Sister of Arnold, she joined the family nusiness in 1964 and became its artistic director in 1973. At the beginning of her career Rosanna researched new processing techniques to obtain modern and innovative murrine, different from the traditional ones; in a second moment it completely abandons the use of murrina, preferring light, essential designs, created above all with the use of crystal, white and black. Rosanna works a lot for the realization of interior lighting lines: chandeliers, lamps, ceiling lights, wall lamps. Even in lighting, Rosanna maintains her characteristic features: essential colors, use of chiaroscuro, alternations between transparency and opacity