Marta Kos

Responsibilities

Marta Kos is the Commissioner for Enlargement. She drives the European Union’s enlargement process forward and develops the EU’s relations with countries in the region, including in the Western Balkans, Ukraine and Moldova.

She is responsible for:

• working with candidate and potential candidate countries on their merits-based path to join the EU, by supporting the required structural reforms, their respect for the rule of law and fundamental values, and strengthening their resilience and preparedness
• leading the Commission’s continued support of Ukraine, in particular efforts on Ukraine’s reconstruction and accession
• continuing exchanges with Türkiye to improve cooperation on political, economic and trade matters
• coming up with a Black Sea Strategy, together with the High Representative/Vice-President
• supporting the countries of the Southern Caucasus, in particular on regional connectivity

Read more about EU solidarity with Ukraine and relations with the EU’s neighbourhood.

See all

Transparency

Meetings and missions

As part of the Commission's commitment to transparency, Commissioners and their Cabinet members publish information on and minutes of all meetings they hold with interest representatives. Every two months, they also publish an overview of mission expenses.

• Meetings with Commissioner Kos
• Meetings with Commissioner Kos's Cabinet members
• Missions of Commissioner Kos

European Parliament hearings

Read Commissioner Kos's answers to the European Parliament questionnaire.

Declaration of interests

In line with the Commission's Code of Conduct for Members of the Commission, each Member of the Commission publishes a declaration of interests. The declarations of the Commissioners-designate can be found on the European Parliament’s website, where they were published before the confirmation hearings of the Commissioners.

The declarations of interests of the new Members of the Commission will be updated and published here at the beginning of 2025 in line with Article 3 of the Code of Conduct for the Members of the European Commission. Machine-readable versions of all declarations will also be made available in line with the requirements of the Code of Conduct. The declarations of interests follow the requirements set out in Article 3 and Annex 1 of the Code of Conduct for Commissioners.