When he moved to the United States he applied this experience working with manufacturers designing office and school furniture at the Herbert L. Farkas Company in New Jersey and at the same time exploring an artistic career with luminous sculptures, using to full advantage the characteristics of materials like Plexiglas.
[1] Evans after reviewing Rossi's professional qualifications, offered him a leading position in his lighting design firm.
At this point, Rossi also began to study and to attend lighting design courses to enhance his qualifications in this new field.
At this time that Rossi while directing, among others, the lighting design project for the São Paulo Hilton in Brazil met and worked closely with Brazilian artist and landscape architect Roberto Burle Marx.
In 1972 Brandston and Rossi decided to open a partnership branch of architectural lighting design in Milan, Italy.