Diller is an eighth grade teacher and high school dive coach in Alexandria, is a father of two, and grew up in Northern Virginia. He was a four year varsity diver at T.C. Williams HS (now named Alexandria City HS) in Alexandria, before diving at Texan Christian University in Texas. Diller has been coaching since his senior year of High School and loves to teach kids fundamentals of safe diving in order to build new skills, confidence and a love of the sport. 

Assistant dive coaches are Mary Callahan and Nicole Perkins.