Mack P. Holt is Professor of History at George Mason University, Virginia. From 1998 to 1999 he served as Co-President of the Society for French Historical Studies, and from 2009 to 2011 as the President of the Society for Reformation Research. In 2005 and 2014, he was a Visiting Professor of History at the Ecole des Hautes Etudes in Paris, and in 2018 a Visiting Fellow Commoner at Trinity College, University of Cambridge.