The man who started the private equity industry 40 years ago, is plotting to harness entrepreneurship to act as an agent for social change.
...has been back to Harvard and a clutch of other top universities to tell the students about the next big thing in the business world – social finance...
"We want to do the same thing for social entrepreneurship. We want to connect the capital markets to the social sector.
"I think it is going to be similarly powerful because the impact of the recent crisis on peoples consciousness has emphasised the importance of dealing with the social consequences of the [capitalist] system."
Sir Ronald is fervent in his belief that this is more than just the latest business fad, but a crunch-point moment for the entire Western market-based system.
"It is not enough to increase the standard of living at the high end. It is right at the same time to worry about those who are left behind," he says.
"I think societies everywhere will come to the conclusion that an important part of the capitalist system is having a powerful social sector to address social issues, because government doesn't have the resources."