Martin Winterkorn

The European auto industry made a commitment to reduce carbon dioxide emissions by an average of 140 grams per kilometer. But then there was a significant change in what customers wanted in their vehicles.

Well, there's no question that the law passed in 1996 was flawed. It deregulated the wholesale market, meaning the price that the utilities had to pay energy companies for power, but not the retail market.

I've been a medical and public health professional as well as a mother. I became skilled at juggling a number of priorities and competing interests. Like many other female leaders, I've tried to serve as a role model for the young women at my organization who are trying to balance a high-level leadership position and a family.