Personal Statement:

Executive Director, Medieval Studies Program, PhD, University of Toronto. Historian of the society and culture of Medieval and Early Renaissance Siena and Tuscany.

Research and Teaching Interests:

  • The Magnates of Siena, 1240-1420. 2 vols
  • Medieval and Early Renaissance Italy
  • Manuscript Studies I: Paleography
  • Manuscript Studies II: Diplomatics and Codicology
  • Sexual and Economic Ethics in Medieval and Early Renaissance Italy

Current Projects:

  • Culture and Society of Medieval Seina
  • Coedited The Blackwell Companion to the Middle Ages

Selected Publications:

  • Enterprise and Liability in Sienese Banking, 1230-1350.
    Medieval Academy of America, 1988
  • Encyclopedia of the Medieval World. 2 vols.
    Facts-On-File, 2005
  • Coedited with Mark Meyerson: Christians, Muslims and Jews in Medieval and Early Modern Spain.
    University of Notre Dame Press, 1999.
  • Blackwell Companion to the Middle Ages
    Blackwell, May 2009
  • Edited: Mediaeval Studies, 1988-1990.


Courses Taught:


  • Manuscript Studies I, 2009, 2012, 2014, 2015
    Latin Paleography
  • Manuscript Studies II, Spring 2009, 2012, 2012, 2015
  • Medieval Latin (Fall 2008, 2010, 2012, 2014


Honors and Professional Activities:

  • Lila Wallace/Readers Digest Visiting Professor, Harvard’s Villa I Tatti in Florence
    January to June 2008