Zevio Zambello founded the company under the Zambello name in a small courtyard in Castellanza, in the Varese province, with the purpose to manufacture gearboxes and speed variators. Born in 1929 at Lusia (Rovigo) in a farming family of Polesine, Zevio, already in his childhood showed a great interest in mechanics that led him to attend the well-known technical high school of Enzo Bari at Badia Polesine, which he completed with the highest marks.