Jeffrey Pfeffer has taught in the Stanford School of Business since 1979. He is the author or co-author of thirteen books including The Human Equation: Building Profits by Putting People First, Managing with Power: Politics and Influence in Organizations, The Knowing-Doing Gap: How Smart Companies Turn Knowledge Into Action, Hidden Value: How Great Companies Achieve Extraordinary Results with Ordinary People, Hard Facts, Dangerous Half-Truths, and Total Nonsense: Profiting from Evidence-Based Management, and What Were They Thinking? Unconventional Wisdom About Management. Pfeffer's latest book, tentatively entitled Power Rules: An Organizational Survival Guide, will be published in early 2010 by HarperCollins.