J. Pleis is a contemporary jazz arranger whose work reflects a deep understanding of the genre's harmonic and rhythmic complexities. With a background rooted in the rich tradition of big band orchestration, Pleis crafts arrangements that balance intricate voicings with a vibrant, swinging feel. Their contribution to the jazz band catalog showcases a distinctive voice, blending classic influences with modern sensibilities, and enriching the repertoire with fresh interpretations.