Dr. John Gresham is a Professor of Theology and Director of Distance Education and Online Learning in the Institute for Lay Ministry at Sacred Heart Major Seminary in Detroit MI. After receiving a BA in Biblical Studies from Wheaton College in Illinois, John and his wife spent a year in Youth With a Mission before John returned to Wheaton for his MA in Theology. He went on to complete a PhD in Religious Studies at Baylor University and MS in Library Science at the University of North Texas.

In his academic career Dr. Gresham has worked as a theology professor and/or librarian at Christian Life College, Baylor University, Sterling College, Franciscan University of Steubenville, Fontbonne University and Kenrick-Glennon Seminary (where he also served as Academic Dean for seven years). Dr. Gresham is a certified Spiritual Director (graduate of Alleluia) and teaches each summer in a spirituality program for seminarians run by the Institute for Priestly Formation in Omaha, NE. He and his wife (who is also a spiritual director) were resident caretakers of Vision of Peace Hermitages, a small retreat center near St Louis, from 2015-2018. While serving at Kenrick-Glennon Seminary, Dr. Gresham also taught courses for the Paul VI Catechetical Institute, Archdiocese of St. Louis where he introduced online courses for the laity. After 15 years of teaching online for Paul VI Institute, he accepted the invitation in 2018 to provide leadership for online education at Sacred Heart Major Seminary in Detroit.

Dr. Gresham traveled a spiritual pilgrimage from evangelical and Pentecostal roots through the Episcopal Church, finally finding his way into the Catholic Church in 1996. In 2008, he shared his story on the Journey Home program on EWTN. Today he is involved in Catholic Charismatic Renewal and ecumenical dialogue with Pentecostals and new charismatic churches.

John is the author of the books Jesus 101, Holy Spirit 101 and co-author of Wonder and the Prayerful Study of Theology. He has been married almost 40 years, has 5 children and 3 grandchildren (so far).