The Alliance of Independent Systems was an interplanetary government that was headed by a Chairman. Mace Windy served as Warlord to the Chairman of the Alliance of Independent Systems.[1]
Behind the scenes
This entity was created in George Lucas's earliest writing about the Star Wars universe, the Journal of the Whills (Part) I, an in-universe narrative written by Chuiee Two Thorpe of Kissel, Mace's padawaan learner.[1]
Though the Galactic Empire was always a villainous force in the final script, in the rough draft script, the Jedi served the Emperors until fairly recently, and the Galactic Republic had not yet been invented. Instead, the pre-existing Empire had declined into barbarism and decadence.[1]