The image you are trying to upload is either too big or is an unacceptable format. Please upload a .jpg or .png image that is under 25MB.
Half a dozen deeply informative and beautifully written books.
Affordable clean energy should be high on the anti-poverty agenda.
Our commencement speech at Stanford University.
A fascinating look at the stuff that makes modern life possible.
Sharks are wimps, compared to this beast.
Looking back at 2013, I wanted to share a different kind of list.
This is my personal blog, where I share about the people I meet, the books I'm reading, and what I'm learning. I hope that you'll join the conversation.
Have a question or feedback about the site or the topics I write about?