"If you can design one thing, you can design anything". New York. Interview by Letizia Airos with Massimo Vignelli. Massimo Vignelli has worked in a wide variety of areas, including interior design, environmental design, package design, graphic design, furniture design, and product design. His clients at Vignelli Associates have included high-profile companies such as IBM, Knoll, Bloomingdale's and American Airlines.