David Green has worked with many organisations to make medical technology and health care services sustainable, affordable and accessible to all, particularly to the poorer two thirds of humanity. David is a MacArthur Fellow, Ashoka Fellow and is recognized by Schwab Foundation as a leading social entrepreneur. He will be honoured as the 2009 recipient of the “Spirit of Helen Keller” award. In 1992, David directed the establishment of Aurolab (India) and is now developing a social enterprise in Chicago to make affordable hearing devices. David has created an “eye fund” with Ashoka and Deutsche Bank. David is a Vice President of Ashoka, and also works with Pacific Vision Foundation and California Health Care Foundation, Grameen Health in Bangladesh and Venture Strategies.