Joseph Nussbaum, an American jazz arranger active from the mid-20th century, was a significant figure in shaping the sound of big band jazz. Known for his sophisticated harmonic language and inventive voicings, Nussbaum contributed extensively to the repertoires of various ensembles. His work with leading orchestras, including collaborations with figures like Stan Kenton and Woody Herman, showcased his ability to blend intricate counterpoint with powerful swing. Nussbaum's arrangements are celebrated for their clarity, dynamic range, and their lasting influence on jazz band writing, establishing him as a master of the craft.