Suzan Denise Johnson Cook  is a U.S. presidential advisor, pastor, theologian, author, activist, and academic who served as the United States Ambassador-at-Large for International Religious Freedom from April 2011 to October 2013.[2] She has served as a policy advisor to President Bill Clinton and later to the Secretary of Housing and Urban Development Henry Cisneros, a dean and professor of communications at Harvard University, a professor of theology at New York Theological Seminary, a pastor at a number of churches, a television producer, and the author of nearly a dozen books.