Sebastiano PochettinoSebastiano Pochettino is a Spanish-Argentine football manager who is currently the fitness coach and sports scientist of the U.S. men's national soccer team.Early lifePochettino attended St. Paul's School in Barcelona, Spain. He is the son of the Argentine football manager Mauricio Pochettino, and the brother of the footballer Maurizio Pochettino.CareerIn 2017, Pochettino was appointed fitness coach and sports scientist of English Premier League side Tottenham, becoming the youngest sports scientist in the Premier League. He was described as "a regular sight in training sessions and on match days, seen putting the players through their paces and among the substitutes as they warmed up... a popular figure among the Tottenham players". He joined Chelsea in 2023 and left on 21 May 2024 with his father. He joined his father to the U.S. men's national team on September 2024.Personal lifePochettino is of Italian-Argentine descent through both parents. He can speak English, French, and Spanish.