SIPRI Yearbook 2023
About the authors
Ana Carolina de Oliveira Assis (Brazil) is a Guest Researcher in the SIPRI Military Expenditure and Arms Production Programme. Her research interests are the drivers of military equipment spending, the arms industry, military expenditure and naval weapons procurement.
Dr Lucie Béraud-Sudreau (France) is the Director of the SIPRI Military Expenditure and Arms Production Programme, where her work focuses on the dynamics and implications of global military spending, arms production and transfers. Previously, she was a Research Fellow for Defence Economics and Procurements at the International Institute for Strategic Studies (IISS).
Dr Vincent Boulanin (France/Sweden) is the Director of the SIPRI Governance of Artificial Intelligence Programme. His work focuses on issues related to the development, use and control of autonomy in weapon systems and military applications of artificial intelligence. He regularly presents his work to and engages with governments, United Nations bodies, international organizations and the media.
Kolja Brockmann (Germany) is a Senior Researcher in the SIPRI Dual-use and Arms Trade Control Programme. He conducts research in the fields of export control, non-proliferation and technology governance. He focuses on the multilateral export control regimes, controls on emerging technologies, particularly additive manufacturing, and missile and space launch technology.
Mark Bromley (United Kingdom/Sweden) is a Senior Researcher in the SIPRI Dual-use and Arms Trade Control Programme, where his work focuses on national, regional and international efforts to regulate the international trade in conventional arms and dual-use items. Previously, he was a Policy Analyst for the British American Security Information Council (BASIC).
Dr Marina Caparini (Canada) is a Senior Researcher at the United Nations University Centre for Policy Research (UNU-CPR) and former Director of the SIPRI Governance and Society Programme. Her current research focuses on multilateral responses to transnational organized crime, and Chinese and Russian private military and security companies in Africa.
Anastasia Cucino (Italy) was an intern in the SIPRI Military Expenditure and Arms Production Programme. She assisted the team with collecting and analysing data for projects relating to military spending and the arms industry, including SIPRI’s Top 100 Arms-producing and Military Services Companies and SIPRI’s Military Expenditure Database.
Dr Ian Davis (United Kingdom) is the Executive Editor of the SIPRI Yearbook and an Associate Senior Fellow within Conflict and Peace at SIPRI. In 2014–16 he was the Director of SIPRI’s Editorial and Publications Department.
Dr Tytti Erästö (Finland) is a Senior Researcher in the SIPRI Weapons of Mass Destruction Programme. Her research interests include the role of ‘nuclear umbrella states’ in the global nuclear order, arms control and strategic stability dynamics among China, Russia and the USA, the Iran nuclear deal and the global disarmament and non-proliferation regime more generally.
Vitaly Fedchenko (Russia) is a Senior Researcher in the SIPRI Weapons of Mass Destruction Programme, where he is responsible for nuclear security issues and the political, technological and educational dimensions of nuclear arms control and non-proliferation. He is the author or co-author of multiple publications on nuclear forensics, nuclear security and nuclear non-proliferation, including The New Nuclear Forensics (Oxford University Press, 2015).
Richard Gowan (United Kingdom) is the United Nations Director for the International Crisis Group. He is also an Associate Senior Policy Fellow at the European Council on Foreign Relations.
Lauriane Héau (France) is a Research Assistant in the SIPRI Dual-use and Arms Trade Control Programme. She undertakes research focused on dual-use export controls in the Middle East, risks of diversion and misuse following arms exports, and developments within the multilateral export control regimes. She also follows cooperation and assistance activities linked to the Arms Trade Treaty.
Dr Una Jakob (Germany) is a Senior Researcher in the International Security research department and Head of the Research Group on Biological and Chemical Weapons Control at the Peace Research Institute Frankfurt (PRIF). Her research interests include the disarmament and non-proliferation of chemical and biological weapons.
Matt Korda (Canada) is an Associate Researcher with the SIPRI Nuclear Disarmament, Arms Control and Non-proliferation Programme, and a Senior Research Associate and Project Manager with the Nuclear Information Project at the Federation of American Scientists (FAS).
Hans M. Kristensen (Denmark) is the Director of the Nuclear Information Project at the Federation of American Scientists (FAS) in Washington, DC, and a SIPRI Associate Senior Fellow.
Dr Moritz Kütt (Germany) is a Senior Researcher at the Institute for Peace Research and Security Policy at the University of Hamburg and a Visiting Research Fellow with Princeton University’s Program on Science and Global Security. With his research, he aims to provide the technical basis for nuclear disarmament.
Dr Filippa Lentzos (Norway) is a Reader (Associate Professor) in Science & International Security at King’s College London, where she is jointly appointed in the Department of War Studies and the Department of Global Health & Social Medicine.
Xiao Liang (China) is a Research Assistant in the SIPRI Military Expenditure and Arms Production Programme. He collects and analyses data on military spending and the arms industry. His research areas cover the opportunity costs and reduction of military spending, the relationship between military aid and development assistance, and regional trends in the Asia-Pacific.
Madison Lipson (United States) was an intern in the SIPRI Military Expenditure and Arms Production Programme. She assisted the team with collecting data for projects relating to the defence sector and space, and for SIPRI’s Top 100 Arms-producing and Military Services Companies.
Dr Diego Lopes da Silva (Brazil) is a Senior Researcher in the SIPRI Military Expenditure and Arms Production Programme. He holds a PhD in peace, defence and international security studies from São Paulo State University. His research focuses on the interplay between political institutions and military spending.
Dr Sorcha MacLeod (United Kingdom) is an Associate Professor in the Faculty of Law at the University of Copenhagen, specializing in human rights and international humanitarian law issues around private military and security companies and mercenaries. She is also an independent human rights expert in the United Nations Working Group on the Use of Mercenaries.
Dr Iryna Maksymenko (Ukraine) is a Senior Researcher at the Odesa Center for Nonproliferation (OdCNP), and an Associate Professor in the Department of International Relations at Odesa I.I. Mechnikov National University. Her research focuses on European security and stability, and Ukraine and regional security, in particular the Black Sea and Eastern Europe.
Giovanna Maletta (Italy) is a Senior Researcher and Acting Director in the SIPRI Dual-use and Arms Trade Control Programme. Her research covers issues related to the implementation of international and regional instruments in the field of arms export controls, with a particular focus on the Arms Trade Treaty and the European Union and its member states.
Dr Zia Mian (United States) is the Co-Director of the Program on Science and Global Security at Princeton University’s School of Public and International Affairs. A physicist, his work focuses on nuclear weapon non-proliferation, arms control and disarmament, and nuclear energy issues.
Dr Claudia Pfeifer Cruz (Brazil) is a Researcher in the SIPRI Peace Operations and Conflict Management Programme. Her research focuses on data and trends in peace operations, and the role of human rights in peace operations—particularly United Nations peace operations. She also maintains SIPRI’s database on multilateral peace operations.
Dr Pavel Podvig (Russia) is a Researcher in the Program on Science and Global Security at Princeton University and a Senior Researcher at the United Nations Institute for Disarmament Research (UNIDIR).
Nivedita Raju (India) is a Researcher in the SIPRI Weapons of Mass Destruction Programme. Her research focus is space security. On behalf of SIPRI, she also coordinates research activities in the EU Non-Proliferation and Disarmament Consortium. She was previously a Research Fellow at Open Lunar Foundation and a Research Assistant at McGill University’s Institute of Air and Space Law.
Dr Lora Saalman (United States) is a Senior Researcher within SIPRI’s Armament and Disarmament, and Conflict, Peace and Security research areas. She also serves as a Member of the Committee on International Security and Arms Control (CISAC) and as an Adjunct Senior Fellow at the East–West Center.
Lorenzo Scarazzato (Italy) is a Research Assistant in the SIPRI Military Expenditure and Arms Production Programme. His research is mostly focused on the European arms industry. He collects and analyses data to support SIPRI publications and externally funded projects.
Dr Polina Sinovets (Ukraine) is the Head of the Odesa Center for Nonproliferation (OdCNP) at Odesa I.I. Mechnikov National University (ONU). She also works as an Associate Professor in the Faculty of International Relations, Political Science and Sociology at ONU. Her subject expertise is nuclear deterrence and arms control, states’ nuclear policy, and nuclear security.
Timo Smit (Netherlands/Sweden) is a Senior Researcher in the SIPRI Peace Operations and Conflict Management Programme. He contributes to the maintenance of the SIPRI Database on Multilateral Peace Operations and conducts research on trends in peace operations and crisis management missions, in particular those conducted in the framework of the European Union’s Common Security and Defence Policy (CSDP).
Dan Smith (Sweden/United Kingdom) is the Director of SIPRI. He has a long record of research and publication on a wide range of conflict and peace issues. His current work focuses on the relationship between ecological disruption and insecurity, on peace and security issues in the Middle East and North East Asia, and on global conflict trends.
Dr Ori Swed (Israel) is an Assistant Professor in the Sociology Department at Texas Tech University. He is also the Director of the Peace, War, & Social Conflict Laboratory, where he leads multiple research projects on new technologies and emerging security threats. His research focuses on the role of violent non-state actors in contemporary conflict settings, among them private military and security contractors and mercenaries.
Dr Nan Tian (South Africa) is a Senior Researcher in the SIPRI Military Expenditure and Arms Production Programme, where he leads the Military Expenditure Project. His research interests focus on the causes and impact of military expenditure and civil conflict, and the issues relating to transparency and accountability in military budgeting, spending and procurement.
Sanem Topal (Türkiye) was an EU Non-Proliferation and Disarmament Consortium intern in the SIPRI Military Expenditure and Arms Production Programme. Her work focused on collecting data for projects relating to the defence sector, such as military spending and SIPRI’s Top 100 Arms-producing and Military Services Companies. She is a master’s student of international relations at Bilkent University in Ankara.
Dr Wilfred Wan (United States) is the Director of the SIPRI Weapons of Mass Destruction Programme. His recent research focuses on nuclear weapon risk reduction, nuclear disarmament verification, and other issues related to arms control and disarmament. He is the author of Regional Pathways to Nuclear Nonproliferation (University of Georgia Press, 2018).
Pieter D. Wezeman (Netherlands/Sweden) is a Senior Researcher in the SIPRI Arms Transfers Programme. His recent research has focused on global trends in arms transfers, arms industry, small arms proliferation in Africa, transparency in armaments and multilateral arms embargoes.
Siemon T. Wezeman (Netherlands) is a Senior Researcher in the SIPRI Arms Transfers Programme. His areas of research include the monitoring of arms transfers and the use of weapons in conflicts, transparency in arms transfers, and the development of conventional military technologies and doctrines.
- Citation (MLA):
- Stockholm International Peace Research Institute. "." SIPRI Yearbook. SIPRI. Oxford: Oxford University Press. 2016. Web. 13 May. 2025. <https://www.sipriyearbook.org/view/9780198890720/sipri-9780198890720-miscMatter-104.xml>.
- Citation (APA):
- Stockholm International Peace Research Institute (2016). . In SIPRI, SIPRI Yearbook 2023: Armaments, Disarmament and International Security. Oxford: Oxford University Press. Retrieved 13 May. 2025, from https://www.sipriyearbook.org/view/9780198890720/sipri-9780198890720-miscMatter-104.xml
- Citation (Chicago):
- Stockholm International Peace Research Institute. "." In SIPRI Yearbook 2023: Armaments, Disarmament and International Security, SIPRI. (Oxford: Oxford University Press, 2016). Retrieved 13 May. 2025, from https://www.sipriyearbook.org/view/9780198890720/sipri-9780198890720-miscMatter-104.xml
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