Through his years of intensive work consulting to companies including Procter & Gamble, Sony, Toyota, Microsoft, Ford and Ernst & Young, with his firm The Energy Project, Schwartz has developed a powerful program for changing the way we are working that greatly boosts our engagement and our satisfication with our work and increases our performance.In this book he marshalls a wide range of powerful evidence from business research and psychology that shows that the current model of work -- in which people are treated essentially as machines that should be able to perform at top speed for extraordinarily long hours, be able to multi-task, be always accessible and online, withstand often harsh and emotionally punishing treatment, and be primarily driven by the need to make profits -- is not only not optimal, it is specfically counter-productive because it saps us of our physical, emotional, mental and spiritual energy.In order for us to perform at our best, we must make a set of key change