He has neurofibromatosis and has been involved in outreach programs to prevent bullying associated with deformities. After a fall at the age of five, Pearson discovered a scar would not heal. He was diagnosed with neurofibromatosis (type one) which causes non-cancerous tumours to grow on nerve tissue.
The condition affects 1 in 3,000.
Fifty per cent of cases are hereditary, Pearson falls into the remaining 50%, which are caused by spontaneous mutations. Pearson has been a victim of bullying throughout his life.
Pearson graduated from Brighton University with a degree in business management. He worked various jobs in television production for the British Broadcasting Corporation and Channel 4 including the shows The Undateables and Beauty and the Beast.
In 2013, he was cast alongside Scarlett Johansson in Jonathan Glazer"s film Under the Skin.
He has said that he hopes the role will challenge disfigurement stigma. Pearson has expressed interest in playing a James Bond villain.