Leadership

Management team

  • Märit Sareyko

    CEO

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    Märit Sareyko holds a Master’s degree in Industrial Engineering and Management from Linköping University. She has previously served as Chief Executive Officer of Valtech Nordics and as Chief Information Officer at Stora Enso. Märit has strong expertise in change management and a deep understanding of the Nordic IT market. She has been Chief Executive Officer of Epical since April 1, 2024.

  • Nathalie Kuosa

    CFO/COO

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    Nathalie Kuosa holds a Master’s degree in Business Management and a Master’s degree in Philosophy. She previously served as Chief Financial Officer and Director of Sustainable Development at Evitec. With 19 years of experience in the IT industry, she has held leadership roles across finance, human resources, and IT management. Nathalie joined Epical’s executive team on April 1, 2024.

Board of directors

  • Teemu Salmi

    Chairman of the board

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    Teemu Salmi has held senior leadership roles across the IT and telecommunications sectors and currently serves as CEO of Enea. He brings more than 30 years of experience in leadership, transformation, business development and strategy execution. Recognized as Finland’s CIO of the Year in 2020, his background in scaling organizations and guiding complex initiatives will be instrumental as Epical continues its growth journey, where Salmi will act as a strategic sounding board to leadership and aims to help open doors to new business opportunities. 

  • Kadir Kumral

    Board member

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    Kadir Kumral represents one of Epical’s main owners, Mandatum Asset Management Growth Equity II fund, bringing a track record that includes investing, corporate strategy and transaction execution. Prior to Mandatum, he worked in management consulting at Bain & Company and gained early career experience in investment banking in both Finland and the UK. His focus areas include mergers & acquisitions, corporate strategy, and large-scale transformations. On Epical’s board, Kumral will help position the company for scalable expansion, advising on prospective acquisitions and refining strategic direction as AI and data reshape every industry. 

  • Jere Helenius

    Board member

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    Jere Helenius has held senior roles building global AI, data and platform capabilities and currently serves as CTO at Bo Family Group. He brings more than 15 years of experience in scaling high-impact, data-driven organizations across B2B and B2C. Previously Head of AI, Data Science & Analytics at Palo Alto Networks, Helenius helped grow the company from a startup to S&P 500 scale and has been recognized as a Global Top 100 Data & Analytics Professional in 2024 & 2025. His background in turning advanced AI into long-term business advantage will support Epical’s efforts to drive growth, scale its offerings, strengthen long-term competitiveness, and continue translating deep technical expertise into tangible, trusted customer value.  

  • Ilkka Sammelvuo

    Board member

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    Ilkka Sammelvuo has led technology driven businesses in senior roles and currently serves as CEO at Ropo. He brings extensive experience in scaling organizations, technology leadership with a strong business focus, and growth execution in private equity-owned environments. With 10 years of experience as CTO and his current CEO responsibilities, he has helped guide Ropo from a €0.5 revenue startup to a +€100M ARR scaleup. On Epical’s board, Sammelvuo will support Epical’s leadership and offer distinctive perspectives to support the company’s transformation as it pursues future growth. 

  • Johan Wentzel

    Board member

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    Johan Wentzel represents one of Epical’s main owners, KPY, on the Epical board, bringing close to 30 years of experience in private equity and investment banking.

    Wentzel currently serves as a Partner at Sentica, where he has spent the past 18 years developing the company into a leading Finnish private equity firm. Prior to this, he co-headed the investment banking activities of Kaupthing Bank Oyj and held a Director position at D. Carnegie Investment Bank.

    He has worked with a broad range of IT and professional services companies as an adviser, owner, and board member, including Huld Oy and Citec Oy.

    On Epical’s board, Wentzel brings experience in strategic development and value creation across the company lifecycle.

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