Ruth Mostern is Professor of History and Director of the Institute for Spatial History Innovation at the University of Pittsburgh and Vice President and President Elect of the World History Association.

She is the author of two single-authored books: Dividing the Realm in Order to Govern: The Spatial Organization of the Song State, 960-1276 CE (Harvard Asia Center, 2011), and The Yellow River: A Natural and Unnatural History (Yale University Press, 2021), winner of the Joseph Levenson Prize from the Association for Asian Studies in 2022.

She is also co-editor of Placing Names: Enriching and Integrating Gazetteers (Indiana University Press, 2016), and of a special issue of Open Rivers Journal (2017). In 2025, Ruth joined the authorship team of Worlds Together, Worlds Apart (Norton), the leading college textbook in world history. She is the author of more than thirty articles in peer-reviewed books and journals. Ruth is also Principal Investigator and Project Director of the World Historical Gazetteer, a prize-winning digital infrastructure platform for integrating databases of historical place name information.

Her research has been funded by entities that include the US National Endowment for the Humanities, the US National Science Foundation, the American Council of Learned Societies, and others. She has held visiting positions in China, Australia, and the United States. Ruth received her Ph.D. from the University of California, Berkeley in 2003 and was Founding Faculty at the University of California, Merced, where she spent 13 years before moving to Pitt in 2017. Her newest work in progress is a book entitled Where We’ve Been: The Global History of Placemaking from Songlines to Satellites.