Hailed as possessing a “powerful baritone voice” by the Palm Beach Daily News, Sejin Park is a renowned opera singer and recitalist active in both South Korea and the United States. 

In the 2024-2025 season, Park makes his début with Anchorage Opera as Taddeo in L’Italiana in Algeri, brings his celebrated Figaro in Il barbiere di Siviglia to Salt Marsh Opera, and débuts the role of Escamillo with New York’s New Camerata Opera. In the 2023-2024 season, Park returned to Santa Fe Opera, singing Baron Douphol and covering Germont in La traviata, débuted as Schaunard in La bohème with South Korea’s Gwangju Opera Company, sang Ping in Turandot with the St. Petersburg Opera Company, and reprised  Schaunard in La bohème in his debut with Hawaii Opera Theater. Additionally, he returned to New York’s City Lyric Opera for a Valentine's Day solo recital.

Recent seasons have seen Park in prominent roles such as Marcello in La bohème (Mannes Opera Theatre), Belcore in L’elisir d’amore (Dell’Arte Opera Ensemble), Il Conte in Le nozze di Figaro (Mannes Opera Theatre), Figaro in Il barbiere di Siviglia (Opera Steamboat), Germont in La traviata (City Lyric Opera), Yamadori in Madama Butterfly (Palm Beach Opera), Secret Police in The Consul, Ford cover in Falstaff (Angels Vocal Art), Sharpless cover in Madama Butterfly (Palm Beach Opera), and Guglielmo cover in Così fan tutte (Palm Beach Opera). Of his performance as Enrico in Lucia di Lammermoor, the Palm Beach Daily News wrote, “Sejin Park expertly plays the evil brother, Enrico…commanding the stage… a crisp baritone voice with powerful punches in the phrasing.”