William Grant

Biography

William Grant enters his first season as an assistant coach and Director of Recruiting for the USC men’s water polo program, joining head coach Marko Pintaric's staff in January of 2026. Grant comes to USC with extensive experience at the collegiate, club, and national team levels. He previously spent four seasons as the assistant coach at Santa Clara University, contributing to the program's improved success and continued momentum in roster development during his tenure. In addition to his collegiate experience, Grant served as the High School Director for the Stanford Water Polo Club from 2021 to 2025. In this role, he oversaw training and competition for multiple age groups while maintaining a consistent developmental and cultural standard. Grant has also been involved with USA Water Polo throughout his career, most recently serving as a Pacific Zone Head Coach within the Olympic Development Program working with top athletes throughout the regional and national evaluation process. A graduate of Santa Clara University, Grant earned his bachelor’s degree in biology in 2016 and later completed a master’s degree in marine biology at San Francisco State University in 2021. He brings a strong commitment to player development and high-performance culture as he joins the Trojan men's water polo program.