Eunsung most recently earned his Professional Studies Certificate at Manhattan School of Music, and studies with Joo Won Kang and Shirley Close. He received 2021 Encouragement Awards in both the Metropolitan Opera Laffont Competition (New York District) and The Gerda Lissner Lieder/Song Competition. He teaches voice at the Korean School of New York and at Long Island Music Conservatory. Roles performed include Giorgio Germont in La Traviata, Guglielmo in Così fan tutte, covered Plumkett in Martha, Zurga in Les Pêcheurs de Perles, and Simon Fenton in Emmeline with Manhattan School of Music Opera Theater. Eunsung has also performed as Colline in La bohème with Opera New York.