Born in Los Angeles, Joann Oh earned degrees in German studies, Pre-med, & Music at Pomona College and Wesleyan University. She is the winner of the Elizabeth Tishler prize in piano and a grant recipient of the Yale-Griffith Scholarship to study music and language in Vienna and Munich, where in Vienna, she studied piano with Rosario Marciano. Currently, Ms. Oh is studying piano from Michael Berkovsky. She has also previously studied piano with Steven Vanhauwaert & Ning An.

On January 2023, Ms. Oh participated in a Masterclass with Leif ove Andsnes in La Jolla, CA. In January 2019, Ms. Oh performed the Grieg Piano Concerto with the West Valley Orchestra in San Jose, California. During the summer of 2018, Ms. Oh participated in the 3rd International Hans von Buelow Piano Competition in Meiningen, Germany, Moments of Music Piano Competition in Los Angeles, CA, and also Piano Texas Festival in Fort Worth, Texas. In summer of 2017, Ms. Oh participated in a Music Festival in Basel, Switzerland, and also performed in Piano Texas Festival in Fort Worth, Texas. In June 2016, Ms. Oh was chosen to perform in the Cliburn International Amateur competition in Fort Worth, Texas. Moreover, during the summers of 2015-2024, Ms. Oh performed in recitals and masterclasses at Piano Texas, held in Fort Worth, Texas. Previously in 2015, Ms. Oh performed with an orchestra in San Jose, California with West Valley Orchestra. In addition to these honors, Ms. Oh was bestowed a scholarship from the Korean-American Foundation for Academic excellence. Ms. Oh currently resides in Orange County, California. In addition to music, Ms. Oh has been managing Tower Dental for 12 years, and is also a nationally ranked synchronized swimmer.