Whether I'm at the office, at home, or on the road, I always have a stack of books I'm looking forward to reading.

To win big, you sometimes have to take big risks.

I don't think I would have spent time learning about the immune system if understanding vaccines weren't something I considered very important.

Students deserve great teachers. And teachers deserve the support they need to become great.

Haiti should remind us all that there is an immediate need to invest in and promote long-term development projects that are sustainable, scalable, and proven to work.

The vision is that people should have the ultimate in convenience. Being able to get the things they care about on the appropriate device.

Treatment without prevention is simply unsustainable.