With over sixty-five roles to his credit, baritone Jason Detwiler has become well-known for his magnetic and energizing stage performances. His voice and acting have been described as "emotionally fervid", "richly expressive" and "commanding", embodying characters ranging from the comedic Gianni Schicchi to the dramatic Renato  (Un ballo in maschera).

Among his most widely acclaimed roles are Eugene Onegin, Il conte di Luna  (Il trovatore), Zurga (Les pêcheurs de perles), and Nick Carraway (The Great Gatsby).

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This last season included returns to Opera Modesto as

Dr. Watson (Meier's The Case of the Fallen Giant), Opera Idaho to debut Romeo et Juliette's Mercutio, reprise Gianni Schicchi, and his house debut with Painted Sky Opera performing Der fliegende Holländer. This coming season includes a return to Opera Modesto as Ford in Falstaff and a house debut with Tulsa Opera as Escamillo in La tragédie de Carmen.

The baritone has performed nationally with San Diego Opera, Virginia Opera, New York City Opera, Wichita Grand Opera, Opera Santa Barbara, Opera Parallèle, Center for Contemporary Opera, Syracuse Opera, Opera Mississippi, Sacramento Opera,  Opera San Jose, Shreveport Opera, Festival Opera of Walnut Creek, West Bay Opera, Opera Idaho, Inland Northwest Opera, MidAmerica Productions at Carnegie Hall, Vallejo Symphony Orchestra, the American Philharmonic Sonoma County, the Idaho State-Civic Symphony, the Boise Philharmonic & Master Chorale, Boise Baroque, Tree City Chamber Players, Idaho Concerts in Care, in France with the Opéra Théâtre d'Avignon, and Italy at Teatro comunale di Manini through the Narnia Festival. 

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His concert credits include: Bach's St. John Passion, Cantatas 82 & 140, Haydn's Creation, Mozart's and Faure's Requiem, Handel's Messiah, Beethoven's Ninth Symphony, Dvorak's Te Deum, Schubert's Mass in G-minor, Saint-Säens' Christmas Oratorio, Mollicone's Beatitude Mass, staged versions of Schubert's Die Winterreise, Ahab (Bernard Herrmann's Moby Dick) and Jim Cockey's premier of Shalom: a Holocaust Memorial.

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Mr. Detwiler has continued to expand his repertory with the musical leads in Carousel, The King & I, Oklahoma!, and South Pacific.

Currently, he resides in Boise, Idaho with his wife, 

mezzo-soprano Michele Detwiler, is managed by Randsman Artists' Management, and studies with New York City's Andrea DelGiudice.

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