G. Thomas Allen is an award-winning vocalist, educator, author, and Associate Professor of Voice at Berklee College of Music. Recognized for his distinctive countertenor voice, Allen is one of the few artists whose career bridges the worlds of jazz and classical music at the highest levels. In 2025, he appeared at both the BBC Proms at London's Royal Albert Hall and the Monterey Jazz Festival with his quintet reviewed with high praise in the San Francisco Classical Voice.
Allen rose to national attention during the 2014–15 season with his Los Angeles Opera debut as The First Witch in Dido and Aeneas, in a landmark production that featured three African American countertenors onstage—a rarity in opera history. In summer 2026, he will make his Cincinnati Opera debut in the world premiere of Lalovavi: An Afrofuturist Grand Opera, a part of the Black Opera Project, in the role of Ivavi.
In 2021, Allen made history as the first male winner of the Sarah Vaughan International Jazz Vocal Competition, solidifying his global presence as a crossover artist. He has headlined premier jazz venues including Dizzy’s Club (NYC), Minton’s Playhouse (Harlem), SOUTH (Philadelphia), Keystone Korner (Baltimore), and Chicago favorites such as The Jazz Showcase, The Green Mill, Winter’s Jazz Club, and City Winery. Festival appearances include: New Orleans Jazz Festival, Chicago Jazz Festival, White Plains Jazz Festival, Buffalo Jazz Festival, TD Moody Jazz Festival, and Stevens Point Jazz Festival–among others. Emerging from the Chicago jazz scene, he has recorded and collaborated with artists including Marquis Hill, Greg Ward, and Pharez Whitted.
Allen's performances have taken him to some of the world's most distinguished concert venues, including Carnegie Hall, John F. Kennedy Center for the Performing Arts, Lincoln Center for the Performing Arts, Hippodrome Theatre, Strathmore Hall, and the Vatican, where he has performed a wide-ranging repertoire that includes Duke Ellington's Sacred Concerts, Stabat Mater, St. Matthew Passion, Messiah, and Too Hot to Handel, and Leonard Bernstein's Mass, while touring extensively throughout Europe and Australia.
He also appeared on Saturday Night Live (SNL) as a background vocalist with Jacob Collier and Coldplay, extending his influence into mainstream and televised music performance.
He is celebrated in the gospel world with lead vocals on Grammy-nominated albums with Ricky Dillard and New G: Doxology (eOne Records), Let There be Peace on Earth, and Keep Going (Motown Gospel). Having produced his first self-titled jazz album that hit #1 on the iTunes jazz charts, following Love Affair: Serenades of the Heart, and currently working on his 3rd project Dream Shade set to release early-fall..
A sought-after presenter and performer, Allen has contributed to national platforms such as American Choral Director Association (ACDA), GIA Publication Conferences, Jazz Education Network (JEN), and Gospel Music Workshop of America (GMWA).
He holds a B.A. in Speech Communication and Vocal Performance from Morgan State University and a M.M. in Music Theatre Vocal Pedagogy from Carthage College. Allen is the author of The AndroVox Method: A Practical Guide to Mapping Resonance in Contemporary Voice (GIA Publications, Inc.), and CEO/Founder of Allen Studios, LLC based in Chicago.
