John C. Pinheiro is an historian and Director of Research and Publications at Acton Institute. He holds a PhD from the University of Tennessee. His publications include academic and popular articles on the early American republic, American religious history, and the Catholic Church in outlets such as the Journal of the Early Republic, Fides et Historia, Law & Liberty, Public Discourse, Civitas Outlook, Reading Wheel Review, Imaginative Conservative, University Bookman, National Review, and Educatio Catholica. Dr. Pinheiro's books include the award-winning Missionaries of Republicanism: A Religious History of the Mexican-American War (Oxford, 2014), Manifest Ambition: James K. Polk and Civil-Military Relations during the Mexican War (Praeger, 2007), Volume 12 of the Presidential Series of the Papers of George Washington (Virginia, 2005), and The American Experiment in Ordered Liberty (Acton Institute, 2019). His newest book, edited with Dylan Pahman, is The Christian Roots of American Liberty: A Reader (Acton Institute, 2026). His current book project, for Post Hill Press, is “Place, Tradition, and the American Founding.”
He is on X as @DrJohnPinheiro. His Substack is Liberty & Order (https://drjohnpinheiro.substack.com/).
