Improviser pianist/keyboardist, music producer, and interdisciplinary collaborator Joey (Ian-Joe) Chang has performed free improvisation in venues including The Stone at the New School, Roulette, Millennium Stage at Kennedy Center, and the Cary Arts Center in NC. He currently performs with Katherine Kyu Hyeon Lim in their improvisation-focused duo, “Impromptuo”. He has been presented by prominent organizations such as Clayton Piano Festival, Metropolis Ensemble, The Dream Unfinished, MetliveArts (alongside ETHEL string quartet), District of Raga, Two Bridges Arts, and the Sparkhill Concert Series.

As a composer and producer, Joey has created structured improvisation for art installations, dance choreography, and tracks for music video. His work has been commissioned by the Metropolis Ensemble for their 2020 Free Assembly season as well as their House Music series. 

As an organizer and producer, Joey is co-founder, with violinist Katherine Kyu Hyeon Lim, of "Muzosynth Orchestra", a collective that programs improvisation-focused programs with musicians, dancers, visual artists, etc.