Prior to her position at the University of Illinois, Fox served in various capacities at Prentice Hall and Holt, Rinehart, and Winston. In the late 1980s, she managed operations of the office of Executive Director of the National Council of Teachers of English (NCTE), a 90,000 member organization with a 9 million dollar budget. In the 1990s, she managed operations of the Conference on College Composition and Communication, the professional organization within NCTE serving all college-level teachers of writing in the nation.
Fox earned her B.S. degree and teaching certificate from Illinois State in 1979 with a major in English and a minor in theater. She holds an M.S. in Education from Eastern Illinois University.