Jacob Werksman
Principal Adviser, European Commission, DG CLIMA
Jacob Werksman has, since 2012, served as Principal Adviser to Directorate General for Climate Action in the European Commission, where his work focuses on the international aspects of European climate policy. He is Head of Delegation for the European Union to the Paris Agreement and the UN Framework Convention on Climate Change and advises and represents the Commission on the relationship between climate policy and other areas of international law and policy. He supports the EU Commissioner for Climate Action and the European External Action Service in multilateral negotiations and in strengthening bilateral relationships between the EU, major economies and other international partners.
Werksman is an international lawyer, specializing in international environmental law and international economic law. Prior joining the Commission, he provided legal and policy advice to developed and developing country governments, NGOs and international institutions in the context of the multilateral negotiations on climate change, biosafety and trade. He has taught and published widely on the international legal dimensions of climate policy, including on the design of compliance mechanisms, climate finance and on the relationship between carbon markets and international trade and investment agreements.
Werksman is currently visiting professor at the Fletcher School of Law and Diplomacy, and has lectured in international environmental and economic law at the masters level at New York University Law School, Georgetown University Law Center, and at the School of Oriental and African Studies and University College at the University of London. Prior to joining the Commission, he held posts at the World Resources Institute, the Rockefeller Foundation, United Nations Development Programme, and the Foundation for International Environmental Law and Development (FIELD) in London. Werksman holds degrees from Columbia University (A.B.), the University of Michigan (J.D.) and the University of London (LL M.).
Featured work
Europe’s green global reach
How should the EU’s global green agenda evolve to balance decarbonisation, competitiveness, and strategic autonomy?
All work
Event
04 November 2025
Preparing for COP30: issues at stake, metrics of success, and Europe’s role
Disclaimer: The first 20 minutes of the recording are without sound due to a technical issue. We apologise for the inconvenience.
Podcast
02 October 2024
Europe’s green global reach
How should the EU’s global green agenda evolve to balance decarbonisation, competitiveness, and strategic autonomy?
Event
27 June 2024
Re-energising Europe’s global green reach
At this event, we discussed how the EU’s global green agenda should evolve to balance decarbonisation, competitiveness, and strategic autonomy.
Event
28 September 2022
Scoping the challenges for transatlantic climate and trade cooperation
What is the scope for transatlantic cooperation on CBAM legislation, Climate Clubs, and 'green' subsidies?