Many business leaders are seeing the relationship between long term success and sustainability, and that's very heartening.
I studied international relations and economics at the University of Virginia. I paid my way by working as a bartender in the summer and at three part-time jobs during the year.
When Jeff Sachs says every poor person should receive a free bed net, I agree - but in reality, many end up not receiving one. And I don't live in a world of shoulds.
There's a real moral imperative in being an organization that takes the time to sit and listen to the customers and the people they're serving.
Standing with the poor means walking away from unethical leaders, even when their companies are 'succeeding.'
What farmers gain most of all from the increase in agricultural productivity, of course, is choice.
In India, we now see many highly qualified professionals ready to work in the rural hinterland and in their own towns and cities to tackle development issues directly without depending much on the government.
I think I still have a great sense of adventure and trust, and am surprisingly idealistic given all the horrible things I've seen since I was 25. I think how I have changed is that I have a much deeper understanding of the dark forces in the world, of power.
When I see people that are my age and reaching 50, the ones that are really sparkly and full of joy are the ones that are committed to something bigger than themselves.
Where micro-finance focuses on small loans to individual, low-income women, think of Acumen Fund more like a venture capital fund.
Human beings tend not to spend money on health preventionally. We tend to spend it on top treatment.
In the case of maternal health care, you look at, well naturally, it's the mother who's the customer, who makes the decisions. But in truth, the mother in many areas, in certain parts of India, the mother has very little decision-making power at all. The real decision-maker is the mother-in-law.
We see very, very high rates of C-sections, Cesarean sections, in India. Lots of reasons for it, high levels of malnutrition have meant that women have very small pelvic areas often, so if they have larger babies, it's very hard to deliver.