Ann MacMillan holds a Bachelor of Music Education degree from Emporia State University in Kansas and a Master of Music Education degree from the University of North Texas. MacMillan began repairing musical instruments at Foster Music Company in Garden City, Kansas then joined the UNT College of Music as an adjunct professor of instrument repair in 1997. She teaches beginning and advanced repair courses and workshops. As a drummer, she collaborates with various jazz and pop ensembles.