In business, the idea of measuring what you are doing, picking the measurements that count like customer satisfaction and performance... you thrive on that.

Imagine, just for the sake of discussion, that you had a few hours a week and a few dollars a month to donate to a cause - and you wanted to spend that time and money where it would have the greatest impact in saving and improving lives. Where would you spend it?

Reward worthy failure - Experimentation.

If African farmers can use improved seeds and better practices to grow more crops and get them to market, then millions of families can earn themselves a better living and a better life.

The Global Fund is a central player in the progress being achieved on HIV, TB and malaria. It channels resources to help countries fight these diseases. I believe in its impact because I have seen it firsthand.

Inspiration starts somewhere.

I don't have a magic formula for prioritizing the world's problems.