Also known as DrDi.

Dianne DeMille, PhD, retired after 50+ years in public school education. Her experience includes teaching every math course in high school, including AP Calculus, as well as grades 6-8 for 3 years in the middle of her career. She retired in 2012 as Mathematics Coordinator for all schools in Orange County, California, at the Orange County Department of Education. 

During those years, she wrote several educational books for the County Office, the California State Department of Education, and California State University. Currently, Dianne works with students preparing to become high school math teachers at California State University, Fullerton. Her most recent book is a powerful tool for mathematics educators: Help Teens Overcome Math Anxiety.

Dianne co-authored "It Started with A Pencil: Memoir, Leslie B. DeMille," about her father and his internationally renowned career as a professional artist. She worked with Larry Ray Hardin, retired DEA Special Agent, and Private Investigators: Jeff Pearce and Randy Torgerson to write In The Furtherance of Justice, also known as Path of the Devil, Camino del Diablo." She has since written other books with Larry Ray Hardin: "Fighting My Greatest Enemy: Myself!, Home is Never the Same, Life is a Journey Between Heaven and Hell, and Between the Devil and the Badge.

The Life of Riley: Living with Duchenne Muscular Dystrophy was co-written with Riley's mother, Nina Stuart Herrera.

For fun, Dianne has recently written puzzle books for her grandchildren, teens, adults, and seniors.