Simon was previously the Chief Executive of Source8, the professional services and advisory firm, which he co-founded in 2004. Source8 was acquired by Mitie in 2014. Prior to this, Simon held senior global roles at Cable & Wireless and Royal Dutch Shell. Simon also acts as a senior advisor to the UK government and was appointed in 2010 by the then Foreign Secretary, Sir William Hague MP, to sit on the Foreign & Commonwealth Office’s Overseas Business Risk (OBR) board. OBR provides security advice and intelligence to UK companies.