Zach is a high school classmate of Claire Bennet and one of the first people to know of her powers. He videotapes Claire using her abilities. He tells Claire that he helped her win the Homecoming Queen election by campaigning for her amongst the "unpopular" crowd. He also gives her a book written by Chandra Suresh, which he says details information on her power. Claire is overwhelmed and later punches Jackie when she makes homophobic comments towards Zach. After Claire is grounded, Zach enters her bedroom using a ladder and convinces her to come to the Homecoming game.
After Claire tells her father that Zach knows about her powers, Mr. Bennet has the Haitian make him forget about his relationship with Claire and her powers. When Claire approaches him the following day, Zach doesn't remember having even spoken to her since sixth grade. Nevertheless, Claire convinces Zach to videotape her again and is able to rekindle their friendship. Zach subsequently helps Claire track down her biological parents while also helping to keep her actions secret from her adoptive parents.