Office of the Vicars General

Rev. David A. Boettner, Vicar General/Moderator of the Curia

20150512 Fr David Boettner_AR_3772-EditFather David Boettner was appointed Vicar General of the Diocese of Knoxville by Bishop Stika in 2011.

In addition to his duties as vicar general,  Father David serves as Moderator of the Curia for the diocese, a position he was appointed to in 2008.

He is also rector and pastor of the Cathedral of the Sacred Heart of Jesus in Knoxville.

Father David was one of three original seminarians from the Diocese of Knoxville.  He received his holy orders in 1994,  and since his ordination he has served as a priest, associate pastor, and pastor at various parishes in the diocese.

Father David was appointed pastor of St. Mary Catholic Church in Athens in 2000.

In 2002,  Father David was appointed pastor of St. Thomas the Apostle in Lenoir City and while there he oversaw the rapid growth of the parish and initiated campaigns to build a new church and a parish family life center.

In 2010,  Father David was named pastor and rector at Sacred Heart in Knoxville and he is currently leading a parish campaign to build a new cathedral.  Construction started in April 2015.

Father David is an East Tennessee native.  He holds a Bachelor of Arts degree from St. Meinrad Seminary and School of Theology in Indiana and a Master of Divinity degree from St. Mary of the Lake University and Mundelein Seminary near Chicago.

Father David can be reached at


Rev. Monsignor Xavier F. Mankel, Vicar General


20150512 Msgr Xavier Mankel_AR_3793-EditMonsignor Xavier Mankel was born Nov. 8, 1935, in Knoxville. He was ordained a priest May 27, 1961, at the Cathedral of the Incarnation in Nashville by Bishop William Adrian. He served as an associate pastor of St. John in Memphis, Our Lady of Fatima in Alcoa, Holy Ghost in Knoxville, and Immaculate Conception in Knoxville. He was administrator at John XXIII and has served as pastor of Sacred Heart in Lawrenceburg, St. John Neumann in Farragut, and Sacred Heart Cathedral in Knoxville.

Monsignor Mankel was principal of Knoxville Catholic High School from 1967 to 1979 and has been vicar general of the Diocese of Knoxville from its founding, under bishops Anthony J. O’Connell, Joseph E. Kurtz, and Richard F. Stika.

He also served as diocesan chancellor until the appointment of Father Vann Johnston (now bishop of Kansas City-St. Joseph, Mo.) to that post in 1996. Monsignor Mankel was superintendent of Catholic schools in the diocese from 1989 to 1992.

On Oct. 26, 2006, Bishop Joseph Kurtz (now archbishop of Louisville) announced that Pope Benedict XVI had blessed the Diocese of Knoxville by honoring Father Mankel. Prelates of Honor to His Holiness are entitled to use the honorary ecclesiastical title Reverend Monsignor.

Monsignor Mankel can be reached at


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