Kierstyn St. John is a pianist, multi-instrumentalist, and composer who possesses a repertoire of more than 1,000 memorized songs in every genre from classical to jazz to contemporary/pop. She has played piano for twenty one years, and has been extensively classically and jazz trained, studying everything from Rachmaninoff to Bill Evans to Billy Joel and all that's in between!

Kierstyn has played hundreds of events including weddings, memorials, official ASU events, private parties, large festivals, and church fairs; she was also the accompanist for all three choirs at her high school. She was the principal pianist for Northminster Presbyterian Church for four years, the worship director at Roosevelt Community Church, piano teacher in residence at Sunshine Acres Children's home, and the pianist in the ASU Latin Jazz Combo. She now gigs professionally all over the state in Eagles and McCartney tribute bands.

Kierstyn graduated summa cum laude with Bachelor's of Music in Composition at Arizona State University. She has studied with James DeMars, Jody Rockmaker, Rodney Rogers, and Kotoka Suzuki. Since attending college, she has been commissioned by Ironwood and Imagine Prep high schools, The ASU Barrett Choir, The Phoenix Art Museum, Brelby Theatre, and The ASU Art Museum. In 2014, she won the Four Seasons Women's Composers Competition, and her string quintet "The Monarch" was performed in September by their professional orchestra and her score for the play “Poseidon's Regret” received a nomination for a 2016 ariZoni Award.

Kierstyn has also taught over 150 students to play piano, guitar, drums, and more over the past eight years. She keeps the students engaged by teaching them the songs and pieces they've always wanted to learn! She can teach classical music as well as popular music and often mixes the two to give the student a well-rounded music education that also is incredibly fun and engaging!