Italian interior and industrial designer Giancarlo Piretti was born in 1940 in Bologna. He obtained his teaching degree in drawing at the Art Institute of Bologna (dates unknown), and continued his studies at the Academy of Fine Arts in Bologna in 1960. From 1963 until 1970, he taught interior design at the Art Institute of Bologna.
Sometime in the 1960s, Piretti joined Italian design company Castelli as an interior designer, creating home furniture and office furnishings.
Other well-known design include the DCS 106 Stacking Chair (1965); Plona Lounge Chair (1969); Alky Chair (1970s); Plantone Folding Desk (1970); Plano (1971, Gold Medal IBD); Planto Coat Rack (1972); the System 61 modular sofa system (1973); Xylon Chair (1992, two G Mark Awards 1994); and the Torsion Seating Collection (1995-6, G Mark Award 1997).