The Success of the Peterborough Social Impact Bond Brinda Ganguly, Associate Director at the Rockefeller Foundation-- September 3: The Peterborough pilot launched global excitement about the social impact bond model, and today's news affirms the fact that private investment in critical social service prevention programs is not only an effective way to provide services to a vulnerable population, but is also an effective way for investors to diversify their investment portfolio to make both financial and social returns. There are now 16 social impact bonds in the UK; four in the U.S.; two in Australia; one in Canada; one in the Netherlands; one in Belgium; one in Germany; and more than 100 proposals world-wide. more... See more text