We are trying to discover where this approach could have the greatest possibility of large-scale impact. We have to choose wisely and see where there is greatest interest and need.

In the late 60s, 70s and possibly early 80s, social scientists were interested in researching the diffusion of innovation and studying the link between applied research and policy and program development. Recently there has been less interest in these issues and we feel that this interest must be rekindled.

I often say that shareholders should feel very responsible for how responsive corporations are to the public trust.

There are hundreds, even thousands of remarkable pilot or experimental projects in all fields - in agriculture, health, education. But where do these pilots take us? Do they lead to change on a broader scale? If not, how can we ensure that they have broader impact?

We felt that the Gates Foundation looked at our track record and our publications and decided that "this is persuasive; this needs to be done. Let's see what they can do."

I would like to see policy makers and international donor agencies realize that it is not enough to give money for demonstration projects. From the very beginning plans should be made for the scaling-up of successful innovations.

It is not enough to give money for demonstration projects. From the very beginning plans should be made for the scaling-up of successful innovations.