J. Boerst is a contemporary American jazz arranger renowned for their sophisticated contributions to big band and orchestral jazz. Emerging in the early 21st century, Boerst's style blends traditional harmonic richness with modern rhythmic sensibilities, creating dynamic and engaging charts. Their work has been featured by prominent university jazz ensembles and regional professional orchestras, often showcasing intricate counterpoint and innovative voicings. Boerst is particularly recognized for their reimagining of classic standards and their original compositions, which frequently explore extended forms and diverse textural palettes. Their meticulous craftsmanship has significantly enriched the repertoire available to contemporary jazz bands.