John Ferrari is a nonresident senior fellow at the American Enterprise Institute (AEI), where his work focuses on the defense budget, defense reform and acquisition, and the US military. He is concurrently the chief financial officer at QOMPLX, a data analytics and cybersecurity firm.

Over his 32-year US Army career, Major General Ferrari, who is now retired, served as the director of program analysis and evaluation, the commanding general of the White Sands Missile Range, a deputy commander for programs at the NATO Training Mission in Afghanistan, and a strategic planner for the Combined Joint Task Force Seven in Iraq during Operation Iraqi Freedom. His Army service also includes working at the US Army Materiel Command, as a platoon leader and executive officer for the 2nd Cavalry Regiment in Germany, and as a company commander and plans officer for the 3rd Cavalry Regiment.

Major General Ferrari has also worked as a branch chief for contingency operations for the Joint Chiefs of Staff at the US Department of Defense and as a program examiner at the Office of Management and Budget at the White House.

He has an MBA in finance and strategic management from the Wharton School at the University of Pennsylvania, an MA in national resource strategy and policy from the Industrial College of the Armed Forces (now called the Eisenhower School for National Security and Resource Strategy), and a BS in computer science from the United States Military Academy at West Point.