Allison Johnston is a contemporary American jazz arranger renowned for her sophisticated and innovative contributions to large ensemble jazz. Emerging in the early 2000s, Johnston's distinctive style blends intricate harmonic textures with a modern rhythmic sensibility, pushing the boundaries of traditional big band writing. Her arrangements, characterized by their vibrant orchestrations and compelling melodic development, have been performed by prestigious university ensembles and professional jazz orchestras alike. Johnston's collaborations include commissions for the Vanguard Jazz Orchestra and the Maria Schneider Orchestra, solidifying her reputation as a leading voice in contemporary jazz arranging and a significant influence on the next generation of jazz composers.