Leonard J. DeLorenzo has worked at the McGrath Institute for Church Life since 2003 and teaches theology at the University of Notre Dame. He is the author or editor of eleven books, including Witness and What Matters Most.

Through the McGrath Institute, DeLorenzo is developing the Sullivan Family Saints Initiative, devoted to fostering scholarship on, and devotion to, the saints. He also launched, produces, and hosts Church Life Today--a popular radio show and podcast. In addition to writing books, articles, and essays, he speaks regularly in academic and pastoral settings on the saints, biblical catechesis, vocation and discernment, and the theological imagination, among other topics.

DeLorenzo and his wife, Lisa, live in South Bend, Indiana, with their children.