Dr Marc Kahn is Chief Strategy & Sustainability Officer at Investec Plc, a FTSE 250 multinational corporation headquartered in London. He is a senior associate at the Cambridge Institute of Sustainability Leadership, Cambridge University, and also a visiting professor at Middlesex University. Prior to joining Investec in 2008 he led a management consulting firm specialising in large scale change initiatives and executive development. He is a chartered business coach, clinical psychologist, author and teacher. Marc draws on complexity sciences and systems theory in his work and maintains that twentieth century industrial models of organisation are defunct. He lives in London.