In this article, Vanessa Newby, assistant professor at the Institute of Security and Global Affairs, discusses credibility in peace operations. This article argues that credibility in peace operations must be built for both deterrence and cooperation purposes.

In this book, Vanessa Newby provides the first detailed examination of credibility’s essential place in peacekeeping.

Niels van Willigen (Institute of Political Science, Leiden University) puts Dutch participation in UN peacekeeping into an historical context. He analyses the reasons for the Dutch withdrawal from the 1990s onwards, and explores the obstacles and opportunities for a structural return. Van Willigen argues…

Gender sidestreaming? Analysing gender mainstreaming in national militaries and international peacekeeping

Tom Buitelaar is an Assistant Professor in the War, Peace & Justice programme of the Institute of Security and Global Affairs. This paper discusses four important challenges to the involvement of UN peace operations in international criminal justice: its effects on host state relations, peace and justice…

Can international organisations be held responsible for violations of international law by peacekeepers in a peacekeeping operation?

“United Nations peacekeeping is a proven investment in global peace, security, and prosperity. Together, let us pledge to do all we can to enable that mission to succeed”. – Secretary-General António Guterres

Twenty years after the passing of Resolution 1325, the participation of women as military personnel in peacekeeping operations remains limited. Women currently comprise just under five per cent of military personnel in UN peacekeeping missions, and the UN consistently calls for more.

Tom Buitelaar assesses how 'agency' is addressed in peacekeeping studies and identifies gaps.

Buitelaar argues that IOs micro-level discourse adapts imperfectly to macro-level changes, balancing adaptation to pressures with commitment to values.

As an interdisciplinary institute in the field of Security Studies, the Institute of Security and Global Affairs (ISGA) covers various topics in its research, one of which is the United Nations and the impact of this global organization in the world.

Associate Professor Salvador Santino Regilme discusses the recent launch of the Board for Peace by President Donald Trump in the Portuguese newspaper Expresso.

From 1967 to 1982, the United Nations undertook several peacekeeping operations in the Middle East. In his thesis from the Institute for History, Diego Salama examines how these operations were connected and their impact on the region.

On Thursday 6 May 2021, alumni of the Bachelor Security Studies (BaSS) and the Master Crisis and Security Management (CSM) were gathered in an online event arranged by the Institute of Security and Global Affairs and the study association L.S.A. Custodia.

In this article, Tom Buitelaar proposes a systematic framework for analyzing the impact of individual characteristics of peacekeeping leaders on the behaviour of field-level personnel in UN peacekeeping operations.

On 8 March 2021, International Women’s Day, Vanessa Newby was a panelist at the online discussion ‘Breaking Barriers – Women in Peacekeeping’, organized by A4P WPS Champions Ireland, Germany, South Africa and Bangladesh together with UNSCR 1325 architect, Namibia.

Adopting a largely chronological approach, Gerrits links the historiography of post-war Europe and the major theoretical approaches to nationalism with analysis of key historical developments and events.

Leila Zerrougui (born in Algeria 1956) is a legal expert on human rights, justice, and rule of law. She is the current Special Representative of the Secretary-General and Head of the United Nations Stabilization Mission in the Democratic Republic of the Congo (MONUSCO). Before she was Special Representative…

Tom Buitelaar is an Assistant Professor in the War, Peace & Justice program of the Institute of Security and Global Affairs. This paper suggests a number of important avenues for states, the UN, and the ICC to improve the likelihood that the ICC receives assistance from UN peace operations.

Book presentation

This research project focuses on the development of a popular national agency in late nineteenth century Amsterdam and the question how ‘ordinary’ citizens imagined ‘the Netherlands’ through the experience and use of their urban surroundings.

National parochialism is the tendency to cooperate more with ingroup than outgroup members. Angelo Romano, Matthias Sutter, James Liu, Toshio Yamagishi & Daniel Balliet studied national parochialism across different nations and conclude in their publication in Nature Communications that it is a ubiquitous…

The peacekeeping operation in Cambodia is known as an important and rare success. Yet the mission was forced to violate the core principle of peacekeeping, impartiality, in order to be successful.

A global perspective on the nature and evolution of nationalism, from the early modern era to the present.

Honorata Mazepus and Jaroslaw Kantorowicz are assistant professors at the Institute of Security and Global Affairs. Mazepus and Kantorowicz are one of the authors of this article in Nature on the role of national identity on public health support during global pandemics.

global challenges and possibilities

A new paper written by Jolien van Breen, Soledad de Lemus, Russell Spears & Toon Kuppens in the British Journal of Social Pscychology examines the impact of the 2008-2012 financial crisis on national identity in Spain.

This PhD project investigates how nationalist ideas are expressed, shaped, and negotiated in Moroccan Malhun poetry in the nineteenth and twentieth centuries.

The Role of Law in Libya’s National Reconciliation (RoLLNaR) was a research project that ran from 2017 to 2020. It identified and assessed the role of law – both actual and potential, enabling and constraining – with regard to major challenges of reconciliation in Libya. The project was led by Dr. Suliman…

Madeleine O. Hosli, Professor of International Relations, wrote this book in which she analyses the complex relations between the European Union (EU) as a regional organization and the United Nations (UN) as an international, global governance institution.

Bert Koenders, professor of Peace, Law and Security at the Institute of Security and Global Affairs, has been appointed chairman of the Advisory Council on International Affairs (AIV), or foreign policy.

What is nationalism and how can we study it from a historical perspective? Writing the History of Nationalism answers this question by examining eleven historical approaches to nationalism studies in theory and practice.

From 1 August 2018, Alanna O'Malley was appointed as Chair of United Nations Studies in Peace and Justice, focusing on the ‘lesser-known actors’ of the UN: women, the youth, the agents of informal diplomatic networks within the UN and actors from the Global South. This Special Chair has been created…

This paper examines cyber intelligence in the context of national and international security.

In the track Intelligence and National Security you will be introduced to intelligence and security services in their political, societal, and bureaucratic contexts. The track will give you a thorough understanding of the modus operandi of these agencies, their interaction with the surrounding world,…

In 2019, Aliaksandr Lukashenka marks a quarter of a century as the first, and so far only president of the Republic of Belarus. This new book by Dr. Matthew Frear, Assistant Professor of Russian and Eurasian Studies, offers the most up-to-date analysis of government and politics in a country usually…

Political Science: National and International Politics is a broad study with a lot of depth. You will study political issues at the local, national and international levels, from a variety of perspectives. You will be taught by renowned, committed professors. In Leiden you will find a real student city…

On 22 November, Tom Buitelaar, Assistant Professor at the Institute of Security and Global Affairs, presents his new book ‘Assisting International Justice’. Five questions to Buitelaar about the book and the book presentation.

How do videos, movies and documentaries dedicated to indigenous communities transform the media landscape of South Asia? Based on extensive original research, this book examines how in South Asia popular music videos, activist political clips, movies and documentaries about, by and for indigenous communities…

The main aim of this project is to reveal and unravel the invisible histories of the UN, transcending the dominant Western perspective to recover the historical agency of Global South actors. The research will investigate how the UN has both facilitated and limited their role in shaping global order…

Dutch knowledge institutions are taking steps to recognise and reward open science. On 13 December, the Open Science NL Steering Board approved a total of 1.2 million euros in grants to 23 institutions. The Centre for Science and Technology Studies (CWTS) leads the national coordination of the local…

What is the optimal investment policy according to which a firm adapts its capacity in a competitive market?

On Tuesday 19 March Major General (ret) Patrick Cammaert gave a guest lecture about peacekeeping to the students from Leiden University Faculty of Governance and Global Affairs. The lecture was made possible by the Institute of Security and Global Affairs (ISGA).