This former banker left Wall Street to rethink how change happens

The solution to poverty isn’t handing out aid, says this social entrepreneur - it lies in creating new markets that serve those most in need. Jacqueline Novogratz, founder of non-profit impact investment platform Acumen, has spent more than two decades investing in entrepreneurs whose work helps lift people out of poverty. Here she explains her approach - and how it can open up whole new possibilities for traditionally underserved communities.