Oli is a married man. On 12th of July 2015, he got married to Hannah Pixie Snowdon. Hannah Pixie Snowdon is a fashion model and she has also established herself as a tattoos artist. They also had romantic affairs before they tied their married knot. His nationality is English and he is of white ethnicity.
During his childhood days, Oli was raised in Adelaide and Perth. He was raised there for about six years. At the age of eight, his family moved to Stocksbridge in Sheffield, South Yorkshire. There he got enrolled at Stocksbridge High School. In 2003, he began crafting compilation CDs and short tracks. In 2004, he formed a British rock band Bring Me the Horizon with Lee Malia, Matt Kean, Matt Nicholls, and Jordan Fish. He served as the lead vocalist of this band; Lee Malia did the guitar, Matt Kean on drum and so on. They began recording their debut album Count Your Blessings in 2006 and this album was finally released on 30th of October 2006. Their second album Suicide Season was released on 29th of September 2008. This band has also been honored with several prestigious honors and awards. His net worth is $2 Million.