Clergy & Staff

Rector, The Rev. Mark Kozielec

The Rev. Mark Kozielec was invited to become Rector at St. Mark’s, St. Louis, in July 2012. He previously served as Assistant Priest at St. Andrews, Yardley, PA; and Priest-in-Charge at Trinity Church, Tilton, NH.


A native of New Jersey, he attended Rutgers University and enjoyed a 15-year career at Johnson and Johnson, Inc. in various accounting and customer service/marketing positions. Mark began his formal journey to ordained ministry in the Episcopal Diocese of New Hampshire in 1999. He graduated from the University of New Hampshire in 2002 (BA, History, summa cum laude) and began his studies in Pastoral Theology at the Episcopal Divinity School, Cambridge, MA, where he earned an M.Div. in 2005 (along with prizes in Homiletics and History). He was ordained to the priesthood in December 2005 by the Rt. Rev. V. Gene Robinson.


Over the years, Mark has served on a variety of committees and boards, both secular and church related, and has worked on various efforts dealing with issues of homelessness/poverty, racism, and human sexuality.


Mark and his husband, Charles J. Doyle, III (Chuck) celebrated their silver anniversary in 2012. They share a commitment to social justice and have been especially involved in Anti-Racism and LGBT advocacy together. They also share a passion for travel (especially via rail) and for discovering all that St. Louis has to offer. They reside in the rectory on St. Mark’s campus with Jasper, a dachshund and Bertie, a parakeet.


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Deacon, The Rev. Jerre Birdsong

The Rev. Jerre Birdsong has served as deacon at St. Mark’s since his ordination by Bishop George Wayne Smith in November 2014.  He previously served as candidate for the diaconate at Trinity Church in the Central West End and postulant at Emmanuel Church in Webster Groves.  Jerre graduated from the Episcopal School for Ministry in 2004.  Following his retirement from Ameren Corp., he received a graduate certificate in Non-profit Management and Leadership from UMSL after an internship at BJC Hospice.


Jerre’s ministry focus is hospice chaplaincy, and he currently is a hospice volunteer at Lutheran Senior Services.  Jerre spent many years on non-profit boards addressing low-income housing, children’s advocacy, hunger ministry, and the YMCA of Greater St. Louis.


Jerre continues to be inspired for outreach ministry by his wife Gayle who died in 2010.  He has two daughters (one in Webster Groves, one in Patagonia, Chile) and two grandchildren who call him by the coolest grandpa name ever – Big Dude.

Priest Associate, The Rev. Teresa K. M. Danieley


The Rev. Dr. Teresa Danieley, a priest for over 17 years, is pleased to serve as Priest Associate at St. Mark's, having worshiped at St. Mark's for several years with her husband, Jonathan, and their three young children. Teresa+ serves as the St. Louis Champions Organizer at Missouri Jobs with Justice and previously served as Rector of St. John's, Tower Grove for 12 years. Teresa+ has a BA from Yale University, an MPP from the University of Chicago, an MDiv from the General Theological Seminary and a DMin from Eden Theological Seminary. She is a Board member of Sanctuary in the Ordinary (affordable housing redevelopment) and volunteers with the Mann Elementary School PTO, Metro Trans Umbrella Group Pantry Deliveries, Faith Aloud and the Yale Club of St. Louis. Teresa enjoys traveling with her family and learning about French language and culture at the Alliance Francaise de St. Louis.

Organist & Choir Director, Dr. Barbara Raedeke


Dr. Raedeke is a faculty member at Washington University and holds a Bachelor of Music degree in church music from Valparaiso University, and a Master of Music and a Doctor of Musical Arts from the Eastman School of Music. She performs widely and has served churches in St. Louis, New York, and Connecticut. A member of St. Mark’s, she served on the committee that oversaw the selection and installation of the church’s Juget-Sinclair organ.

Youth Christian Formation, Celeste Kocot

Celeste has cared for the children at St. Mark’s for over 40 years. She began as a nursery care worker, then was asked to teach the Sunday school program “Living the Good News”. In 1996, the “Godly Play” curriculum was introduced, and continues for children three through seven years old. Celeste made all of the “Godly Play” materials, including over 100 wooden figures and other story pieces. Every year, she presents a new theme for the summer classes.


She also works with the children in the community garden, the Garden of Eatin’, located on the church property. The garden provides a great outdoor classroom for presenting many Bible lessons. In addition to enjoying the work of youth Christian formation, Celeste is happy to be teaching some of the children of parents who attended her class when they were children.


Celeste’s weekday job is working for Life Uniform / Scrubs and Beyond as the Advertising Coordinator. She enjoys photography and working on her classic car.

Parish Administrator, Melissa Engle

Melissa was born and raised in south St. Louis.  A devoted St. Louis Cardinal's fan, Melissa also enjoys spending her free time with her two daughters. She received a B.A. in Psychology from UMSL. Melissa became the parish administrator in December of 2020.  She has previous experience as an administrative assistant as well as customer service.  

Organist & Choirmaster Emeritus, Robert Mullgardt

Organist & Choirmaster of St. Mark’s Episcopal Church 1963-1976 and 1999-June 4, 2017. Upon his retirement the designation of Organist and Choirmaster Emeritus was conferred upon Bob by the vestry.




St. Mark's Episcopal Church