


Employees at CACI International rank John Mengucci in the Top 15% of CEOs in Washington, DC. Similarly, employees at ManTech rank Kevin Phillips in the Top 5% of CEOs in Washington, DC. Employees rate their CEO differently based on the frequency of interaction, ability to affect company culture, and drive measurable results.

CEO of CACI International
BIO: John Mengucci is President and Chief Executive Officer (CEO) of CACI International Inc, an international provider of expertise and technology serving enterprise and mission defense, intelligence, and federal civilian government customers. Under his leadership, CACI continues to develop innovative and differentiated technology offerings aimed at serving our customers, delivering sustainable growth, and driving shareholder value. Prior to his appointment as President and CEO, Mr. Mengucci served as Chief Operating Officer. In this position, he was responsible for developing and implementing CACI’s market-aligned strategy, deploying resources in areas of growth, creating the company’s recruiting and retention plan, and integrating strategic acquisitions that were critical to CACI’s strong operational performance. He was responsible for establishing the company’s Shared Services Center and oversaw many corporate functions, including business development, human resources, and contracts, to scale the organization and accelerate business growth. In 2020, Mr. Mengucci was recognized on the Wash100 list and Virginia Business Magazine’s 500 Power List. He was named one of WashingtonExec’s Top 25 Execs to Watch in years 2020 and 2019, and was selected by Federal Computer Week to its 2018 Federal 100 (Fed100) list of visionary and transformative government and industry leaders.

CEO of ManTech
BIO: Kevin M. Phillips is president and CEO of ManTech. He leads a global team of more than 8,000 employees who are committed to advancing technologies that solve some of the nation’s most challenging problems. Mr. Phillips brings a record of success to delivering results for defense, intelligence and federal civilian agencies that rely on ManTech for full-spectrum cyber operations, analytics and automation, digital transformation and enterprise IT solutions tailored to support their missions. Mr. Phillips was appointed CEO of ManTech on Jan. 1, 2018, after serving as president and COO since 2016. He also served as chief financial officer from 2005 to 2016 and has been corporate vice president and assistant to the chairman and chief of staff. He joined the company in 2002 through ManTech’s acquisition of CTX Corporation. Kevin M. Phillips is president and CEO of ManTech. He leads a global team of nearly 8,000 employees who are committed to advancing technologies that solve some of the nation’s most challenging problems. Mr. Phillips brings a record of success to delivering results for defense, intelligence and federal civilian agencies that rely on ManTech for cyber solutions, critical data, systems engineering and software, and enterprise IT solutions tailored to support their missions. Mr. Phillips was appointed CEO of ManTech on Jan. 1, 2018, after serving as president and COO since 2016. He also served as chief financial officer from 2005 to 2016 and has been corporate vice president and assistant to the chairman and chief of staff. He joined the company in 2002 through ManTech’s acquisition of CTX Corporation. Today Mr. Phillips is widely credited with the strategic vision behind ManTech’s strong organic growth, strategic acquisitions and recognition as a leader in the digital domain. Mr. Phillips is a graduate of William & Mary with a degree in business administration and a member of the Board of Trustees of the William & Mary Foundation. He is a member of the Northern Virginia Technology Council’s Board of Directors. He spent 10 years in the U.S. Army Reserves. ManTech is committed to being the nation’s No. 1 employer of veterans.

Women at CACI International rated their CEO an A

Women at ManTech rated their CEO an A+

Diverse Employees at CACI International rated their CEO an A+

Diverse Employees at ManTech rated their CEO an A+

Not Enough Data

At CACI International, employees in the Operations department rate John Mengucci the highest. At ManTech, the Engineering department's employees rate their CEO highest. And, 60% of ManTech's employees approve of their CEO's management style.