Juan Calero Alonso serves as Assistant Coach for Harvard University's Men's Tennis program in Cambridge, Massachusetts.
During the 2023-24 season, Alonso was elevated to a full-time assistant coach. He played a crucial role in the teams success, helping lead the Crimson to a 22-7 record, a second consecutive trip to the NCAA Sweet 16, and its third straight Ivy title. He was instrumental in leading All-Ivy and All-American level talent throughout the season.
