J. De Meij is a contemporary jazz arranger and composer, likely of European origin, celebrated for their sophisticated contributions to large ensemble jazz. Their work is characterized by a rich harmonic language, intricate counterpoint, and a keen understanding of orchestral color, blending traditional big band aesthetics with modern jazz sensibilities. De Meij has crafted compelling arrangements for numerous professional and collegiate jazz orchestras, often reimagining classic standards and composing original works that challenge and inspire performers. Their precise and imaginative scoring has significantly enriched the repertoire of contemporary jazz ensembles, solidifying their reputation as a masterful voice in modern jazz orchestration.