Marie Jacobsson

Ambassador Marie Jacobsson is the Principal Legal Adviser on International Law at the Swedish Ministry for Foreign Affairs.

Her work focuses on matters of international peace and security. She has extensive experience of high-level multilateral and bilateral negotiations in the areas of international humanitarian law, the law of the sea, international environmental law, boundary delimitation and regional security.

Jacobsson was a member of the UN International Law Commission 2007–2016 and Special Rapporteur for the topic Protection of the Environment in Relation to Armed Conflicts. She is a member of the Permanent Court of Arbitration, arbitrator under the UN Convention on the Law of the Sea, arbitrator under the Protocol on Environmental Protection to the Antarctic Treaty and Alternate Arbitrator ofthe Court of Conciliation and Arbitration within the OSCE, the Organization for Security and Cooperation in Europe.

Jacobsson has also worked as a Security Policy Analyst at the Swedish Armed Forces.

Topical expertise

  • Gender aspects of international law
  • Dispute settlement
  • International cooperation
  • UN law
  • International humanitarian law
  • International environmental law
  • The law of the sea
  • Boundary delimitation and regional security


  • Swedish
  • English


New research for more effective peace mediation

How can peace mediation as a tool be used more effectively to prevent, manage, and resolve conflicts? A new research brief series presents new perspectives and recommendations on this topic, offering a deeper understanding of the complexity of peace mediation.

2023-12-07 09:55

On international deployment

Read our publications

Closing the Governance Gap to Achieve Climate Security

This brief aims to give an overview of climate security and governance, drawn from existing research and based on experiences from the work of the Folke Bernadotte Academy (FBA). The brief is centered around the discussion in overcoming governance gaps to achieve climate security in the context of peacebuildning.

Department for Governance


FBA has both increased and adapted its work in Ukraine in the wake of Russia's invasion.

The War in Ukraine – How FBA is Assisting

FBA has both increased and adapted its work in Ukraine in the wake of Russia's invasion.

FBA in Ukraine
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FBA is part of Sweden’s development aid within the area of peace and security

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