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Tag Archives: Bob Coleman

Bob Coleman’s Busy Year at Six3 Systems

This year has been busy for Bob Coleman, CEO of Six3 Systems. He went from serving as president and COO at ManTech to partnering with GTCR, a private equity firm, to form Six3 Systems, a contracting firm specializing in providing national security and defense intelligence. Based in Fairfax, VA, Six3 …

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What do All These GovCon Executives Have In Common?

All of these entrepreneurs have built service platforms by making strategic acquisitions over the past year. Brad Antle Brad Antle, formerly CEO of SI International, has started a new venture called Salient Solutions LLC with the backing of Frontenac, a private equity firm based out of Chicago.  Brad’s team includes …

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