All managers need to think strategically but few know any of the rules of strategy, except by hearsay. Working with companies such as Kraft and Nabisco, Gary Gagliardi developed this new version of Sun Tzus strategic principles especially forMoreAll managers need to think strategically but few know any of the rules of strategy, except by hearsay. Working with companies such as Kraft and Nabisco, Gary Gagliardi developed this new version of Sun Tzus strategic principles especially for managers.