His regional areas of interest include the Atlantic World, Latin America and the Caribbean, and his thematic areas of research include borders and borderlands, comparative and transnational histories, economic history and capitalism, imperialism and colonialism, Iberian Empires, social and labor histories. He is the author of Edge of Empire: Atlantic Networks and Revolution in Bourbon Rio de la Plata. His current book project, tentatively titled “Inter-American Connections: North and South Atlantic Networks,” analyzes trans-imperial networks of interaction between Rio de la Plata and the U.S. in the Age of Atlantic Revolutions.