Prior to joining the Aquinas Center, Greg was Professor of Theology & Religious Studies at Bellarmine University in Louisville, Kentucky.
Greg joined Bellarmine University in 2008 after completing his Ph.D. in the department of Religious Studies at McMaster University in Hamilton, Ontario. His doctoral research was on early Christian theology, with a particular focus on St. Cyril of Alexandria, and has published a number of academic articles on Cyril’s theology.
In the last few years, Greg has turned his attention to the life and writings of Thomas Merton. In addition to teaching a popular undergraduate course at Bellarmine University on Merton, Dr. Hillis has written both academic articles and popular articles on his life and thought. His book entitled Thomas Merton - Man of Dialogue: Thomas Merton's Catholic Identity - is published with Liturgical Press. In 2022, Greg's book was awarded a Catholic Media Association first place award in "Biography."
Greg has been married to Kim for twenty-five years. Together they have three sons.
Director of Operations
From Fort Lauderdale, Florida, Alice earned a Bachelor's degree in Accounting from Immaculata University, and a Master's Degree in Nonprofit Administration from the University of Notre Dame. Alice's professional background includes accounting and technology experience in the banking industry.
Since 2016, Alice has worked with the Aquinas Center in various roles. Alice is passionate about the good work accomplished through nonprofits. She volunteers for local Catholic ministries and organizations, as well as nonprofits that serve and support individuals with disabilities.
Hispanic Program Coordinator
Valeria Longhi is an award winning communications professional with about ten years of experience in communications, multiplatform media and production. She has worked as a Content Producer at CNN International Newsource and as a producer at Warner Channel, Telemundo and EWTN. She earned her Bachelor's Degree in Communications at the University of Lima in Lima, Peru, and a Master's Degree in Communications from Georgia Tech.
Valeria is passionate about working with children. She has dedicated her free time to nonprofit video production work, and teaching Sunday School in the Catholic Church.
Catholic-Orthodox Initiative Coordinator
Deacon Bob was ordained a Permanent Deacon in the Roman Catholic Church in 2010, and earned a Master's Degree in Pastoral Theology from St. Mary-of-the-Woods College in 2012. Deacon Bob has been involved in ecumenical and interfaith dialogue since his ordination on various committees of the archdiocese. He is a former member of the Board of Directors of the Faith Alliance of Metro Atlanta (FAMA) representing the Archdiocese of Atlanta for Ecumenical and Interfaith Dialogue. Deacon Bob taught a course on ecumenical and interfaith dialogue in the Diaconate Formation Program for several years. In addition to his work with the Aquinas Center's Catholic-Orthodox Initiative, he has also served for several years as a Hospice Chaplain.
Bob and his wife, Louise, have been married for forty-nine years and have four adult, married children and seven grandchildren. Bob and Louise love to spend their free-time camping, kayaking and stand-up paddle boarding.