It's a question that has been tackled by thousands. In fact, there are literally tens of thousands of leadership studies, theories, frameworks, models, and recommended best practices. But where are the clear, simple answers we need for our daily work lives? Are there any?

Dave Ulrich, Norm Smallwood, and Kate Sweetman set out to answer these questions--to crack the code of leadership. Drawing on decades of research experience, the authors conducted extensive interviews with a variety of respected CEOs, academics, experienced executives, and seasoned...

MAKE YOUR LEADERSHIP EFFORTS STICK

Every day, thousands of people put great effort--and money--into becoming more effective leaders, through seminars, personal coaching, and employee development plans. These undertakings can do wonders to help leaders of all stripes improve their effectiveness. But not every leader finishes what he or she starts--and many revert back to less effective habits, often without even realizing it.

How can you ensure that you stick with all the positive changes you have made? How do you make sure you don't slip back into your old ways?

Campbell Soup Company and PepsiCo seek advice from anthropologists to understand customer tastes and preferences. Google and Intel engage experts in social science and biomechanics to assess how people think about and use technology.

Companies are gaining advantage through a new capability--strategic use of external experts--made possible by technology and the globalization of talent. Leaders everywhere recognize that "lean," "agile," and "fast" strategies require new ways to access and leverage--without owning--key talent to fill critical...