Simon Davies joined Teenage Cancer Trust in 2000 as the charity's first full-time Chief Executive. He has managed the development and expansion of Teenage Cancer Trust’s units, services, education programme and professional training, fundraising, communications and infrastructure.

He has been instrumental in influencing NHS health policy to improve structures, facilities, treatment and care of teenagers and young adults with cancer.

In 2008 he was short listed for Entrepreneur of the Year 2008 and over the last nine years has overseen an increase in income from £1.5million to £9million.