The first alum to serve as GTU president, Donahue was also Professor of Ethics.

Before returning to the GTU, he served at Georgetown University for fifteen years as professor of theology and dean of students. In 1992, he was selected as the outstanding teacher of the year at Georgetown. Dr. Donahue completed a $12 million fundraising campaign in 2010 that raised more than $4 million for scholarships and established the Center for Islamic Studies.