John Weidman is a GOVERNING contributor. He is the Deputy Executive Director of The Food Trust, a Philadelphia-based nonprofit working to ensure that everyone has access to affordable, nutritious food. He advocates for public policy change at the local, state and federal levels, and educates policy makers about the factors impacting the nutrition of lower-income people. John provides oversight for the organization’s national supermarket campaign and its regional farmers’ markets program, and led the effort to open Philadelphia’s Headhouse Farmers’ Market. John has 18 years of experience in public policy advocacy and nonprofit communications. He holds a Master’s degree in Political Science from the University of Pennsylvania and serves on the Board of Directors for the Pennsylvania Public Interest Research Group.