Prior to his appointment as Temple Square Organist, Peeples was the university organist at California Lutheran University in Thousand Oaks, California, where he taught courses in applied organ, keyboard harmony, and music appreciation courses. He gave monthly faculty recitals in Samuelson Chapel on the Thousand Oaks campus. Peeples also served as the organist at First United Methodist Church in Santa Barbara, where he accompanied the Chancel Choir. He was previously the organist of Speedway Christian Church (Disciples of Christ) in Speedway, Indiana, and accompanied the nationally recognized collegiate choirs of Brigham Young University. He received his master’s degree in organ performance from Brigham Young University (BYU). While at BYU, he studied organ with Don Cook and Douglas Bush, conducting with Rosalind Hall, and carillon with Don Cook. He has completed coursework for a doctorate at Indiana University Jacobs School of Music, where he studied organ with Janette Fishell, Christopher Young, and Bruce Neswick. Peeples is on the faculty for the annual Brigham Young University Organ Workshop and through the years has taught a wide variety of courses in music theory and musicianship at Pepperdine University, Indiana University Jacobs School of Music, and Brigham Young University.