Peterson joined Johnson & Johnson in 2012 from Bayer, in the largest role ever given to an outsider at the $70 billion health care giant. She now runs J&J’s $18 billion consumer businesses (baby shampoo to glucose monitors), plus a number of functions such as IT and supply chain­—key to J&J’s ongoing transformation strategy. She has led the company through a back-office overhaul, moved its data into a HIPAA-secure cloud, and last year inked ­major partnerships with Google, Apple, and IBM. The McKinsey alum also joined ­Microsoft’s board.