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OrganizationPublished on 1 December 2025

International Affairs Division

The International Affairs Division is responsible for Switzerland's international environmental policy. It thus forms part of the country's foreign policy system and is led by the Swiss Environmental Ambassador. The Division coordinates and develops Switzerland's political and strategic positions on international environmental questions and manages international negotiations and processes in this area. Of particular importance is the direct involvement of the FOEN's scientific and technical expertise. International Affairs therefore cooperates closely with the other FOEN Divisions and with other relevant federal authorities.

Tasks and topics

The division is responsible for the topic:

Topic International affairs

Management

Felix Wertli
Position: Ambassador for the Environment, head of division
Martine Rohn-Brossard
Position: deputy head of division, head of section Europe and international economy

Tschirren Michel
Postion:
head of section Global Affairs

Gabriela Blatter
Position: head of section International climate and biodiversity policy

International Affairs Division

Federal Office for the Environment FOEN
International Affairs Division
Mühlestrasse 2
3063 Ittigen