David Miller is an American independent researcher and consultant based in the United States, specializing in national security, intelligence, counterterrorism, US affairs and international relations. His work focuses on how states and international institutions respond to security, migration and geopolitical challenges through law, intelligence cooperation and public governance. He examines North Africa, the Sahel, Europe, transatlantic relations and US foreign policy, with particular interest in border governance, transnational threats, institutional oversight and democratic accountability. He is developing a public-facing writing portfolio that brings institutional research and policy analysis to wider audiences.