Miles joined Common Cause in 2014 after 13 years as president of Demos. He previously served as Connecticut's secretary of state from 1995-98 and as a member of the Connecticut legislature from 1985-1994.
Miles founded and directed Democracy Works, a Hartford-based advocacy center that focused on campaign finance reform, voting rights and access, programs to involve citizens in the political process and promoting racial understanding.
His articles have appeared in national magazines and newspapers. Miles serves on the board of The American Prospect magazine, and was its president from 2010-12. He also serves on the board of the Paul J. Aicher Foundation and is a former board member of the Center for Policy Alternatives.