Rosa was born in 1948 in Villimpenta. He studied in Milan, collaborating as a graphic designer for an Art Review. He has shown in Galleria Verifica 8 + 1 in Venice, the Salon Galleria De Clemente in Brescia, the Salon de Automne and the Grand e Jeunes d’aujord’hui both in Paris, as well as MADI exhibitions. He has also exhibited in Ettingen, Germany, Syracuse, Mantua, Genoa.
He uses wood covered with cloth and his works are often transformable.