


Employees at CACI International rank John Mengucci in the Top 15% of CEOs in Washington, DC. Comparatively, employees at Peraton rank Stu Shea in the Bottom 10% 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 Peraton
BIO: As Chief Executive Officer, Stu leads the company’s strategic direction. His vision and guidance drive Peraton’s performance and culture. Stu is the former President and Chief Operating Officer (COO) of Leidos, and was the principal architect in the creation of Leidos when he served as COO of SAIC. Prior to being named COO, Stu led SAIC’s support to the National Security Community as President, Intelligence, Surveillance and Reconnaissance Group. Stu is also a founder of the United States Geospatial Intelligence Foundation (USGIF) and the highly acclaimed GEOINT Symposium. He serves on several industry, government, and academic advisory boards. Stu was a member of the Director of National Intelligence’s Senior Advisory Group (SAG) and in 2016 he was presented the Intelligence Community Seal Medallion by Director of National Intelligence James R. Clapper, Jr. for his service. He has also been the recipient of numerous awards for his leadership within the industry. Stu has a Master of Arts from the University of Kansas, a Bachelor of Science from State University of New York at Albany, and executive education at the University of Virginia, Harvard Business School, Wharton, and The George Washington University.

Women at CACI International rated their CEO an A

Women at Peraton rated their CEO a B-

Diverse Employees at CACI International rated their CEO an A+

Diverse Employees at Peraton rated their CEO a C


Not Enough Data

At CACI International, employees in the Operations department rate John Mengucci the highest. At Peraton, the Engineering department's employees rate their CEO highest. And, 100% of Peraton's employees approve of their CEO's management style.