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Manage­ment team

Kari Vyhti­nen (b. 1971)

CEO since March 2022



  • M.Sc. (Technology), mineral processing, Helsinki University of Technology. Executive MBA, Aalto University



  • November 2019 – February 2022: EVP, New Business, Nordkalk Oy
  • January 2017 – November 2019: COO, Nordkalk Oy.
  • Several leadership positions in the mining industry over the past 15 years.
  • Kari has broad and varied experience in efficiency improvement programmes, large capital projects and business development, including M&A.

Minni Lempi­nen (b. 1985)

Acting CFO since June 2023
Group Business Controller 2022-2023


Education: M.Sc. (Econ.), Aalto University


Experience: Extensive experience in financial management, reporting and control as well as industry expertise in the mining industry.



Seppo Tuovi­nen (b. 1971)

General Manager, Endomines Oy General Manager, Endomines Finland, since June 2019; President, Endomines LLC, 2018–2019. General Manager, Endomines (Finland) Oy and Kalvinit Oy 2017–2018; Interim CEO, Endomines Finland Plc, October 2021 – February 2022.



  • M.Sc. (Technology), mining, Helsinki University of Technology. MBA, Henley Management College, UK.



  • 15 years of experience in mining and mine development projects at Outokumpu Mining Oy, Talvivaara Sotkamo Oy, Altona Mining Oy and Kinross in Finland, Ireland and Russia.


Sampo Hirvo­nen (b. 1981)

Mine Manager since 2022 Production Manager 2021–2022; Local Leader 2018–2019; Mining Manager 2015–2018; Operating Engineer 2013–2015; Mine Foreman 2012–2013



Degree Programme in Technology Competence Management, Karelia University of Applied Sciences 2023

  • Bachelor of Engineering 2006



  • Extensive experience in underground mining and open-pit mining. Lean and development processes.



Jani Rautio (b. 1974)

Head Geologist since April 2022 Head of Geology, Endomines Oy (Finland), 2020–2022; Chief Mine Geologist (Pampalo) and Senior Geologist at Endomines Oy 2013–2020



  • M.Sc., University of Turku. Eurogeologist, Qualified Person in accordance with the JORC and NI 43-101 codes.



  • Various positions in mining and exploration companies, such as Outokumpu Mining, Sotkamo Silver Oy and Gold-Ore Resources Ltd, in Finland, Sweden and Southern Africa, 2000–2012. Extensive experience in exploration, mining geology and resource estimation.