Rob has never been married in his life. Once he was in love with a beautiful lady Vanessa Evigan. Vanessa Evigan is an actress and she is also known for being a costume designer. They were together for several months and they broke up in 2007. Rob is now aged 37 years old and he is six feet and four inches in his height. His nationality is American and he is of white ethnicity.
Rob was born and raised in Calabasas, California. There he got enrolled at Agoura High School. When he was in his 6th grade, he joined his first band, a quartet called No Clue. He was just nine years old during that time. This band was renamed as Physical Evidence. They also performed with the bands like Nirvana, Bad Religion, and Suicidal Tendencies. While he was in 10th grade, he became the members of a band called Karma. There he became close with Brad Delson and Mike Shinoda, together they formed their own band called Relative Degree. In 1996, he joined an American rock band Linkin Park. He is the original member of this band and also its youngest member. Their debut album Hybrid Theory was released on 24th of October 2000. This album was released by Warner Bros. Records. Their second album Meteora was released in the early 2003. His net worth is unknown.