In 2011, Tim Cook took on an impossible task - following in the footsteps of one of historys greatest business visionaries, Steve Jobs. Facing worldwide scrutiny, Cook (who was often described as shy, unassuming and unimaginative) defied all expectations. Under Cooks leadership Apple has soared: its stock has nearly tripled to become the worlds first trillion-dollar company. From the massive growth of the iPhone to new victories like the Apple Watch, Cook is leading Apple to a new era of success.

But hes also spearheaded a cultural revolution within the company. Since becoming CEO, Cook has introduced a new style of management that emphasizes kindness, collaboration and honesty, and h