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Pieter D. Wezeman

Senior Researcher

Pieter D. Wezeman

Pieter Wezeman

Pieter D. Wezeman is a Senior Researcher in the SIPRI Arms Transfers Programme. Within his overall objectives of contributing to the understanding of the effect armament dynamics have on peace and conflict and supporting arms control and disarmament efforts, his main areas of expertise include the global production and proliferation of arms and other military technology and trends and patterns in military expenditure. Currently his regional focus is mainly on the Middle East, the USA and Northern Europe. Multilateral arms embargoes and international transparency in armaments are amongst the key thematic issues he works on.

Pieter started at SIPRI in 1994, worked in 2003–2006 as a Senior Analyst at the Dutch Ministry of Defence on issues related to the proliferation of conventional and nuclear weapons, and returned to SIPRI in 2006. In 2017 he was the Technical Expert for the Group of Governmental Experts that reviewed the UN Report on Military Expenditure.

Subject expertise

Arms flows to and arms procurement and military expenditure in the Middle East and North Africa; European and US military expenditure, arms industry and arms exports; the global arms trade; proliferation of missiles and other long range strike systems; arms embargoes; small arms and light weapons; government and multilateral transparency in armament issues; methodology of measuring armament developments.

Regional expertise

Middle East, Northern Europe, North America

Dutch, English, Swedish, German

MA in Political Science (International Relations/Peace Studies), Radboud University, Nijmegen, the Netherlands

External publications
  • Wezeman, P. D., 'International arms flows: monitoring, sources and obstacles', Clingendael Report, Jan. 2018
  • Wezeman, P. D., 'Arms exports and developments in the Middle East’ and ‘Improvised Explosive Devices', in Literature review for the Policy and Operations Evaluations Department of the Dutch Ministry of Foreign Affairs, Aug. 2017 
  • Wezeman,P.D., (lead author) Industrial analysis of CDP priority actions in the field of protection of forces in theatre, C-IED and C-CBRNE capabilities, European Defence Agency, 2016
  • Wezeman, P. D., Conventional strategic military capabilities in the Middle East, in: WMD Arms Control in the Middle East, Ashgate, 2015
  • Gill, B., and Wezeman, P. D., 'Halte au cynicisme! Il faut un commerce des armes plus responsable' [Stop the cynicism! We need a more responsible arms trade], Le Monde, 20 Apr. 2011
  • Holtom, P., and Wezeman, P. D., 'Arms exports to Sudan', Written evidence submitted for the UK House of Lords’ EU Sub-Committee on Foreign Affairs, Defence and Development Policy inquiry into the European Union’s Conflict Prevention Role in Sudan, Mar. 2011