Born in Udine, GIanni received his degree from the University Institute of Architecture in Venice. For two years he collaborated with Promosedia, overseeing the technical sector of the International Chair Exhibition. He also helped organise exhibitions in Europe and the United States. In the beginning of the 1990's he opened his design studio and began designing for various furniture companies from the Friuli Venezia Giulia, Veneto and Trentino-Alto Adige regions, including La Cividina, for which he has designed several collections. He currently works in Tricesimo, also working with private and public building design.