One particularly interesting type of charitable bond is the Social Impact Bond (SIB) pioneered by Social Finance.

BBC: Charitable bonds explained

Initial funds to back the first social impact bond in the program came partly from one of the Sainsbury Family Trusts.

FORBES: UK Billionaire David Sainsbury Backs Social Impact Bonds

Despite the incredible speed at which the social impact bond story is being written, we are still only in the first chapter.

FORBES: Social Innovation in Acceleration: Building the Social Impact Bond Ecosystem

She called on Justice Secretary Kenny MacAskill to pilot the Social Impact Bond model as a new approach to prison rehabilitation and reducing reoffending.

BBC: Lib Dems: Prisons debate

The Foundation has focused its attention on every actor group involved in a social impact bond through our work and the work of our grantees.

FORBES: Social Innovation in Acceleration: Building the Social Impact Bond Ecosystem

In 2009, The Rockefeller Foundation gave a grant to Social Finance UK to develop a then unknown innovative finance tool called the social impact bond.

FORBES: Social Innovation in Acceleration: Building the Social Impact Bond Ecosystem