Marudo was born in Tanauan City, Batangas. His father, Zosimo Marudo hails from Batangas while his mother, Rosanna Acuesta is a Calauagenian (native of Calauag, Quezon). He has five siblings and he is the third child. From elementary school until high school, he played in the basketball varsity team. His brother (Zandro) influenced him to play basketball. He was in the San Sebastian College-Staglets Team, playing in the NCAA. He joined a modeling contest, Body Shots, and won the First Runner-up title. He joined The Pinoy Big Brother Celebrity Edition, winning fourth Place with actors John Prats, Bianca Gonzalez and Keana Reeves. He signed his acting contract with ABS-CBN network.
Marudo became a model after high school. He appeared in the Bench Fever fashion show. In Philippine Cosmopolitan Magazine (September 2006 issue), Marudo is one of the 10 Centerfold men in the "Cosmopolitan 69 Bachelors and 10 Centerfolds" supplement.
Housemate names who are in bold are winners; while those names in italics are housemates who made it to the finale.
Note that housemate names with 1 entered the house but failed to become official housemates.