ManTech International Corporation (NASDAQ:MANT) has named Mark P. Chadason senior vice president and general manager of its Cyber and Security Operations Business Unit. Chadason’s team provides specialized security solutions to key intelligence community and U.S. military customers.

Chadason joined the company in 2009 as a corporate risk officer and was promoted as a result of his demonstrated leadership, subject matter expertise and excellent performance. In his new role, Chadason will be responsible for the security support and special military programs business areas, in addition to various business development initiatives.

Chadason is a seasoned CIA veteran with more than 22 years experience working with the intelligence community and U.S. military on intelligence and security matters. He was stationed at several overseas locations during his CIA career and received several awards, including the distinguished intelligence career medal, intelligence commendation medal, and other senior intelligence service awards.

“Mark’s transition from government to industry has been exemplary,” said L. William Varner, president and chief operating officer of ManTech’s Mission, Cyber and Technology Solutions Group. “I am confident that Mark will continue to demonstrate the leadership he has already shown in his previous role in MCTS as well as in his government service, and lead us to even greater success in the future.”

About ManTech International Corporation

ManTech is a leading provider of innovative technologies and solutions for mission-critical national security programs for the intelligence community; the departments of Defense, State, Homeland Security, Energy and Justice, including the Federal Bureau of Investigation; the space community; the National Oceanic and Atmospheric Administration; and other U.S. federal government customers. We provide support to critical national security programs through 1,000 current contracts. ManTech’s expertise includes command, control, communications, computers, intelligence, surveillance and reconnaissance (C4ISR) lifecycle support, cyber security, global logistics support, intelligence/counter-intelligence support, information technology modernization and sustainment, systems engineering, and test and evaluation. ManTech supports major national missions, such as military readiness, terrorist threat detection, information security and border protection. Additional information on ManTech can be found at

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