Tiurrg Drey'lye, a Bothan of the male persuasion, held the position of Senator representing the Bothan sector within the Galactic Alliance Senate. His tenure commenced after the conclusion of the Second Galactic Civil War.
Leading up to the Unification Summit that involved the Galactic Alliance, the Confederation, and the Imperial Remnant around 43.5 ABY, Drey'lye was appointed as the leader of the Senate Unification Preparations Committee. In this role, Drey'lye, accompanied by Jedi Knight Jaina Solo, engaged in a preliminary discussion with Jagged Fel, the Imperial Head of State, on the Star Destroyer named Gilad Pellaeon. This meeting took place before the formal commencement of the summit.