Mr. John S. Mengucci has been the Chief Executive Officer, President, and a Director of the company since July 2019. Prior to this, he served as the Chief Operating Officer of the company from 2017 to 2019 and Chief Operating Officer of US Operations of the company from 2012 to 2017. Previously, he served various roles in Lockheed Martin Corporation including President of Information Systems and Global Solutions, Civil Product Line from 2010 to 2012, and President of Information Systems and Global Solutions, Defense Line from 2007 to 2010.

Mr. Jeffrey D. MacLauchlan has been an Executive Vice President, the Chief Financial Officer, and Treasurer of the company since November 2022. Prior to this, he served as the Senior Vice President of the Finance at the company. Previously, he also served as a Senior Vice President of Rockwell Collins from 2014 through 2018. He also served as a Senior Vice President of Lockheed Martin Corporation from 1982 to 2014.

Mr. Jason Bales has been a Senior Vice President and the Chief Technology Officer of the company since January 2025. Prior to joining CACI in 2017, he served as a Senior Systems Engineer at Azure Summit Technologies.

Ms. Angie Combs has been an Executive Vice President and the Chief Human Resources Officer of the company since 2018. Before joining CACI, she served as a Senior Vice President and the Chief Human Resources Officer for LMI. Prior to this, Ms. Combs served as the Senior Vice President of Human Resource for the US Defense Sector of Cobham Advanced Electronic Solutions. Before joining Cobham, she held various positions of increasing leadership during a 14-year career at Lockheed Martin Corporation including the Vice President, Human Resource of Defense IT business and the Vice President, Human Resource of Global Training and Logistics business.

Ms. Lisa S. Disbrow has been the Chairman of the company since 2025. Previously, she served as a Director of the company. She has over 32 years of experience in national security, and broad experience serving on public boards for technology and solution providers, both in commercial industry and for US Government customers. Ms. Disbrow retired as the Under Secretary of the US Air Force in June 2017, having served in that role since January 2015. From January 2017 through May 2017, she served as the Acting Secretary of the US Air Force and from 2014 to 2016, served as the Assistant Secretary of the Air Force for Financial Management and Comptroller. Ms. Disbrow joined the US Air Force in 1985 and retired in 2008 as a Colonel from the US Air Force Reserve. She previously served on the board of directors of Perspecta Inc from 2018 through its acquisition in May 2021. Currently, Ms. Disbrow serves on the board of directors of Mercury Systems and BlackBerry.