Julian John, 50, collapsed in 2005 due to a brain injury that developed from food poisoning. Losing the ability to stand, walk and talk, he was housebound for three years. After undergoing five years of intense physical therapy in the National Hospital for Neurology and Neurosurgery in London, he was able to make a partial recovery although aspects of his life are still limited due to his disability. Founder of the Diversity and Inclusion consultancy Delsion Ltd., Julian has excelled…