After WWI, the city became part of the north eastern region of Trentino–Alto Adige in Italy.
In 1921, he began studies at the Politecnico di Milano, taking courses off and on, and received his architecture degree in 1927.
[2] In 1926 Pollini joined Gruppo 7 (Sebastiano Larco, Guido Frette, Carlo Enrico Rava, Luigi Figini, Giuseppe Terragni, Ubaldo Castagnoli), and from 1929 he worked in collaboration with Luigi Figini.
[2] Figini & Pollini had a long association with the Olivetti company from 1934 through 1957, designing many of their headquarters buildings at Ivrea.
[3] In 1927, Pollini was invited by the architect Alberto Sartoris to travel to Stuttgart with Gruppo 7 members Rava and Libera to work on clarifying a new language for modernist architecture.