Zhenzhong Si is a human geographer with broad research interests in sustainable food system, alternative food networks, food security, food safety and rural development initiatives. He is currently a QES postdoctoral fellow researching food security and small food vendors of Nanjing China within the Hungry Cities Partnership project. He co-authored the book Organic Food and Farming in China: Top-down and Bottom-up Ecological Initiatives. His doctoral research examined the emerging alternative food networks in China, their roles in sustainable rural development and their interactions with the state. He is also facilitating a LinkedIn Discussion Group “China’s Changing Food System”.