Michael Schaller is Regents Professor of History Emeritus at the University of Arizona, where he has taught since 1974. His areas of specialization include U.S. international and East Asian relations and the resurgence of conservatism in late 20th-century America.

Janette Thomas Greenwood is Professor of History at Clark University. She specializes in African American history and history of the U.S. South.

Andrew Kirk is Professor and Chair of History at University of Nevada, Las Vegas. He specializes in the history of the U.S. West and environmental history.

Sarah J. Purcell is L.F. Parker Professor of History at Grinnell College. She specializes in the early national period, antebellum United States, popular culture, politics, gender, and military history.

Aaron Sheehan-Dean is Chair and Fred C. Frey Professor of History at Louisiana State University. He specializes in the Civil War and Reconstruction, the history of the New South, and nineteenth-century America.

Christina Snyder is the McCabe Greer Professor of History at The Pennsylvania State University. She researches colonialism, race, and slavery, with a focus on Native North America from the pre-contact era through the nineteenth century.