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Father Bierbaum treasures vocation he found later in life

12/17/2021 | Comments

(Editor’s Note: Following is the next installment of the Herald’s monthly series profiling a priest or deacon who is serving in our diocese. This issue, we feature Father Gregory Bierbaum, who currently serves as pastor at St. Mark Parish in Highlands Ranch and as Dean of the Northern Deanery.)

Father Gregory Bierbaum grew up in Beresford, South Dakota, where his parents owned and operated a ReXall Drug Store for decades. He has three younger brothers. As an adult, he worked in businesses in Sioux Falls, South Dakota, and Overland Park, Kansas. His father died in 2017 and his mother now lives in Olathe, Kansas.

“My vocation to the priesthood was first felt by me when I was very young,” he said. “But I did not take it seriously or actually pursue it until later in my adult life.”

After being accepted as a diocesan seminarian by Bishop Michael Sheridan, he attended Pope St. John XXIII National Seminary in Weston, Massachusetts, which forms seminarians ages 30 and older.

“That seminary experience was really wonderful and I gained a number of great priest friends from my time there,” Father Bierbaum said. “God is so good and so patient — waiting for some of us to finally, ‘be still and know that I am God,’ so that we can actually hear what he has to say and what he wants.  I’m just extremely grateful for that patience on his part.”

Father Bierbaum was ordained a priest on May 30, 2015. His first assignment was as parochial vicar at St. Mark Parish in Highlands Ranch. He then served as parochial vicar at Pax Christi Parish in Littleton before being named pastor of St. Mark in 2017.

Father Bierbaum also serves as spiritual moderator for the Respect Life Apostolate of the Diocese of Colorado Springs and as Vicar Forane for the Northern Deanery.

In the midst of all of his responsibilities, Father Bierbaum said he does have some hobbies.

“I have a great black lab dog named Clayton who I enjoy taking for walks,” he said.  “I also enjoy cooking, reading, hiking, skiing, traveling and getting together with my brother priests for prayer and social time.”

 “I regularly find it surprising that God has led me to this life as a priest,” he said. “As a late vocation, I spent much of my life doing other things.  But this life is most definitely the ‘pearl of great price!’ I am blessed with a beautiful parish in St. Mark, wonderful parishioners, dear friends — some here, others around the country.” 

(Those who feel that they might be called to a vocation as a priest or permanent deacon can contact Father Kyle Ingels at or Deacon Chris Kennedy at for more information.)

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