Dr. Lee’s research interest covers nuclear strategy, nuclear receptivity, nuclear non-proliferation, alliance politics, U.S. foreign policy, theory of international relations, and energy and environmental politics. The list of his works includes “International Political Economy of Climate Change: Analysis on the Environment-Trade Dispute in Climate Change Regime” (co-authored and written in Korean, 2010), “Different Paths Towards the Same Goal? Comparing the Implementation and Performance of CO2 Emissions Reduction Regulations in the EU and South Korea” (co-authored, 2013), “The Objectives and Governance of Science and Technology Diplomacy: A Preliminary Comparative Analysis” (2015), “Global Competitiveness Analysis of Energy Storage System: Model and Index” (co-authored, 2017), “Introduction of U.S. Atomic Capability to South Korea in the 1950s: International Legitimacy vs. Military Strategy” (2022), and “Nuclear Receptivity on the Frontline: Analysis of Norwegian Nuclear Allergy and South Korean Nuclear Enthusiasm During the Cold War” (2023).