[[I Tatti Renaissance Library]] and the Associate Editor of the [[Catalogus translationum et commentariorum|Catalogus Translationum et Commentariorum]].<ref>{{cite web|title=Associate Editor|url=http://catalogustranslationum.org/index.php/about/people|publisher=catalogustranslationum.org|accessdate=21 August 2015}}</ref> He is a professor in the History Department of [[Harvard University]]. In Spring 2018, he is a Visiting Research Fellow at the [[University of Notre Dame]] Center for Ethics and Culture.<ref>{{cite web|title=VisitngVisiting Research Fellows|url=https://ethicscenter.nd.edu/people/fellows/visiting-scholars/|publisher=ethicscenter.nd.edu|accessdate=28 February 2018}}</ref>