Robert Coleman is chief executive officer and chief operating officer of Six3 Systems Inc. Prior to his current role at Six3 Systems, which was formed in 2009, Coleman served as president and chief operating officer of ManTech International from September 2004 through March 2009.
Coleman also served as chief executive officer and president of Integrated Data Systems, which he founded in 1990. Coleman's clients included those from the intelligence community and the Defense Department and provided such services as software engineering, computer security and enterprise architecture solutions. IDS was acquired by ManTech in 2003.
Coleman served in the White House National Security Council Crisis Management Center during the Reagan and George H.W. Bush administrations. He also supported national security efforts while working for SAIC and Raytheon Technical Services.
Coleman holds a degree in business computer information systems from Clarion University in Clarion, Pa.