Coach Olivia Diaz is a Centennial High School alumnus, graduating in 2019 after a standout playing career. She continued her volleyball journey at the University of North Carolina Chapel Hill, where she competed for four years, serving as a team captain and earning recognition as a Tar Heel Leader of Distinction.

After college, Olivia began her coaching career with A5, spending two years as an assistant with the nationally competitive 18-1 team before transitioning into her current role as assistant coach for A5's 12-1 program. In 2024, she joined the Alpharetta High School staff as an assistant coach, helping lead the team to an undefeated season and a state championship title. The following year, she stepped into the role of head coach, guiding Alpharetta to a state runner-up finish. Olivia is excited to return to Centennial and give back to the volleyball program!