Dean has had a diverse background, education and career. At University Dean gained a Physics and Business Studies degree and an MPhil in Physics and Material Science and published two scientific papers.

Following University Dean put his work ethic into his career and contributing to the community. Dean has advised senior leaders from brands and governments, as well as philanthropists and Secretaries of State. Dean is also an artist and a children's book author with four published children's books.

Dean has been active in challenging the stigma of mental health for many years and has worked with many different political groups. He was elected to Parliament in 2019 with a majority of over 4,400 and has joined the Health and Social Care Select Committee and the Joint Committee on Human Rights. He also Chairs two APPGs and sits on a number of others.