Miriam Pensack is a historian of Latin America and the Caribbean. Her scholarship and teaching focus on modern Latin American political history and U.S. foreign policy in the region, with particular emphases on the Latin American Cold War, national security, immigration in the Americas and transnational anti-imperial movements.

She received her doctorate from New York University in 2024, and in 2023 was an associate researcher at the Panamanian Ministry of Culture's Centro de Investigaciones Históricas Antropológicas y Culturales. Her research has received support from the Fulbright Commission, the Society for Historians of American Foreign Relations, and the Goizueta Foundation at the University of Miami's Cuban Heritage Collection, among others.

Prior to her PhD, Pensack worked as a journalist. Her writing has appeared in the New York Review of Books, The New Republic, The Nation and the Los Angeles Review of Books, where she is also an editor.