Dr. Julie Barrier, along with her husband Roger, teaches national and international Bible conferences. She has served as a minister of worship, orchestra conductor, and arranger at Casas Church in Tucson, Arizona. For many years, she also taught Biblical Foundations of Worship, Conducting, and Arranging as an adjunct Professor at the Dixon School of Church Music at Golden Gate Baptist Theological Seminary.
Dr. Barrier has also performed as a concert artist and conductor, and she has composed or authored over fifty published works: choral pieces, orchestral works, musical theater scripts, books, and journal articles.