Bill Greenwalt was a nonresident senior fellow at the Atlantic Council within the Scowcroft Center for Strategy and Security, and specializes in industrial-base and defense-management reform issues. Previously, Greenwalt worked as a professional staff member on the US Senate Armed Services Committee, responsible for legislative reform efforts in the Pentagon. Prior to that, he served in senior positions at the Pentagon, where he was deputy undersecretary of defense for industrial policy, in Congress in both the Senate and House of Representatives, and in the defense industry. He is also currently an advisor, board member, and consultant to a range of government, nonprofit, and private-sector entities on defense and government matters.