Sergio Silvio Balanzino (20 June 1934 – 25 February 2018[1]) was an Italian diplomat.[2]
He studied as a Brittingham Foreign Scholar at the University of Wisconsin in Madison 1956–1957. After graduating in Law from the University of Rome La Sapienza he joined the Italian foreign service in 1958.
He served as the Italian ambassador to Canada from May 1990 to January 1994. He then became the Deputy Secretary General of NATO before briefly becoming acting Secretary General twice. Firstly by replacing Manfred Wörner on 13 August 1994 after the latter resigned in the last stages of cancer. On 17 October 1994, he was replaced by Willy Claes, who resigned on 20 October 1995 following the discovery of his political corruption.
Balanzino, who had gone back to being Deputy, again took over the reins until he was replaced on 5 December 1995 by Javier Solana.
He taught in the springtime at the Loyola University Chicago Rome Center.[3]