This rookie CEO worked at a slew of consumer goods companies (P&G, Kraft, Pepsi, Nabisco, Nestlé) and served as Campbell's operating chief before ascending to the top of the $7.7-billion-in-revenue company in August. MPW fact: Morrison and Maggie Wilderotter are the first sister act to make the list.
Boardroom battles and power plays shaped this year's U.S. list, which boasts eight new faces and -- surprise! -- a new No. 1.
