Susan Wojcicki

My first job after college was at Magic Quest, an educational software startup company where I was responsible for writing the content. I found that job somewhat accidentally but after working there a few weeks and loving my job, I decided to pursue a career in technology.

Even though it was a start-up with fewer than 20 people, and I was pregnant with my first child, the best decision I've ever made was to join Google in 1999. Worst decision? Deciding to get a puppy and a bunny right when the baby came.

Hammer down product fundamentals first. Make sure you've got something that works before doubling down on promotion and marketing. Create a groundswell of organic support, and only then leverage PR and advertising to spread the word.

The majority of small-holder farmers in Africa are women and, in urban areas, you're primarily looking at women-led households. So we can't solve hunger if we don't have gender-sensitive programming that addresses access to opportunities for women, whether it's through education or tools for cooking, like solar-powered stoves.

I doubt very much that the chief executives of any of the Fortune 500 corporations can name five edible plants, five native grasses, or five migratory birds within walking distance of their homes, or name the soil series upon which their house sits. And I would contend that if you don't know where you are, you are in fact nowhere at all.