Haeun Joo is a jazz pianist from Busan, Korea. She was trained classically since she was 5 years old. She studied classical composition at Busan Art High School and went to Howon University in Korea to study jazz piano.
She moved to the U.S in 2011 to go to Berklee College of Music and studied with Danilo Pereze, George Garzone, Joan Bracken,Neil Olmstead, Vadim Neselovskyi,Hal Crook. After she graduated, she moved to New York to go to SUNY Purchase and studied with John Abercrombie, David Hazeltine, Jon Faddis, Todd Coolman, Doug Weiss, Ralph Lalama. She played at Blue Note and Dizzy's Coca Cola as a pianist of Purchase big band during the school years. In 2017, she got a degree for M.M. from Purchase.