Born 1936 in Villach.
After studying goldsmithing in Innsbruck, he studied in Vienna at the University of Applied Arts.
In 1959/60 he spent a year in Paris. From 1960 he lived and worked almost exclusively in Vienna.
In 1975 he became the successor of Fritz Wotruba as professor and director of the Bildhauerschule of the Vienna Academy of Fine Arts. First solo exhibitions in the Gallery next St. Stephan in Vienna 1968, in the Museum of the 20th Century in Vienna 1970 and 1977, in addition numerous participations in the exhibitions at home and abroad (Biennale of Sao Paulo 1971, Venice Biennale 2003 etc.).
One of the most interesting European sculptors of the present.
Gironcoli died after a long illness in 2010 in Vienna, his estate, mainly consisting of oversized aluminum sculptures, is located in a museum in the park of the castle Herberstein in Styria.