Archbishop Thomas E. Gullickson

Thomas Edward Gullickson was born on August 14, 1950 in Sioux Falls, South Dakota and is an American prelate of the Roman Catholic Church. He studied canon law at the Pontifical Gregorian University in Rome and joined the Vatican diplomatic service in May 1985 serving in diplomatic missions to Rwanda, Austria, Czechoslovakia, Jerusalem, Israel and Germany. He has served as an Apostolic Nuncio since 2004, most recently to Switzerland and Liechtenstein from 2015 until his retirement at the end of 2020.

Bishop Michael Warfel

Michael Warfel was born in Elkhart, Indiana, and studied at Indiana University. He left his studies to enlist in the U.S. Army, serving 18 months in Vietnam and and 13 in Korea. He attended St. Gregory’s College Seminary in Cincinnati, Ohio, earning a Bachelor of Arts degree in philosophy. He received a Master’s of Divinity from Mount St. Mary’s Seminary of the West and a Master’s in Theology from St. Michael’s College in Colchester, Vermont. He was ordained a priest for the Archdiocese of Anchorage by Archbishop Hurley on April 26, 1980. Bishop Warfel was appointed as the 8th Bishop of the Diocese of Great Falls-Billings on November 20, 2007, and installed on January 16, 2008.

Monsignor Richard Huneger, STL

Msgr. Huneger was ordained to the priesthood in 1973 by Archbishop Robert Dwyer, and he has been serving the Archdiocese of Portland since his ordination. He received his Licentiate in Sacred Theology from the University of Innsbruk, Austria and he was the Director of Pastoral Services for the Archdiocese of Portland from 1987-1994. Msgr. Huneger has been the Pastor at St. Joseph Parish since 2014.

Sr. Mary Regina, MSSR, PhD

Sr. Mary Regina, MSSR, has been a religious for over 28 years, and is blessed to be a professed member of the Marian Sisters of Santa Rosa. Sister holds a Ph.D., an M. Phil., and an M.A. in Philosophy from Fordham University. She pursued an S.T.B. degree at the Pontifical University of Saint Thomas Aquinas, in Rome, and holds a B.A. and an M.A., in Philosophy and Theology, from Blackfriars Hall, Oxford University. She has taught philosophy and theology for over 31 years, and has held teaching positions at Fordham University, Manhattanville College, and the College of Mount St. Vincent. Sister Mary Regina has devoted over 35 years to the study of Latin chant theory and practice and is an experienced liturgist and choir/music director. She has great devotion to Our Lord in His Divine Mercy, and to Our Immaculate Mother, particularly as Queen of the Holy Rosary.

Aaron Riches, PhD

Dr. Aaron Riches has a master’s degree in English literature from York University in Canada. He also received a master’s degree in Religious Studies from the University of Virginia. He obtained his PhD at the University of Nottingham. Previously, he taught theology at the Seminary Mayor San Cecilio in Granada, Spain. Additionally, he is a joint faculty member of the International Academy of Philosophy-Instituto de Filosofía "Edith Stein" and the Instituto de Teología “Lumen Gentium". In 2016, he published his first book, Ecce Homo: on the divine unity of Christ. Currently, he is a theology professor at Benedictine College in Atchison, Kansas, where he lives with his wife and six children.

Lynne Bissonnette-Pitre, MD, PhD, LGCHS

Dr. Lynne Bissonnette-Pitre is a psychiatrist, musician and iconographer. She has lectured nationally, led retreats and has been organizing the Sacred Liturgy Conferences since 2013. She currently serves on the Holy Alliance of the Catholic Medical Association and has served on the Executive Board of the CMA. She teaches classes on sacred scripture, iconography, and Gregorian Chant and is a Dame Grand Cross of the Knights and Dames of the Holy Sepulchre of Jerusalem. She is also the co-founder and director of Schola Cantus Angelorum and is the Executive Director of the Sacred Liturgy Conference.

Kevin M. Clarke, PhD

Dr. Kevin Clarke is Assistant Professor of Sacred Scripture at St. Patrick's Seminary and University in Menlo Park, CA, where he teaches Scripture and patristics. He is a scholar of Biblical Theology and Patrology (the study of the Church Fathers) whose research focuses primarily upon patristic readings of Scripture. His Ph.D. dissertation under the direction of Dr. Michael Waldstein focused on Maximus the Confessor’s Biblical way of understanding Christ’s humanity in the monothelite controversy. His dissertation included substantial original translation work of Maximus’s thought. On July 1, 2022 he will take the position of Dean of the Institute of Lay Ministry and Associate Professor in the Graduate School at Sacred Heart Major Seminary in Detroit, MI.

John O'Neill, PhD

Dr. John O'Neill is a Theology teacher at Archbishop McCarthy High School in Southwest Ranches, FL, and a Lecturer in Theology at Saint John Vianney College Seminary in Miami, FL. He finished his BA in Philosophy and Theology at Franciscan University of Steubenville before attending the Dominican House of Studies in Washington, DC., where he received his STB, MA in Theology, and STL. He completed his PhD in Theology at Ave Maria University where he wrote on the Trinitarian Ecclesiology of Charles Journet, explaining the mystery of Christ and the Chruch in light of the visible missions of the Son and the Holy Spirit. He specializes in Trinitarian theology with an emphasis on the connection of the economy of salvation to the inner life of God through the divine missions, the Imago Dei, and the sacraments.

Sr. Caritas Marie, MSSR

Sr. Caritas Marie, MSSR is a perpetually professed member of the Marian Sisters of Santa Rosa, a religious community founded to magnify Jesus Christ through joyful evangelization and the fullness of the Church’s liturgical life. A graduate of Franciscan University of Steubenville, Sister is pursuing further studies in Sacred Arts and Theology. She currently serves in the Diocesan Chancery as the Director of Development and her community as Treasurer.

Fr. Ryan Erlenbush

Fr. Ryan Erlenbush, a Montana native, studied at St John Vianney Seminary in St Paul, MN before completing his theological training at the North American College in Rome. Ordained a priest in 2009 and gaining a License degree with a focus in Sacramental Theology from the Angelicum, Father Erlenbush returned to serve in the Diocese of Great Falls - Billings. Having sat on the diocesan priest council, he currently serves on the diocesan pastoral council, the diocesan liturgy commission and the college of consultors. Father Erlenbush is an avid alpine skier, enjoys mountaineering, and has run several marathons and ultramarathons. He loves linguistics, and is a student of both classical languages and Old English. Fr. Erlenbush is currently serving in parish ministry at Corpus Christi Parish in Great Falls, MT.

Fr. Bart Stevens

Fr. Bart Stevens grew up in Montana, and had a radical conversion to Christ as a teenager attending an Assemblies of God youth group. When he was exposed to the Christian intellectual tradition at Wheaton College, he became a 5-point Calvinist, and when he went on to seminary studies at Gordon-Conwell, he fell in love with liturgy. After being ordained as an Episcopal priest, he finally realized that his love for personal prayer, intellectual rigor, and meaningful liturgy could all be fulfilled in the Catholic Church. Fr. Bart was eventually ordained a Catholic priest under the Pastoral Provision. He is the Pastor of St. Anthony Catholic Church in Laurel, MT.

Fr. Theodore Lange, STL

Fr. Theodore Lange is a priest in the Archdiocese of Portland in Oregon, and is currently serving as Pastor of St. Catherine of Siena in Veneta and Chaplain/teacher at Marist Catholic High School in Eugene. He was appointed a Missionary of Mercy by Pope Francis in 2016 and is State Chaplain for the Knights of Columbus. Past service includes: Formation Direction/Adjunct Professor/Assistant to Director of Spiritual Formation at Mt. Angel Seminary, Prison Chaplain, Parochial Vicar at Shepherd of the Valley and Our Lady of Fatima. Fr. Theo has preached numerous retreats and days of reflections through his time serving as a priest in the Archdiocese. He has been involved with the Sacred Liturgy Conference since its beginning, and currently serves as MC during the conference lecture sessions.

Fr. Joseph Levine

Fr. Joseph Levine graduated from Thomas Aquinas College and after a long journey was ordained to the priesthood for the Diocese of Baker, Oregon. He currently serves as pastor of Holy Family Catholic Church in Burns, Oregon.

Fr. Joshua Clifton

Fr. Joshua Clifton was born and raised in San Luis Obispo, CA. He graduated from the University of California at Berkeley and from Mount Angel Seminary. He was ordained a priest for the Diocese of Monterey in 2012. Father Clifton has ministered as a priest at several churches in California, including Madonna del Sasso Church in Salinas, Holy Trinity Parish in Greenfield, St. Patrick's Parish in Watsonville, Our Lady of Refuge Parish in Castroville, and Our Lady Star of the Sea Parish in Santa Cruz. He currently resides in the Archdiocese of Portland where he serves as the administrator of St. Birgitta Catholic Church in Portland and St. Mary Catholic Church in Vernonia.

Lucas Viar

Lucas Viar is the director for Granda Liturgical Arts in the United States. After completing his degree in Architecture he went on to specialize in Sacred Art and Architecture, Museum Studies, Restoration and Cultural Heritage at “La Sapienza” in Rome and EPC in Segovia. He has previously worked for the City Museums of Florence and the Spanish Institute of Cultural Heritage. A lifelong enthusiast of the Sacred Arts and the Heritage of the Church, Lucas takes part in many initiatives related with the dissemination and appreciation of these subjects, such as the School of Liturgy of the diocese of Alcalá, the Pater Program, the Centro Fede e Cultura in Florence or Nartex. He is also a contributor for Liturgical Arts Journal and New Liturgical Movement.