Parke Wilde is a food economist and Professor at the Friedman School of Nutrition Science and Policy at Tufts University, U.S.A. Previously, he worked for USDA's Economic Research Service and was Director of Design for the SNAP Healthy Incentives Pilot evaluation. He has been a member of the Institute of Medicine's Food Forum and is on the scientific and technical advisory committee for Menus of Change, an initiative to advance the health and sustainability of the restaurant industry. He is co-organizer of a university climate initiative (flyingless.org) and directs the USDA-funded Research Innovation and Development Grants in Economics (RIDGE) Partnership.