Dr. Lawrence Jannuzzi is a scholar of history whose primary research areas include medieval theology, ecclesiology, and political theory; English and Italian church; and intellectual history. His secondary research areas are comparative church history and the Reformation in late medieval Europe, Tudor/Stuart England, and Colonial America. At Zaytuna College, he has taught Constitutional Law.

Dr. Jannuzzi earned his PhD in History from the University of California, Berkeley, in 2004. He also earned his Juris Doctor degree from UC Berkeley School of Law (Boalt Hall), practicing as an attorney in San Francisco for thirty-five years with emphasis on representation of churches and religious organizations, culminating in service as General Counsel for the Roman Catholic Archdiocese of San Francisco.

Dr. Jannuzzi has a reading knowledge of German, French, Italian, and Latin.