Motorcycle racer who is a former Grand Prix motorcycle road racer. He came fourth at the 250cc World Championship in 2001. He has over 110,000 followers on his fonsinieto10 Instagram account.
He won the Spanish 125cc championship in 1997 and 1998, and the Spanish 250cc champion in 1999 and 2000.
He has worked as a DJ since retirement from racing.
He is the nephew of Grand Prix motorcycle road racer Angel Nieto.
He once finished second to Marco Melandri in the 250cc World Championship.