In this year's survey, global business leaders voice fresh concerns about economic and business growth. At the same time, they see a more divergent and multi-polar world where technology is transforming the expactations of customers and other stakeholders. In Redefining business success in a changing world, PwC explores how CEOs are addressing these challenges. PwC surveyed 1,409  CEOs in 45 countries and a range of industries in the last quarter of 2015, and conducted face-to-face interviews with 33 CEOs.