He was a pupil of Giuseppe Bezzuoli and Tommaso Gazzarini at the Academy of Florence.
He initially completed paintings of sacred subjects, including a Madonna and Child and a Blessed Simone Carmelitano in 1849.
At Milan, in 1872, exhibited Vase of Flowers with symbols of Florence and Portrait of the signora Marianna Grassi.
In 1884 at Turin, he displayed St Louis praying in his Chapel, Portrait of a Man, Portrait of a Woman and a bronzed terracotta statuette, depicting Amore preso nella rete.
[4] Pierotti's marble statue of American Indian Attacked by a Boa Constrictor is found in the Irving Zucker Sculpture Garden of the Art Gallery of Hamilton, Canada.