Philanthropy is not about giving money but about solving problems. While well-meaning, the idea of writing a check and calling it 'philanthropy' is extremely short-sighted and, unfortunately, extremely pervasive.

Governments take too long to get things done and there are far too many varied interests at stake. If you were starting a business today and needed a partner, you would never choose a large bureaucratic institution like the government.

It's really easy to create a $1 billion company - you just have to solve a $10 billion problem.

Once humans traded their hunter-gatherer existences for more settled communities, we began a quest to make our lives better and more comfortable, but we've also been sucking precious finite resources from our environment ever since.

Growing up in India, I knew all I needed to change the world was one good opportunity, and I prepared myself for it. When that opportunity came - in the form of the chance to earn an engineering degree - I was ready.

I worked for Microsoft until 1996, till I had a different angle to view life. I wanted to be an entrepreneur and control my own destiny.

Success is not about how much money we have in the bank, but it's about how many peoples' lives we have impacted through it. Success is experienced when we do things which are never done before.