 Following his time in the George W. Bush administration, Stimson joined The Heritage Foundation, where he is currently a senior legal fellow and manager of the National Security Law Program.Earlier in his career, Stimson served as an Assistant United States Attorney for the District of Columbia and as Vice President for Private Equity Mergers & Acquisitions at Marsh & McLennan Companies.Stimson is the son of Douglas Joseph Stimson, chairman emeritus of the family's Seattle-based real estate holding firm, the C.D.