The individual holding the position of Master of the Theran Listeners served as the chief Listener-Master and functioned as the de facto head of the Theran Listeners, a Force-based group situated on the planet of Nam Chorios. The year 44 ABY saw Nenn in the role of Master of the Theran Listeners. During this time, the dark side being known as Abeloth made its way to Nam Chorios and seized control of Nenn. Nevertheless, when Abeloth attempted to utilize Nenn's physical form to combat the Jedi Grand Master Luke Skywalker, Nenn took his own life via suicide.