Now in its tenth year, Simon leads Teen Cancer America, the only national charity in the USA working directly with hospitals to advise, support and fund them in the development of specialized facilities and programs for adolescents and young adults with cancer. The charity is built on the successful model of Teenage Cancer Trust, UK where Simon was Chief Executive Officer for 13 years before launching Teen Cancer America in 2012. His early career was in the management of substantial social and health care services in the fields of Learning Disability and Mental Health. He has been awarded an honorary Doctorate in Education by the University of Coventry, UK for his service development work and the advancement of professional education in the field of Adolescent and Young Adult Cancer. Simon has developed an international reputation for success in bringing about change within traditionally structured health systems.