Bill Gates

Governments will always play a huge part in solving big problems. They set public policy and are uniquely able to provide the resources to make sure solutions reach everyone who needs them. They also fund basic research, which is a crucial component of the innovation that improves life for everyone.

A lot of my struggles with nutrition date back to my swimming days. I was a super-skinny young girl who would go through hours of intense training. Afterward, I'd be famished, but I had a two-hour trip home before dinner. When I did my hardest workouts, I often ate less; I was too tired to think about food.