Omya Executive and Leadership Team

August, 2026

Leadership Overview

Omya has 5 executives leading key functions including financial strategy, regional operations, and global mineral production.

Focused on sustainable industrial mineral solutions, Omya drives innovation in calcium carbonate and dolomite applications while maintaining a commitment to excellence across global forest products, polymers, and life sciences markets.

Leadership Roles at Omya

  • Chief Financial Officer - Said Tassera
  • Chief Financial Officer (Americas) - Eric Mutizwa
  • President - Charles-Etienne Houssa
  • President, Americas - Olav Bergset
  • President, Omya Minerals (Asia Pacific) - Lear Haulsee
  • Said Tassera - Chief Financial Officer

    Said Tassera, the Chief Financial Officer at Omya, directs all global fiscal operations and capital allocation strategies. Overseeing the financial health of the organization, the Chief Financial Officer ensures alignment with long-term growth objectives in the industrial minerals sector. This leadership role involves managing complex international tax structures and optimizing liquidity for worldwide specialty chemical distribution. By implementing rigorous cost-control measures, Said Tassera directly impacts the profitability of the calcium carbonate and dolomite production lines. Furthermore, the Chief Financial Officer collaborates with the Board to secure funding for infrastructure expansion across European and global markets. Through precise financial forecasting and risk management, the Chief Financial Officer maintains the fiscal stability required for sustained market leadership. Ultimately, Tassera secures the financial foundation necessary for the company to continue delivering high-quality fillers and pigments to diverse industrial clients.

    Eric Mutizwa - Chief Financial Officer (Americas)

    Eric Mutizwa, the Chief Financial Officer (Americas) at Omya, directs all fiscal planning and budgetary oversight for the North and South American divisions. Overseeing regional financial performance, the Chief Financial Officer (Americas) ensures that resource allocation supports the production of industrial minerals and specialty chemicals. This leadership role involves analyzing market trends in building materials and life sciences to optimize regional revenue streams. By streamlining financial reporting processes, Eric Mutizwa directly impacts the operational efficiency of the Americas business unit. Furthermore, the Chief Financial Officer (Americas) coordinates with global leadership to ensure consistent financial governance across all regional manufacturing sites. Through strategic investment analysis, the Chief Financial Officer (Americas) drives profitability within the competitive landscape of the Western Hemisphere. Ultimately, Mutizwa secures the financial integrity required to support the company's expansion goals and market penetration throughout the Americas.

    Charles-Etienne Houssa - President

    Charles-Etienne Houssa, the President at Omya, directs the overarching corporate strategy and global business development initiatives. Overseeing the production of industrial minerals and the distribution of specialty chemicals, the President ensures that the company maintains its competitive edge in forest products and polymers. This leadership role involves guiding the executive team toward achieving long-term sustainability goals and market expansion. By fostering innovation in calcium carbonate applications, Charles-Etienne Houssa directly impacts the company's ability to serve the life sciences and building materials sectors. Furthermore, the President coordinates with regional leaders to ensure operational excellence across all international facilities. Through decisive leadership and strategic vision, the President drives the organization toward achieving its mission of providing high-performance mineral solutions. Ultimately, Houssa secures the company's position as a global leader in the industrial minerals industry through consistent focus on quality and innovation.

    Olav Bergset - President, Americas

    Olav Bergset, the President, Americas at Omya, directs all operational activities and market growth strategies across the North and South American regions. Overseeing the production and distribution of calcium carbonate and dolomite, the President, Americas ensures that regional output meets the specific demands of the building materials and life sciences industries. This leadership role involves managing supply chain logistics and strengthening relationships with key industrial partners. By optimizing regional manufacturing processes, Olav Bergset directly impacts the company's market share in the Western Hemisphere. Furthermore, the President, Americas collaborates with global leadership to align regional initiatives with the broader corporate mission. Through effective management of regional assets, the President, Americas drives efficiency and revenue growth in a highly competitive market. Ultimately, Bergset secures the operational success of the company by delivering high-value mineral solutions to diverse clients throughout the Americas.

    Lear Haulsee - President, Omya Minerals (Asia Pacific)

    Lear Haulsee, the President, Omya Minerals (Asia Pacific) at Omya, directs all business operations and strategic expansion efforts throughout the Asia Pacific region. Overseeing the production of industrial minerals and the distribution of specialty chemicals, the President, Omya Minerals (Asia Pacific) ensures that regional activities support the company's global objectives in forest products and polymers. This leadership role involves navigating complex regulatory environments and identifying new market opportunities for calcium carbonate and dolomite. By scaling regional production capabilities, Lear Haulsee directly impacts the company's ability to meet the growing demand for high-quality fillers in Asian markets. Furthermore, the President, Omya Minerals (Asia Pacific) coordinates with global teams to ensure consistent product quality and service standards. Through strategic market development, the President, Omya Minerals (Asia Pacific) drives significant growth and operational efficiency. Ultimately, Haulsee secures the company's footprint in the rapidly evolving Asia Pacific industrial landscape.

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    Frequently Asked Questions Regarding Omya Top Executives and Leadership Team

    Who leads Omya?
    Omya is led by Said Tassera (Chief Financial Officer), along with executives such as Eric Mutizwa (Chief Financial Officer (Americas)) and Charles-Etienne Houssa (President).
    Who is part of Omya’s executive team?
    The executive team of Omya includes leaders such as Said Tassera (Chief Financial Officer), Eric Mutizwa (Chief Financial Officer (Americas)), Charles-Etienne Houssa (President) and other senior executives.
    How many executives does Omya have?
    Omya has 5 executives leading key business areas.
    What roles are included in Omya’s leadership team?
    The leadership team of Omya includes roles such as Chief Financial Officer, Chief Financial Officer (Americas), President, President, Americas, President, Omya Minerals (Asia Pacific).