Thomas Keesecker grew up in Northern Virginia. He attended the Berklee College of Music and The Catholic University of America. He has been a church musician his entire professional career working in both Lutheran and Catholic settings. 

In 2014, he returned to Saint Margaret Catholic Church in Bel Air, Maryland, a church he had previously served from 1990 to 2005. There he directs several choirs whose members range in age from five years-old to seventy plus.

His church music is published by several publishers. He has been a presenter for regional AGO, ALCM, Hymn Society, and Summer Church Music conferences. 

Tom and his wife, Tricia, are parents of three adult sons. They hope to someday be grandparents!