Career
His best World Cup finish was ninth in a 4 x 10 km relay at Switzerland in 2001. Kozu also competed in three Winter Olympics, earning his best finish of 12th in the 4 x 10 km relay at Salt Lake City in 2002. His best finish at the FIS Nordic World Ski Championships was ninth in the 4 x 10 km relay at Val di Fiemme in 2003.