
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 and 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.