He and his brother rose to national championship levels in teenage categories.

He, his brother, and his mother moved to Turin after World War II, when Perondini was offered a place on the FIAT Torino swimming team and a place of work as a factory labourer.

He trained and competed with FIAT Torino, undertook his working duties, and studied for a degree by night.

[1] As of July 2021[update], he holds Italian records for freestyle and backstroke in various age categories at Masters level.

After competing in the Olympics, he rose through the ranks within Fiat, becoming a director of the company.