Lynn Clark Callister is a professor of nursing at Brigham Young University. Sister Callister graduated from Brigham Young High School in 1960. Following this, she attended BYU, and received her BS in nursing in 1964. She received her MN of nursing at Wichita State University in 1988. She then earned her PhD from the University of Utah in 1993. Lynn is married to Reed Richards Callister and together they have raised eleven children.