Rev. Gregory Heille, OP, serves as professor of preaching and evangelization and directs the Doctor of Ministry in Preaching program at Aquinas Institute of Theology. With Deborah Wilhelm, he codirects Aquinas Institute's Lilly-funded Delaplane Preaching Initiative.

Rev. Maurice Nutt, CSsR, is a Redemptorist missionary preacher living in New Orleans and an Aquinas Institute Doctor of Ministry in Preaching graduate. He is the author of Down Deep in My Soul: An African American Catholic Theology of Preaching and teaches in Aquinas Institute's Lilly-funded New Frontiers in Preaching Academy.

Dr. Deborah Wilhelm codirects the Aquinas Delaplane Preaching Initiative. She is an adjunct professor of preaching and evangelization at Aquinas Institute and a lecturer at Loyola University of New Orleans. She holds the Doctor of Ministry in Preaching from Aquinas Institute and resides in Oregon.