Education
Portera studied at Conservatorio Luigi Cherubini in Florence, following the composition course with Salvatore Sciarrino at the same time. He studied at School of music in Fiesole (Florence) with Kamran Khacheh and perfectioned himself with Giacomo Manoni.
Career
He got acknowledgements from some notable composers: Luciano Berio, Ivan Fedele, Fabio Vacchi, Alessandro Solbiati, Marcello Abbado, Sylvano Bussotti, Luis de Pablo, Akira Nishimura, Wolfgang Rihm, Azio Corghi and others He taught at faculty of Architecture of University of Genoa about Music Projects. He is supervisor of musical scores and coordinator of music graphic for the magazine "Chitarre e Percussioni".
He authored books with Le Monnier and Mondadori.
He presently teaches music analysis, complementary harmony, and musical video composition at the School of Music of Fiesole. He has worked also in the theatre with different authors, actors, choreographers, like Stefano Massini, Sandro Lombardo, Michele Placido, Ottavia Piccolo, Milena Vukotic and Keith Ferrone.