Ballantine received his Master’s of Music in Voice Performance from The Boston Conservatory in 2015 and a Bachelor’s of Music in Voice Performance from Northern Arizona University in 2013. Previous credits at NAU include the title role in Gianni Schicchi and Guglielmo in Mozart's Così fan tutte. He was most recently seen as the Mercutio Gounod's Roméo et Juliette with Opera51 in Concord, MA.
Other recent credits in Boston include, John Brooke in Mark Adamo's Little Women with MetroWest Opera, Schaunard in Puccini's La bohème with NEMPAC Opera, Oreste in Gluck's Iphigénie en Tauride, Taddeo in Rossini's L'italiana in Algeri and Junius in Britten's The Rape of Lucretia with The Boston Conservatory and Sid in Britten's Albert Herring with Boston Opera Collaborative.
Ballantine placed first in the National Association of Teachers of Singing (NATS) Vocal Competition four years consecutively and was a finalist in the Classical Singer Competition.