With major U.S. projects in the works, the high-output, low-profile designer talks Shaker chairs, Porsches and the best food in Milan AT 55, Piero Lissoni has spent nearly three decades heading Lissoni Associati—his 70-member architecture and industrial design practice—while art directing the luxury brands Boffi, Porro and Living Divani. Based in Milan, Mr. Lissoni may [...]