M. Bloom is a contemporary American jazz arranger renowned for their innovative contributions to large ensemble jazz. Active since the early 2000s, Bloom's style blends modern harmonic complexity with a deep respect for the swing tradition, creating vibrant and challenging charts. They are particularly celebrated for their work with the Vanguard Jazz Orchestra and their arrangements for numerous collegiate and professional big bands. Bloom's compositions, such as "Chromatic Canvas" and "Urban Nocturne," are staples in modern jazz repertoire, showcasing their mastery of orchestration and their ability to push the boundaries of the big band sound.