Joonho Park was born in 1985 in Seoul, South Korea, where he began his musical studies. At the age of 15, he began studying organ at the Prep. School of the Korea National University of Arts in Seoul with Jakyung Oh and finished his Bachelor study in 2007. Afterwards Joonho went on to study with Jon Laukvik and Michel Bouvard at the University of Performing Arts and Music in Stuttgart, Germany, and the Conservatory in Toulouse, France. For two years, he was appointed as an organ professor at the University of Texas at Austin, and currently serves as an adjunct professor at the Hanyang University and at the Korea National University of Arts in Seoul, South Korea.

He is a busy international performer, with solo recital venues including Bachwoche Ansbach, Stiftskirche in Stuttgart, Lorenzkirche in Nürnberg, Marktkirche in Halle/Saale, Konstantin-Basilika in Trier, St. Jakobi Church in Lübeck, Westminster Cathedral, Westminster Abbey, St. John's Smith Square (London), St Albans International Organ Festival, King's College Cambridge, Magdalen College Oxford, Galway Cathedral, Pipeworks Festival Dublin, Kilkenny Arts Festival, Festival Toulouse Les Orgues, Summer Organ Festival in Bordeaux and Quincena Musical de San Sebastián. In his home city of Seoul, he is regularly invited to play at Lotte Concert Hall. He has also played in various concert venues in Japan, including Minatomirai concert hall in Yokohama, Lilia Hall, Opera City, Musashino cultural hall in Tokyo, Art Tower Mito and Parnassos Hall in Himeji.