Coach Becky Bevans began coaching JV volleyball at DBHS in 2000. She has also been teaching PE, World History, and Health in the Walnut Valley USD since 2001. From 2002-2012, and 2021-present Bevans has been the head coach (15 varsity seasons) and her varsity teams have qualified for the CIF SS playoffs 13 times. She has had three varsity teams make the CIF Quarterfinal Round in 2010, 2011, and 2023.

Coach Bevans is married and has two sons who play varsity basketball at Diamond Bar High School.