Japan-US alliance, Security in Asia, Politics and diplomacy of Japan and the United States

Security law (domestic and international), policy and strategy

Foreign aid and security cooperation

Military History and Strategy, International Security Policy and Strategy, Japan-U.S. Alliance.

Ideology of International Relations, Theory of the International Order, Japanese Diplomatic History

International law, law of the sea, maritime security

International politics, African security

Foreign & Security Policy of the Republic of Korea, International Relations in East Asia

International Relations in South Asia

Middle East and Islamic studies, peacebuilding, international cooperation

Middle East and foreign policy

European Security, New domains (space, cyberspace and the electromagnetic spectrum), Defense Technology Innovation

Peacebuilding, Development

Security and international relations in Southeast Asia

Europe, NATO

Indo-Pacific security; Australian foreign policy; Japanese foreign policy; Australia-Japan relations

Expertise: Russia’s foreign and security policy and Eurasian geopolitics

Theory of international relations, security theory, U.S. diplomacy

strategic communications of the second Abe administration, Japan’s foreign and security policy, and Japan-Korea relations.

Security (Strategic Tactics:Operational Art), Ocean Security, National Defense Studies, Leadership

Nuclear non-proliferation and Civilian use of nuclear energy

International Politics (Strategic Assessment, National Cyber Security), Public Policy

Pacific Islands (Politics, Economy and Development Assistance)

Maritime Security, Chinese Military Strategy

International Relations, Security Studies, Strategic Studies, U.S.-Japan Security Relations

Contemporary Chinese Studies

Asian international relations, conventional warfare, strategic nuclear issues, wargaming.

International Relations, Security, American Politics and Foreign Policy, Arms Control, Defense Industries

US-Japan alliance, Security in East Asia, and emerging technology policy coordination.

Trade, World Trade Organization, Foreign Direct Investment, Global Governance, Japan, Northeast Asia, Asia and the Pacific

Japan, Northeast Asia, U.S.-Japan relations, Asia and the Pacific, U.S. Strategy in Asia

Chinese Economy, Japan-China relations, East Asian Economic Integration

Mis/disinformation ecosystem, fact-checking, press freedom, 
 news literacy, media sociology. With strong regional focus on countries in the Asia-Pacific.

Russian military and security policy

India, Indian Ocean

Cyber Security, Information Warfare, Influence Operation, Disinformation

Central Asian regional studies (Especially: International Relationships, Development, Water resource management)

Multilateral Security Cooperation, Cooperative Security, Wargaming

North Africa Area studies, Energy Economics, France's Middle East Policy