Thomas Jamerson is an American baritone who had an active international career as an opera and concert performer from the 1960s through the 1990s. He first drew distinction in the field of opera in 1968 when he recorded the role of Baron Douphol in Giuseppe Verdi's La traviata for RCA with conductor Georges Prêtre, the RCA Italiana Orchestra, and Montserrat Caballé as Violetta and Carlo Bergonzi as Alfredo. In 1969 he portrayed roles in the United States premieres of two operas at the Santa Fe Opera: Der Auserwählte (The Chosen One) in Arnold Schoenberg's Die Jakobsleiter and Captain of the Royal Guard in Hans Werner Henze's The Bassarids. He was a principal artist with the New York City Opera from 1969 to 1984. In 1971 he notably created the role of Professor Bolental in the world premiere of Gian Carlo Menotti's The Most Important Man. He currently teaches voice on the faculty at the Music Conservatory of Westchester in White Plains, New York.