Anna Marie Ahn Petersen joined The Philadelphia Orchestra in 1992, upon her graduation from the Curtis Institute of Music, where she was a student of Joseph dePasquale, then principal viola of The Philadelphia Orchestra.
Ms. Petersen made her solo recital debut in Seoul, Korea, in 1988, which was sponsored by Jeunesses Musicales. She has performed as soloist with the Seoul Philharmonic and the Orquestra Filarmónica de Bogotá, and she has served as principal viola of the Brandenburg Ensemble and the Jupiter Symphony.
Ms. Ahn enjoys reading, cooking, mountain biking, and golf in her free time. She and her husband, Bill, have a son, Matthew.