Sierra joined Dominican's volleyball staff in August 2023. Prior to her time at Dominican she coached the SF Tremors volleyball club for three seasons and had three seasons experience as a coach for Club Cruz Volleyball.
A native of Mililani, Hawai'i, Sierra played women's volleyball for UC Santa Cruz from 2015-18 and started all four years as a middle hitter/right side. She was a co-captain on the team and earned two AD3I Second Team selections. In her free time, she enjoys surfing, reading gardening and hiking.