From Seoul to SoCal courts, SangGyu Park has turned a love of rules into a full-time officiating journey. With a Ph.D., 200+ days a year on the circuit, and a US Open debut, he’s known for precision, passion, and leadership. Up next: White Badge certification! 👏 🔗Learn more about the Claremont-based official on our website (link in bio) #USTAOfficiatingAppreciationWeek #TennisOfficial #USTAOfficial #BehindTheChair#TeamSoCal #SoCalTennis #USTASoCal