Thomas Lüthi
Cortese made his 125cc World Championship debut with Kiefer-Bos-Castrol Honda in 2005, finishing the season in 26th place with 8 points. His best finish was 14th place in Germany, the Czech Republic, and Turkey. In 2006, he switched to the 125cc Championship-winning team, Elit – Caffè Latte Honda as team mate to 125cc World Champion Thomas Lüthi. He made steady progress scoring some championship points, His best result was in the Portuguese Grand Prix in 10th place, improving his championship standing to 17th place with 23 points.