​​​​Chinese tenor Zhengyi Bai’s operatic roles include Madwoman in Curlew River  at Opéra National de Lorraine and Opéra de Rennes, Le Prince Charmant in Cendrillon at Opera Orlando, Monostatos in Die Zauberflöte  at Los Angeles Opera, Opera San Antonio, San Francisco Opera and Metropolitan Opera, Prince Nilsky in The Gambler at Salzburg Festival, Fourth Jew in Salome at Lyric Opera of Chicago, Pang in Turandot at Lyric Opera of Kansas City, Goro in Madama Butterfly  at Virginia Opera, the Florentine Opera and Kentucky Opera, Collin in The Anonymous Lover at Boston Lyric Opera, Der Bucklige in Die Frau ohne Schatten at San Francisco Opera, Dr. Caius in Falstaff and Basilio in Le Nozze di Figaro at Opera San José, Fong See in On Gold Mountain at Los Angeles Opera, the First Prisoner in Fidelio, Dancing Master and Lamplighter in Manon Lescaut and Remendado in Carmen at San Francisco Opera.

Born and raised in Shandong province of China, Bai began his studies as a piano performance student and a collaborative pianist. It was in his junior year in college he discovered his true instrument: his voice. With a solid musical foundation of piano study, Bai flourished in his vocal studies, completing his initial vocal training in Shandong, China, and continuing his opera training in the United States. Bai was a participant of the Adler Fellowship and Merola Opera Program at San Francisco Opera.