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In order to upgrade our systems, SAGE will not be fulfilling orders beginning at close of business on Thursday 26 April 2018 and lasting until Tuesday 8 May 2018. As soon as we are operational again, all orders placed during this period will be dealt with as normal. If you do need help between these dates please contact us. Thank you for your patience and we apologise for the inconvenience caused.

Christopher Mabey Middlesex University Business School, UK

Chris Mabey is a Chartered Psychologist and Professor in Leadership at Middlesex University Business School. Chris has held a career-long interest in leadership development as a counsellor for a charity, as a practitioner with British Telecom and Rank Xerox and as a consultant. More recently he has researched, taught and written on this topic with four different business schools.