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Stephen Hoare is a regular contributor to The Guardian , Human Resources magazine, Talent Management Review and writes special reports on careers and MBAs for the Times. As a consultant on communication he has worked with a number of business schools including Cass, Cranfield, and RSM Erasmus University. Andrew Leigh is a former business feature writer from The Observer, Director of Maynard Leigh Associates and author of books, including, The Charisma Effect (Pearson Education 2008) and Secrets of Success in Management (Pearson Education 2008).