Good, CEO since 2013, has spent much of her time at America’s largest utility dealing with a massive coal-ash spill and enacting new safety measures. Now she has moved swiftly to bolster Duke’s core utility business, investing $2 billion in a new natural-gas pipeline for North Carolina customers, and she hopes to spend another $2 billion to modernize Indiana’s electrical grid. Good, who joined the Boeing board in August, also plans to invest $3 billion in renewables over the next five years.