana.