David Ridley is the Faculty Director for Health Sector Management at Duke University’s Fuqua School of Business. He studies innovation and pricing in health care, especially in biotech and pharmaceuticals. His research has been funded by the Bill & Melinda Gates Foundation and the National Institutes of Health. David was the lead author of the paper proposing the priority review voucher program which became law and created a market of more than a billion dollars for drug development for neglected diseases. He teaches courses on health care policy and strategy to Duke University graduate students. David received a doctorate in economics from Duke University.