Jack (Mass Effect)

Jack, formerly known as Subject Zero, may be the most talented biotic of her time. After helping Shepard destroy the Collectors, she was offered a teaching position by the Alliance. Accepting the position for reasons of her own, Jack continued to hone her skills while training her students. Grissom Board of Directors member Kahlee Sanders has vouched for Jack's energetic, if unorthodox, teaching style, impressed with the inroads made with the children under the rogue biotic's care.