Jason Detwiler (born 1975), is an American baritone opera singer. With over fifty roles to his credit, Detwiler has become well known for his magnetic and energizing stage performances. Favoring Mozart, bel canto and French roles, his voice and acting have been described as "richly expressive", "emotionally engaging", with a "commanding stage presence". He possesses a diverse repertoire ranging from the comedic Papageno (Die Zauberflöte) and Guglielmo (Cosi fan tutte) to the dramatic Germont (La traviata) and Escamillo (Carmen). Among his most widely acclaimed roles are the title roles of Il barbiere di Siviglia and Eugene Onegin, as well as Malatesta (Don Pasquale), Zurga (Les pêcheurs de perles), and John Proctor (The Crucible). His concert credits include: Bach's St. John's Passion, Hay