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SEI Tallinn carries out applied research, stakeholder engagement and capacity building in the Baltic Sea Region and the EU. Areas of expertise include environmental governance, policy impact assessment, nature conservation, urban biodiversity, climate adaptation, renewable energy, transport, resource efficiency, waste management, sustainable development indicators, valuation of ecosystem services, water resources management and analysis of market-based instruments.

Until 2016, SEI Tallinn used the parallel name of Estonian Institute for Sustainable Development.


Lauri Tammiste

Centre Director

SEI Tallinn

Johanna Lehtmets

Communications Manager


SEI Tallinn

Stockholm Environment Institute Tallinn Centre (SEI Tallinn)

General questions: [email protected]
Phone: +372 6 276 100
Address: Arsenal Centre, Erika 14, 10416 Tallinn, Estonia
Registry code: 90000966

Map to SEI Tallinn

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Organizational chart


SEI Tallinn Supervisory Board

The Supervisory Board confirms the strategic activities of SEI Tallinn, organises the management of SEI Tallinn and supervises the performance of the Management Board.

SEI Tallinn Supervisory Board members:

  • Måns Nilsson, Executive Director, Stockholm Environment Institute
  • Kaja Tael, Estonia’s Special Envoy for Climate and Energy Policy
  • Linnar Viik, Estonian Information Technology Scientist and Entrepreneur

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