Valerie Hansen teaches Chinese and world history at Yale, where she is professor of history. In the course of writing The Year 1000, she traveled to some twenty different countries and was a visiting scholar at Xiamen University in China, University of Birmingham in the United Kingdom, and the Collège de France in Paris.

Having lived in China for six plus years, Valerie has visited at least 300 temples, climbed the Great Wall multiple times (once during a lightning storm), and posed next to the Terracotta Warriors eleven times. (All this in the company of her husband and three children)

Her books include The Silk Road: A New History, The Open Empire: A History of China to 1800, Negotiating Daily Life in Traditional China, Changing Gods in Medieval China, 1127-1279, and Voyages in World History (co-authored with Kenneth R. Curtis).