During his extensive career in the public and private sectors, Mr. Horn has held numerous high-level positions. He brings a broad range of domestic and international experience in legal, operating, financial, and government relations areas. Prior to joining Patton Boggs, Mr. Horn served as assistant vice president of Federal Affairs for the Detroit Edison Company, where he led the company in all federal matters, representing DTE Energy, Detroit Edison and its subsidiaries in all federal interactions with the Congress, the executive branch and the administrative agencies. In 1988, he was elected a corporate officer. Mr. Horn also has a great deal of experience in both federal and state government, having served in the White House as executive secretary of the Presidential Clemency Board under President Gerald Ford. He served as special assistant to the assistant secretary of Housing Management for the U.S. Department of Housing and Urban Development assigned to the Office of the Secretary, where he authored two major studies published by HUD. Subsequent to his White House tenure, Mr. Horn became director of the state of Michigan's Washington Office under Governor William G. Milliken, where he held sub-cabinet rank. His colleagues from the other state offices elected Mr. Horn chairman of the Washington Representatives of the Governors. Governor Milliken also appointed Mr. Horn as a board member of the Michigan Energy Research and Resource Association, an industry, state government and academic coalition organized to promote technology development in the state of Michigan. In 1987, President Reagan appointed Mr. Horn to the United States Holocaust Memorial Council. He was re-appointed in 1992 by President Bush and allowed to serve an additional two years under President Clinton. During that time he was involved in the creation of the United States Holocaust Memorial Museum serving on the Content and International Relations committees. When the museum was completed, he was elected to the Executive Committee and chaired the Governance Committee that supervised the internal management of the museum. Mr. Horn became a member of the negotiating team that obtained restitution for the double victims of the communism and nazism in Eastern Europe.