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25.02.2026

Fishheart Oy Ltd. Strengthens Administration and European Sales to Support Growth

Fishheart Oy Ltd. has strengthened its organization with new Business Controller and Sales Director Europe positions.

These appointments support Fishheart’s growth and international expansion and further enhance the company’s capabilities to deliver impactful solutions that secure fish migration and restore biodiversity in modified water systems.


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Tomi Lammassaari Appointed Business Controller

Fishheart Oy Ltd. has appointed Tomi Lammassaari as Business Controller. In his role, Lammassaari will be responsible for developing financial management and reporting, analytics, and supporting business decision-making as the company continues to grow and expand internationally.

Lammassaari has a strong background in financial management and reporting, as well as experience in financial analytics, forecasting, and development work in growing organizations. He also has expertise in sustainability and ESG-related financial reporting. Lammassaari holds a Master’s degree in Finance.

 

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Marko Virtanen Appointed Sales Director Europe

Fishheart Oy Ltd. has appointed Marko Virtanen as Sales Director Europe to lead sales growth and customer development across Europe. In his role, Virtanen will also lead Fishheart’s European agent network and develop partnerships across different European markets.

Virtanen has extensive experience in international technology sales and industrial projects. After a long export career, he wanted to direct his expertise toward solutions aligned with his personal values — solutions that have a concrete, positive impact on restoring biodiversity. In his role, Virtanen focuses on helping hydropower operators implement sustainable and effective fish migration routes.

 

CEO Marko Karsikko: Strengthening Scalable Growth

Marko Karsikko, CEO of Fishheart Oy Ltd., emphasizes the importance of these appointments for the company’s growth and international expansion:

“From the perspective of Fishheart’s growth and internationalization, it is essential to strengthen both financial management and sales in Europe. Tomi Lammassaari’s role as Business Controller improves the quality of decision-making and brings greater predictability to scalable operations. Marko Virtanen’s appointment strengthens our ability to develop customer relationships and partnerships in Europe and to lead our agent network in a goal-oriented manner. With these appointments, we ensure that we can deliver impactful solutions that reconcile hydropower production with biodiversity restoration.”

 

For further information:

Marko Karsikko
CEO
+358 50 467 2773

Minna Toivonen
HR & Communication Manager
+358 50 339 9087

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