He was chair of FairVote from 1996 to 2008, after helping to found the organization in 1992, and continued to serve on its board until 2014. He also served as president of the World Federalist Association and on the advisory board of Public Campaign and the Electronic Privacy Information Center, and was of counsel to the Washington, D.C.-based law firm of Greenberg & Lieberman, LLC. He was the first executive director of the Council for the National Interest, founded in 1989 by former Congressmen Paul Findley (R-IL) and Pete McCloskey (R-CA) to promote American interests in the Middle East.