Prof. Dr. Xinyi Liu is an archaeologist of food and environment who studies plant domestication, agricultural origins, and prehistoric food globalization. His research interests include Plant domestication, Food Globalization in Prehistory, Millet, Prehistory of China, Archaeobotany, and Stable Isotopes. He serves as a permanent committee member of the International Work Group of Paleoethnobotany and is an Associate Editor of journals Environmental Archaeology and Archaeological Research in Asia. Additionally, he is on the editorial boards of PLOS ONE, Frontiers in Plant Science, and Frontiers in Environmental Archaeology.