Clergy and Administration

Very Reverend David A. Boettner, V.G., Rector

Fr. David Boettner is the Rector of the Cathedral of the Most Sacred Heart of Jesus and was ordained in May 1994. He also serves as the Vicar General and Moderator of the Curia at the Diocese of Knoxville. Fr. David has served as Associate Pastor of Our Lady of Perpetual Help in Chattanooga, Associate Pastor of Sacred Heart Cathedral, Pastor of St. Mary Church in Athens, and Pastor of St. Thomas the Apostle in Lenoir City. He holds a Bachelor of Arts from St. Meinrad and a Master of Divinity degree from St. Mary of the Lake.

Reverend Jhon Mario Garcia, Associate Pastor

Father Jhon Mario was born in a town called Dosquebrados in Colombia, South America. He is the third of 7 children and entered the seminary of the Congregation of the Mission (Vincentian Fathers) in 2005. He was ordained a priest on August 16, 2014. After his ordination, he was sent to work in Vocational Ministry for his congregation. In 2017, his superiors sent him to work with the Hispanic ministry in California at Saint Mary Magdalen, Camarillo, CA, Archdiocese of Los Angeles, where he worked for two and a half years.

Reverend Marcin Gladysz, Associate Pastor

Fr. Martin Gładysz was born on October 16, 1976, in Krakow. He grew up there and obtained his elementary and secondary education, as well as completed Gastronomic Technical School. His parents, Mark and Leokadia, still live in Krakow, as does his older sister, Edyta, with her family. In 1995, hearing the call to the priesthood, he began his philosophical and theological studies combined with his seminary formation. In 2002, he obtained a master’s degree at the Pontifical Academy of Theology (currently the Pontifical University of John Paul II in Krakow). On May 18, 2002, he was ordained a priest at the Cathedral Basilica of the Holy Family in Częstochowa.

Mary Sue Kosky, Principal

Mrs. Kosky holds a B.S. in Special Education from the University of South Florida (1988) and an M.Ed. in Educational Leadership and Supervision from Lincoln Memorial University (2012). She has 18 years of teaching experience in both public and Catholic schools, working with students in self-contained special education classrooms, resource rooms, and the regular classroom. Additionally, Mrs. Kosky served as Assistant Principal for seven years at St. John Neumann Catholic School in Knoxville, TN. She earned a certificate in Catholic School Leadership from Loyola Marymount University (2016). Mrs. Kosky has five adult children, including twins, who all graduated from Knoxville Catholic High School. She and her husband are active parishioners of the Cathedral of the Most Sacred Heart of Jesus. She is committed to the role of Principal of Sacred Heart Cathedral School in answer to God’s call to serve. She loves to travel, spend time with family, and read.

Emily Widmer, Assistant Principal

Emily is a Knoxville native and a graduate of Sacred Heart Cathedral School and Knoxville Catholic High School. She has a B.A. from Maryville College and obtained her M.S. from the University of Tennessee in Educational Administration. Emily has worked as a middle and high school history teacher for Knox County Schools and won Teacher of the Year honors in 2019. In those roles, she taught hundreds of students, collaborated with countless colleagues, and used every day as a new learning experience. Emily enjoys spending time with her family, traveling, and doing anything active or outdoors in her free time. She is excited to begin her new role as Assistant Principal.

Valerie Hanks, Academic Dean

Mrs. Valerie Hanks serves the Sacred Heart Cathedral School community as our Academic Dean. With 23 years in education, the last 11 at Sacred Heart, and the desire to provide all students with an excellent education, while collaborating with families and colleagues, she is confident that our school will continue to grow and develop in not only our academics but also our charism, mission, and vision. Mrs. Hanks has a Master’s degree in Education and her Catholic School Administration and Leadership certification from Loyola Marymount University. Valerie and her husband Wayne have one daughter, Sophia, who is a graduate of SHCS and a 100 lb rescue dog who thinks she is a lap puppy. Mrs. Hanks looks forward to the new school year and the amazing things our Eagles will accomplish.

Libby Orr, Director of Development and Admissions

Libby is from Knoxville, TN and long-time member of Sacred Heart Cathedral. She is a 1997 graduate of Sacred Heart Cathedral School, a 2001 graduate of Knoxville Catholic High School, and a 2005 graduate of The University of Tennessee where she majored in Public Relations. Libby and her husband Wade have three children, Taylor, Blair, Sara Lib, and one very wild lab.

Mary Mac Wilson, Director of Parish Operations

Mary Mac directs the efforts of the Cathedral Campaign, manages parish strategic initiatives, supervises parish office staff, manages meetings and events, and assists the pastor with correspondence, appointments and travel.