Mason O'Brien Headshot

Bio

Mason Fontanilla O’Brien is a baritone from Memphis, Tennessee, and is thrilled to join Opera Colorado’s Artist in Residence program for the 2025-26 Season. This year, he will appear on the Ellie Caulkins mainstage in La traviata (Barone Douphol) and Madama Butterfly (Prince Yamadori), and will perform in the touring productions of Romeo & Juliet (Mercutio) and The Pirates of Penzance (Major General). Mason holds a master’s degree from the University of Denver’s Lamont School of Music and a bachelor’s degree from the University of Kentucky. Favorite past performances include Don Giovanni (Leporello) at Prague Summer Nights, A Midsummer Night’s Dream (Bottom) and Gianni Schicchi (Gianni Schicchi) at Lamont Opera, and Madama Butterfly (Imperial Commissioner) with the Colorado Springs Philharmonic.