Mark Gregory Pegg (born 1963) is an Australian professor of medieval history, currently teaching in the United States at Washington University in St. Louis, Missouri. He specializes in scholarship of the Albigensian Crusade and the Inquisition, the history of heresy, and the history of holiness. He is author of The Corruption of Angels: The Great Inquisition of 1245–1246 and A Most Holy War: The Albigensian Crusade and the Battle for Christendom.
Pegg was born in 1963 in Port Macquarie, New South Wales, Australia, and grew up in Woy Woy in a working class family (his father was a school-teacher). He received his Bachelor's degree in 1987 from the University of Sydney, and his Master's (1993) and Ph.D. (1997) from Princeton University. He became a visiting professor at Washington University in 1998, was hired as an assistant professor in 1999 and was promoted to associate professor in 2004 and professor in 2009. In 2005, he was awarded an Andrew W. Mellon New Directions Fellowship; in 2009/2010, he received the Supplemental Award to the New Directions Fellowship.
Pegg has published widely on the subject of the Crusades and Inquisition. Selected works include:
- ^ "New Directions Fellowship – Recipients 2005", Andrew W. Mellon Foundation
- "Research profile: Mark Pegg" in The Centre for Medieval Studies Newsletter, vol. 4, no. 2, July 2001, pp. 11, 12. University of Sydney
- "Review: The Corruption of Angels: The Great Inquisition of 1245–1246" by John H. Arnold, University of East Anglia, in H-France Review, vol. 1, no. 31, November 2001