Benedictine Monks

Fr. Frank Ziemkiewicz, O.S.B.

Fr. Frank Ziemkiewicz, O.S.B., is a retired U.S. Army Colonel and Prior of Benedictine Priory in Savannah. His previous experience includes serving as Dean of Students at Saint Vincent College in Latrobe, Pa. and as pastor of St. Mary’s Parish in St. Mary’s, Pa. His service term at St. Mary’s was interrupted as he had to serve as a chaplain in the U.S. Army during a tour of duty in Afghanistan and Iraq.

He received a commission in the Army’s engineer branch in 1971 and through the ROTC was on active duty in Germany from 1972-74. His military service included having a company command for the 3rd Engineer Battalion while in Fort Stewart, Ga. from 1975-78. The Reverend Colonel’s final assignment was with the U.S. Army Corps of Engineers, Savannah District. While in Savannah, he became acquainted with the Benedictine community and pursued a calling to the priesthood. 

Leaving active duty in the military, he went to the Saint Vincent Seminary in Latrobe. Father continued his military career following his ordination as a priest, later attaining the rank of Colonel before retiring in February 2007. He has a B.S. degree in mechanical engineering from the University of Pittsburgh and master of divinity degree from Saint Vincent Seminary. Read about Fr. Frank in Connect Savannah.

Fr. David Klecker, O.S.B.

Benedictine Prior / Computer Science Teacher / Mathematics Teacher
Fr. David Klecker, O.S.B., who is from Minnesota, earned a bachelor of science degree in 1997 from Purdue University, West Lafayette, Ind. He has done graduate work at the Angelicum in Rome, the Aquinas Institute of Theology, St. Louis, and at Holy Apostles College and Seminary, Cromwell, Conn.

He completed his master of divinity degree at Saint Vincent Seminary in 2016. He was ordained a deacon in the spring of 2011. At the Archabbey, his assignments have included work in the Archabbey Public Relations Office; assistant to the monastic community in computer technology and as a videographer.

Fr. David professed solemn vows on July 11, 2018, in Latrobe, Pa. He was ordained a priest Sept. 22, 2018, in Latrobe, Pa. He received his master's degree in computer science from Georgia Southern University in May 2019.

Br. Matthew Hershey, O.S.B.

Theology Teacher
Br. Matthew Hershey, O.S.B., a native of State College, Pa., earned a degree in special education from Franciscan University of Steubenville in 2008. In addition to teaching, he has coached club soccer, and been a high school boys junior-varsity soccer coach and varsity assistant.

He became a novice of Saint Vincent Archabbey on July 1, 2013, and professed simple vows on July 10, 2014.

He began studies at Saint Vincent Seminary in the fall of 2014. His assignments have included assistant director, Archabbey guests and guest facilities; assistant, college athletics; assistant to the director of vocations, and miller, Saint Vincent Gristmill.

Fr. Barnabas O'Reilly, O.S.B.

Theology teacher
Fr. Barnabas O'Reilly, O.S.B., is a solemnly professed monk of Saint Vincent Archabbey in Latrobe, Pa. He was ordained to the priesthood May 14, 2022. Before completing a Masters of Divinity from Saint Vincent Seminary, he completed a Masters in Catholic Philosophical Studies from Saint Vincent Seminary and a bachelor's degree in Biology from Saint Vincent College.

During his time as a monk, Fr. Barnabas has worked for many years in campus ministry at Saint Vincent College. Before entering the monastery, he worked for two years as a missionary with St. Paul's Outreach and was stationed at West Virginia University.

Fr. Barnabas is passionate about sharing the Catholic faith and helping people grow in their own sense of mission and relationship with God. He is an avid fisherman and outdoorsman, as well as a big Pittsburgh Steelers fan.

Fr. Barnabas looks forward to experiencing the good food and hospitality of the South and becoming part of the BC family.

Fr. Gregory Visca, O.S.B.

Theology Teacher
Fr. Gregory Visca, O.S.B., joins the Benedictine Military School Theology Department from Saint Vincent Archabbey in Latrobe, Pa., where he completed his second year of simple vows and a second year of theological studies in the seminary. Fr. Gregory is pursing a Master of Divinity and a Master of Arts in Monastic Studies. He earned a bachelor's degree in philosophy from St. John Vianney College Seminary in Miami, Fla.

His discernment of a religious vocation spanned four more years after his time as a missionary until he entered the novitiate at Saint Vincent Archabbey as a novice in 2018 and made first profession of vows July 10, 2019. He has worked in the office of vocations and as assistant master of ceremonies, sacristan, and assistant gift shop manager as juniorate assignements.

In 2021, he was assigned to teach theology at Benedictine Military School. He returned to Saint Vincent in the fall of 2022 to complete his studies for the priesthood. He was ordained to the diaconate on Nov. 26, 2022, by Most Rev. Larry J. Kulick, Bishop of the Diocese of Greensburg. Fr. Gregory was ordained to the priesthood June 10, 2023, by Most Rev. Larry J. Kulick, Bishop of the Diocese of Greensburg, in the Saint Vincent Archabbey Basilica.

Fr. Gregory enjoys reading, learning about monasticism and Christian spirituality, and evangelization. He also is enthusiastic about technology, video games, multimedia, and community life. Over and above all things is his deep love for Christ, which he desires to share with the people of God through authentic witness and service.

Fr. Gregory was born in Kent, Ohio, before moving to Tampa, Fla. In eighth grade, he started to seriously discern a religious vocation. After graduating high school, he applied to enter seminary for the Diocese of St. Petersburg, where he spent six years in formation.