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Sarah Teo is an Assistant Professor in the Regional Security Architecture Programme and Deputy Coordinator of the MSc (International Relations) Programme at the S. Rajaratnam School of International Studies (RSIS), Nanyang Technological University, Singapore. Her research interests include multilateral security and defence cooperation in ASEAN and the Asia Pacific, middle powers in the Asia Pacific, as well as power in international relations. Her latest book is Middle Powers in Asia Pacific Multilateralism: A Differential Framework (Bristol University Press, 2023). She is the co-author of Security Strategies of Middle Powers in the Asia Pacific (Melbourne University Publishing, 2018) and co-editor of Minilateralism in the Indo-Pacific: The Quadrilateral Security Dialogue, Lancang-Mekong Cooperation Mechanism, and ASEAN (Routledge, 2020). Her articles have also been published in peer-reviewed journals such as International Theory, The Pacific Review and Asia Policy, edited volumes, as well as various commentary platforms. She has a PhD from the University of Sydney and MSc (International Relations) from RSIS.
Areas of Expertise
- Multilateral security and defence cooperation in ASEAN and the Asia Pacific
- Middle powers in the Asia Pacific
- Power in international relations
- Participant, Track II Network of ASEAN Defence and Security Institutions (NADI), 2012-2015
- Member, Asia-Pacific Leadership Network for Nuclear Non-Proliferation and Disarmament (APLN), since 2023
WP265 | South Korea’s Middle-Power Engagement Initiatives: Perspectives from Southeast Asia
28 July, 2013
WP245 | Dividing the Korean Peninsula: The Rhetoric of the George W. Bush Administration
14 August, 2012
The Future of the ADMM/ADMM-Plus and Defence Diplomacy in the Asia Pacific
23 February, 2016
Impact of the Sino-Japanese Competitive Relationship on ASEAN as a Region and Institution
24 December, 2014
South Korea's Defence Diplomacy in East Asia
01 December, 2013
Strategic Engagement in the Asia Pacific: The Future of the ASEAN Defence Ministers' Meeting-Plus (ADMM-Plus)
21 August, 2013
Reimagining DPRK Summit Diplomacy: Can ASEAN Play a Bigger Role?
25 March, 2019
CO17083 | Strengthening ASEAN-US Relations: Korean Peninsula as Conduit?
02 May, 2017
CO15234 | China-Japan-Korea Trilateral Summit: What does it mean for East Asia?
04 November, 2015
CO14079 | US Presence in Asia Pacific: Messages from Obama’s East Asia Tour
30 April, 2014
CO13078 | ASEAN Unity: From Word to Deed
26 April, 2013
CO13051 | Tensions on the Korean Peninsula: Will Park's Trustpolitik Work?
02 April, 2013
CO12226 | North Korea's Rocket Launch: Opportunity for Regional Cooperation?
13 December, 2012
CO12169 | ASEAN Centrality: Why it is Important for US and China
11 September, 2012
CO12135 | North Korea: Regime Reform or Cosmetic Change?
26 July, 2012
CO12115 | Japan-South Korea Military Cooperation: Implications for Northeast Asia
04 July, 2012
Selected Essays by RSIS Researchers - 2020
18 January, 2021
IP23065 | ASEAN-ROK Relations in the Indo-Pacific: Comprehensiveness and Competitiveness
15 September, 2023
IP22055 | AUKUS and the Non-proliferation Debate
13 October, 2022
IP21002 | Creating Synergies between the ADMM and Sub-regional Arrangements
24 August, 2021
Commemorative / Event Reports
- Towards Open and Inclusive Regionalism (with Rocky Intan, and Joel Ng). Indonesia, Jakarta: Centre for Strategic and International Studies, 2023
- Middle Powers in Asia Pacific Multilateralism: A Differential Framework. Bristol: Bristol University Press, 2023
- Security Strategies of Middle Powers in the Asia Pacific (with Ralf Emmers). Carlton, VIC: Melbourne University Publishing, 2018
- “ASEAN in the Indo-Pacific: Continuity and Change” in United Service, Vol. 74, No. 3, 2023, pp. 21-25
- “South Korea in the ASEAN-centered regional network” in Asian Politics & Policy, Vol. 15, No. 1, 2023, pp. 98-112
- “Caught in the Middle? Middle Powers Amid US-China Competition” (with Hoo Tiang Boon) in Asia Policy, Vol. 17, No. 4, 2022. pp. 59-76
- “Middle Powers amid Sino-U.S. Rivalry: Assessing the ‘Good Regional Citizenship’ of Australia and Indonesia” in The Pacific Review, Vol. 35, No. 6, 2022, pp. 1135-1161
- “Introduction on “Interests, Initiatives, and Influence: Geopolitics in the Mekong Subregion”” in Asia Policy, Vol. 17, No. 2, 2022, pp. 2-6
- “Toward a Differentiation-Based Framework for Middle Power Behavior” in International Theory, Vol. 14, No. 1, 2022, pp. 1-24
- “The Future of the San Francisco System: Pressures and Prospects” (with Ralf Emmers) in Asian Politics & Policy, Vol. 12, No. 1, 2020. pp. 84-96
- “Contending Visions of East Asian Regional Order: Insights from the United States, China, Japan, and Indonesia” (with Bhubhindar Singh, Shawn Ho, and Tsjeng Zhizhao Henrick) in Asian Affairs: An American Review, Vol. 46, No. 1, 2019. pp. 19-41
- “Can Australia be One of Us? The View from Asia” in Australian Foreign Affairs, Vol. 5, No., 2019, pp. 77-93
- Teo, Sarah. “Middle power identities of Australia and South Korea: comparing the Kevin Rudd/Julia Gillard and Lee Myung-bak administrations.” The Pacific Review 31, no. 2 (2018): 221-239.
Bhubhindar Singh, Sarah Teo & Benjamin Ho, "Rising Sino-Japanese competition: perspectives from South-East Asian elites", Australian Journal of International Affairs, Volume 71, Issue 1, February 2017, Pages 105-120, DOI: 10.1080/10357718.2016.1157849
- Teo, Sarah, Bhubhindar Singh and See Seng Tan. "Southeast Asian Perspectives on South Korea’s Middle Power Engagement Initiatives." Asian Survey 56, no. 3 (2016): 555-580.
- Sarah Teo and Henrick Z Tsjeng, "A Diplomatic Decade: The ASEAN Defence Ministers' Meeting", Global Asia 11, No. 1 (Spring 2016): pp. 84-89.
- Teo, Sarah. "Dividing the Korean Peninsula: The Rhetoric of the George W. Bush Administration." The Journal of Defence and Security 6, no. 2 (2015): 1-17.
- Desker, Barry, Sarah Teo and Dylan Loh. "The ASEAN Regional Forum and its continued relevance." New Zealand International Review 40, no. 4 (2015): 17-20.
- “Regional Security Strategies of Middle Powers in the Asia-Pacific” (with Ralf Emmers) in International Relations of the Asia-Pacific, Vol. 15, No. 2, 2014. pp. 185-216
Edited Books / Special Issues
- Minilateralism in the Indo-Pacific: The Quadrilateral Security Dialogue, Lancang-Mekong Cooperation Mechanism, and ASEAN (with Bhubhindar Singh), Eds. Oxon: Routledge, 2020
Chapters in Edited Books
- “ASEAN and Multilateralism in the Indo-Pacific: Past, Present, and Future” in Samir Saran and Vinia Mukherjee , 2023 Raisina Files – Adrift at Sea: Lighthouse in the Tempest? . New Delhi: Observer Research Foundation, 2023, pp. 109-115
- “Singapore’s Relations with North and South Korea: In Pursuit of Pragmatism and Principles” in Lam Peng Er, Contemporary Korea-Southeast Asian Relations Bilateral and Multilateral. Oxon: Routledge, 2022, pp. 131-152
- “Advancing the ASEAN-Korea Partnership: From Sectoral Dialogue Relations to the New Southern Policy Plus” (with Ong Keng Yong, and Shawn Ho) in Kwon Hyung Lee and Yoon Jae Ro (Eds.), The New Southern Policy Plus: Progress and Way Forward. Sejong: Korea Institute for International Economic Policy, 2021, pp. 49-67
- “Middle Power Awkwardness? Indonesia’s Norm Entrepreneurship in ASEAN” in Gabriele Abbondanza and Thomas Stow Wilkins (Eds.), Awkward Powers: Escaping Traditional Great and Middle Power Theory. Cham: Palgrave Macmillan, 2021, pp. 151-176
- “Introduction: Minilateralism in the Indo-Pacific” (with Bhubhindar Singh) in Bhubhindar Singh and Sarah Teo (Eds.), Minilateralism in the Indo-Pacific: The Quadrilateral Security Dialogue, Lancang-Mekong Cooperation Mechanism, and ASEAN. Oxon: Routledge, 2020, pp. 1-12
- “The Role of Think Tanks in Shaping Policy Debates in Asia: S. Rajaratnam School of International Studies” (with Mely Caballero-Anthony, Ralf Emmers, and Theresa Robles) in James G. McGann, Think Tanks, Foreign Policy and the Emerging Powers. Cham: Palgrave Macmillan, 2018, pp. 225-237
Cocq, Céline, and Sarah Teo. “Countering Terrorism: Challenges and Opportunities in ASEAN-EU Cooperation.” In Interregionalism and the European Union: A Post-Revisionist Approach to Europe's Place in a Changing World, edited by Mario Teló, Louise Fawcett and Frederik Ponjaert, pp. 175-191. Farnham: Ashgate, 2015.
- Henrick Z. Tsjeng, Sarah Teo and Christabelle He, with Tan Seng Chye (ed). "Singapore's experience in response to disasters at national and regional levels". In NADI Joint Working Paper: Sharing Experiences in ASEAN HADR Management, pp.64-88; recommendations pp. 111-112. Bangkok: Strategic Studies Center, National Defence Studies Institute, 2015.
- “ASEAN Centrality: Not the Best, But Still Good?”, Counterpoint Southeast Asia , 3 October 2023
- “Commentary: It isn’t always smooth sailing, but here’s why Singapore should persist with its dialogue convenor role”, TODAY, 7 June 2023
- “The Future of the ADMM-Plus in the Indo-Pacific”, Institute for Security & Development Policy, 8 May 2023
- “A balancing act: South Korea’s Indo-Pacific turn”, Korea On Point, 20 November 2022
- “The Quad and ASEAN — Where to Next?”, East Asia Forum, 25 June 2022
- “Australia and South Korea: Resetting Middle Power Ambitions” (with Peter K. Lee), The Diplomat, 17 June 2022
- “The More Things Change… How Regional Security Multilateralism in the Asia Pacific is Evolving”, Melbourne Asia Review, 18 March 2022
- “Rules-Based Order? Strengthening Consensus on the Rules and Principles Underpinning the International Order” (with Joel Ng, and Benjamin Ho), CSCAP Regional Security Outlook 2022, 13 December 2021
- “The Ambitions and Reality of the Quad” (with Huong Le Thu), The Strategist, 15 June 2021
- “Trends in Indo-Pacific Regional Multilateralism: Scenarios for ASEAN”, ANU National Security College Futures Hub, 1 April 2021
- “Rules-Based Order? Strengthening consensus on the rules and principles underpinning the international order” (with Joel Ng, and Benjamin Ho), Asia Link Insights, 1 February 2021
- “What the Quad Meeting Means for ASEAN”, The Diplomat, 9 October 2020
- “How the COVID-19 Pandemic Deepens the Challenge of Sino-U.S Rivalry for ASEAN”, The Politburo, 10 May 2020
- “Three Scenarios for the Quad and for ASEAN” (with Amanda Trea Phua), PacNet #6, 6 February 2020
- “Strengthening the ASEAN-centric multilateral security architecture”, East Asia Forum, 7 January 2020
- “Moving ASEAN Toward Sustainable Defense Cooperation”, The Diplomat, 17 July 2019
- “South Korea steps up on the Korean Peninsula”, East Asia Forum, 12 January 2019
- “Could Minilateralism Be Multilateralism’s Best Hope in the Asia Pacific?”, The Diplomat, 15 December 2018
- Huan, Amanda, and Sarah Teo. "ASEAN 2018: Towards Resilience and Innovation in Uncertain Times." Thinking ASEAN, issue 32, February 2018. Jakarta: The Habibie Center.
- Teo, Sarah. "Debating ‘rules’, ‘order’ and ‘peace’ in the Asia-Pacific." Defense Advisers, 30 June 2017. https://www.defenseadvisers.com/general/debating-rules-order-peace-asia-pacific.
- Teo, Sarah. "Debating ‘rules’, ‘order’ and ‘peace’ in the Asia–Pacific." The Strategist, 28 June 2017. www.aspistrategist.org.au/debating-rules-order-peace-asia-pacific.
- Singh, Bhubhindar, and Sarah Teo. “ASEAN has an instrumental role in US-China power play." Channel NewsAsia, 8 May 2017. http://www.channelnewsasia.com/news/asiapacific/commentary-asean-has-an-instrumental-role-in-us-china-power-play-8826380.
- Ho, Shawn, and Sarah Teo. “After the ASEAN Summit, ASEAN should pay more attention to the North Korea threat.” Channel NewsAsia, 1 May 2017. http://www.channelnewsasia.com/news/asiapacific/commentary-after-the-asean-summit-asean-should-pay-more-8808228.
- Teo, Sarah. “The Strengths and Weaknesses of Asia’s 2 Major Defense Meetings.” The Diplomat, 21 March 2017. http://thediplomat.com/2017/03/the-strengths-and-weaknesses-of-asias-2-major-defense-meetings.
- Singh, Bhubhindar, Sarah Teo, and Benjamin Ho. "Sino-Japanese Competition and ASEAN." Australian Outlook, 9 January 2017. http://www.internationalaffairs.org.au/australian_outlook/sino-japanese-competition-and-asean.
- Teo, Sarah. "S Korea stuck between global ambitions and regional realities." Today, 11 August 2016. http://www.todayonline.com/commentary/s-korea-stuck-between-global-ambitions-and-regional-realities.
- Teo, Sarah. "South Korea stuck between global ambitions and regional realities", East Asia Forum, 9 Aug 2016.
- Teo, Sarah. Book review of North Korea-US Relations under Kim Jong Il: The Quest for Normalization? By Ramon Pacheco Pardo (Abingdon and New York: Routledge, 2014). Pacific Affairs 89, no. 1 (2016): 191-193.
- Sarah Teo, "ADMM-dialogue partners informal meetings as a source of regional stability", PacNet # 82, Pacific Forum (CSIS), 25 February 2016.
- Sarah Teo, "What does the China–Japan–South Korea Trilateral Summit mean for East Asia?", East Asia Forum, 27 November 2015.
- Teo, Sarah. “Asian Powers Hold Renewed Talks: A New Start or Same Old?” The Diplomatist, April 2015. New Delhi: L.B. Associates (Pvt) Ltd.
- Ho, Benjamin, Bhubhindar Singh, and Sarah Teo. "ASEAN Chairmanship in 2015: Perspectives and Prospects", Asia Pacific Bulletin, No. 298, 13 January 2015, http://www.eastwestcenter.org/publications/malaysia%E2%80%99s-asean-chairmanship-in-2015-perspectives-and-prospects.
- Teo, Sarah. "Seoul searching for a China–Japan diplomatic balance." East Asia Forum, December 13, 2014. http://www.eastasiaforum.org/2014/12/13/seoul-searching-for-a-china-japan-diplomatic-balance/.
- “South Korea’s Foreign Policy in 2013: Building Trust in East Asia”, E-International Relations, 6 February 2014
- Teo, Sarah. "Rocket launch offers an opportunity to cooperate." The Nation, December 19, 2012. Accessed May 25, 2014. http://www.nationmultimedia.com/opinion/Rocket-launch-offers-an-opportunity-to-cooperate-30196361.html.
- Teo, Sarah. "N. Korean rocket launch could unite neighbours." The Straits Times, December 14, 2012.
- Teo, Sarah. "North Korea: Regime reform or just Cosmetic Change?" Lianhe Zaobao, August 2, 2012.
- Teo, Sarah. "North Korea: Regime reform or just Cosmetic Change?" The Nation, July 31, 2012. Accessed May 25, 2014. http://www.nationmultimedia.com/opinion/North-Korea-Regime-reform-or-just-cosmetic-change-30187282.html.
- Speaker, Engaging the Eagle Podcast on “Seeking Centrality – U.S.-ASEAN Ties in 2023”, hosted by United States Programme, IDSS, RSIS, 28 September 2023.
- Speaker, Panel on “The evolution of Indo-Pacific”, 36th Asia-Pacific Roundtable, organised by Institute of Strategic & International Studies (ISIS) Malaysia, 8-10 August 2023.
- Speaker, Panel on “Making and Maintaining International Order: What Asians Want”, LKYSPP Festival of Ideas, organised by Lee Kuan Yew School of Public Policy, 10 October 2022.
- Speaker, 35th Asia-Pacific Roundtable on “Impact of Major Power Minilateralism on ASEAN’s Multilateralism”, organised by Institute of Strategic & International Studies (ISIS) Malaysia, 5-7 July 2022.
- Speaker, Brookings Webinar on “South Korea’s role in the Indo-Pacific: Opportunities and challenges under the Yoon administration”, organised by The Brookings Institution, 18 May 2022.
- Speaker, Virtual Panel Discussion on “Re-imagining multilateralism and rules-based order”, ANU Crawford Leadership Forum, organised by Australian National University, 6-7 September 2021
- Speaker, Virtual Panel Discussion on “The Australia-US Alliance: Views from the Region”, organised by the United States Studies Center, 20 August 2021
- Speaker, The Katipunan Dialogue Podcast on “Regional Crisis Management: Multilateralism”, hosted by Strategic Studies Program, Center for Integrative and Development Studies, University of the Philippines, 23 July 2021
- Speaker, Podcast on “The grey zone, hybrid war, and minilateralism”, by ANU National Security College Futures Hub, 17 June 2021
- IR6001 – The Study of International Relations
- IR6042 – ASEAN and the Security Architecture in Asia
Last updated on 04/10/2023