John Euler Whitley (born September 15, 1970) is an American government official who served as the acting United States Secretary of the Army from January 20, 2021, to May 28, 2021.

He previously serviced as Assistant Secretary of the Army (Financial Management and Comptroller) and acting director of cost assessment and program evaluation for the Department of Defense.

Whitley graduated summa cum laude and was the outstanding senior in the College of Agricultural and Life Sciences.

He supported the Military Compensation and Retirement Modernization Commission on healthcare reform and has testified before Congress on these issues.

[4] On February 1, 2018, President Donald Trump nominated Whitley to be Assistant Secretary of the Army (Financial Management and Comptroller).

On September 18, 2018, the United States Senate confirmed his nomination by voice vote; he was sworn in the same day.

[9] From August 16, 2019, through March 13, 2020, Whitley was acting director of cost assessment and program evaluation (CAPE) for DoD.

[13] On January 3, 2021, his nomination was returned to the president under Rule XXXI, Paragraph 6 of the United States Senate.

[3] In the role, Whitley functioned as the CEO of the Department of the Army, including its more than one million military personnel, 200,000 civilians, and $180 billion annual budget.

[18] On May 5, 2021, Whitley testified to the United States House Appropriations Subcommittee on Defense on the Fiscal Year 2022 Army Budget.

[citation needed] Whitley, J.; Bishop, J.; Burns, S.; Guerrera, K.; Lurie, P.; Rieksts, B.; Roberts, B.; Wojtecki, T.; Wu, L. (2018).

(2013) “Managing Illegal Immigration to the United States: How Effective is Enforcement?” Council on Foreign Relations Special Report.