John McGuire

About

Houseguest on the long-running CBS reality series Big Brother who competed in the seventeenth installment of the show.

Before Fame

He was working as a dentist when he entered the house.

Trivia

He earned nicknames of Johnny Mac and the Rock Star Dentist. He competed in tough mudder marathons.

Family Life

His hometown is Scranton, Pennsylvania. During his time on Big Brother, he was residing in Jefferson Township, PA. Part of the reason he went on Big Brother was to attempt to save his parents' lake house.

Associated With

He and Audrey Middleton competed on the same season of Big Brother.