Born in 1937 in Tarquinia, Italy. Lives and works in Rome.
In 1967, he attended the Academy of Salzburg and in 1969 he participated in the International Symposium Lindabrunn in Austria. Between 1964 and 1967, he took part of the Sunflower Group in Rome. From1973, Capotondi worked in Pietrasanta where he made sculptures. He lived in New York between 1984 and 1989, and participated in various collective exhibitions in Italy and abroad. His sculptures are in numerous private and public collections in Austria, Finland, Japan, Italy, Libya, the Netherlands, United States and Switzerland. The most emblematic work is the gigantic PortaRoma in travertine marble (2000), for which he received the Premio Michelangelo of the City of Carrara. Situated in the service area next to the highway A1, it is formed by two travertine shoulders supporting two great arching monoliths of 35 tons each, held together by the thrust force and the force of gravity. It measures seven meters high and fifteen wide.