Stephen Heidari-Robinson was a leader in McKinsey & Company's organization practice, heading the firm's work on energy-sector reorganizations and on the practicalities of implementating reorganizations across all sectors. Stephen was UK Prime Minister David Cameron's energy and environment adviser. He has also worked as a vice president at Schlumberger, as head of a not-for-profit focused on Asia, as an analyst for a private equity player, and as a UK civil servant. Stephen was educated in history at Oxford and London Universities and is a fluent Persian speaker. He lives in Surrey in the UK with his wife, Neggin.