Mustafa Mert Koç is a Turkish musician and composer associated with contemporary jazz and experimental music scenes. Active from the 2010s onward, he has worked as a pianist and arranger, performing in ensemble settings and contributing original compositions that blend jazz improvisation with elements of modern chamber music and Turkish melodic and rhythmic influences. His work is characterized by nuanced harmonic language, attention to texture and dynamics, and an exploratory approach that incorporates both ensemble interplay and solo expression. Koç is part of a generation of Turkish artists engaging with international jazz practices while drawing on regional musical traditions.