Stephen Preskill is chair of the Department of Education at Wagner College in New York City. He held the Jane Simmons McKimmon Professorship of Leadership Studies at Peace College in Raleigh, North Carolina.

Stephen D. Brookfield is Distinguished University Professor at the University of St. Thomas, in Minneapolis, Minnesota.

Preskill and Bookfield are the coauthors of Discussion as a Way of Teaching, second edition, from Jossey-Bass.