[1] In 1937 he was posted to the Italian embassy in London, where he worked for the ambassadors Dino Grandi and Giuseppe Bastianini.
Diari 1937-1943, cover these years when he was able to observe at close hand the collapse of Italy’s diplomatic relations with London, its subsequent entry into World War II as an ally of Nazi Germany, and the fall of Mussolini in 1943.
In November 1944 he was appointed to a delegation seeking economic assistance from the United States for the post-war reconstruction of Italy.
In this period he played an instrumental role in the successful signing of the Ussr-Fiat deal that marked the beginning of private mass motorization in the leading socialist State.
He was buried in Casale Monferrato where, on 16 March 2007,[4] the public gardens of the Piazza Martiri della Libertà near the house where he was born were officially dedicated to him.