Prior to launching Denny Miller Associates in 1984, Denny served on the personal staff of the late Senator Henry M. "Scoop" Jackson (D-WA) for 16 years - the last six years as his chief of staff. Denny assisted Senator Jackson in his positions as Chairman of the Energy and Natural Resources Committee, Ranking Member of the Armed Services Committee, and senior member of the Governmental Affairs and Intelligence Committees. Denny served as a professional staff member of the Energy and Natural Resources Committee, specializing in energy policy and environmental, Indian and youth employment issues. Denny began his career as an officer in the US Army at Fort Riley, Kansas. He received a Master of Public Administration from the University of Washington; a Master of Science (M.S.) in water pollution biology from the University of Washington; and a Bachelor of Science in natural resources management from Oregon State University. Denny serves on the Board of Directors for the Washington Tennis & Education Foundation; Long Live the Kings; the Council of Advisors for Forterra (formerly the Cascade Land Conservancy); and is a member of the National Leadership Council for the Communities in Schools. Denny resides in Alexandria, Virginia, with his wife, Sandra.