Born in Pavia, Amborgio Maestri studied Piano and Voice under Umberto Grilli. His international career began in 2001 when he debuted Falstaff at La Scala, Milan and Teatro Verdi, Busseto under Riccardo Muti and directed by Giorgio Strehler.
At Teatro alla Scala, his engagements include the title roles of Don Pasquale and Gianni Schicchi, Jago in Otello, Dulcamara in L'elisir d'amore, Renato in Un ballo in maschera, Don Carlo di Vargas in La forza del destino, and Giorgio Germont in La traviata. He also performed at the Metropolitan Opera, Paris Opera, Vienna State Opera, Bavarian State Opera and Deutsche Oper Berlin. His roles include Count of Luna in Il trovatore, Amonasro in Aida, the title roles of Simon Boccanegra, Rigoletto, Nabucco, Don Pasquale, Tonio and Alfio in Cavalleria Rusticana and Pagliacci, Gérard in Andrea Chénier, Dulcamara in L'elisir d'amore and Mamma Agata in Viva La Mamma.
Ambrogio’s 2023/24 season engagements include Don Pasquale and Il trittico at Vienna State Opera, Tosca in Tokyo and Nagoya, Adriana Lecouvreur at Paris Opera and Gran Teatre del Liceu, L’elisir d’amore at Bavarian State Opera and again Don Pasquale in Milan. He debuted at the Gran Teatre del Liceu with Aida in the 2007/08 season, and returned with Falstaff (2010/11), L’elisir d’amore (2012/13), Tosca (2013/14), Nabucco (2015/16), Il tabarro and Gianni Schicchi (2022/23).