Giulio Minoletti graduated in 1931 and began his career with a dual role: that of an architect and urban accompanied by the teacher at the Polytechnic between the 30s and 40s. Already in 1934 he won the victory in the competition of the plan of Busto Arsizio, followed by a second award to Gallarate; numerous competitions in which it participates along with prominent personalities of Milanese rationalism and signature “Milano Green” – poster rationalist urbanism Milan in 1938 with, among others, Mario Pagano, Franco Albini, Ignazio Gardella, Giangiacomo Predaval, John Romano Giancarlo Palanti; in the same years designs and builds important buildings among which the house in Piazzale Istria (1936), the Cologne Climate in Formia (1937), the House of Beam in Gallarate (1942) and the house for the weekend in Varenna – Fiumelatte (1945 ).
Architect working on the debate on the architecture of those years, he has been President from 1953 to 1955 MSA (Movement of Studies for Architecture), INU member since 1930 and involved in the planning and building committees of the City of Milan. Between the 50s and 60s made other important buildings such as the pool Ettore Tagliabue at Monza (1951), the Cedar House in Milan (1953-1958), the Mensa to Pirelli Bicocca (1956 demolished), the home villas in overlapping in Arcadia Gardens in 1959 his Milan residence), the Palace of Fire in Piazzale Loreto (1964) and together with Eugenio Gentili Tedeschi and Mario Tevarotto concludes work at the Porta Garibaldi station (1963); his signature several hotel buildings among which the famous Grand Hotel Timeo made in the 70s.Among the architectural curiosities on the theme of hospitality is to be considered the project to the hut Minolina, small prefabricated removable still present at a campsite in Scario. To remember the important collaboration with the Breda (numerous exhibitions for Montecatini and Breda), for which he designed the interiors of the electric-train Settebello (1953) and those for the four-BZ 308 (1948) and the task for the preparation the cabins of some transatlantic including the Andrea Doria (1952) and the Cristoforo Colombo (1954).