Omya Executive and Leadership Team

July, 2026

Leadership Overview

Omya has 6 executives leading key functions including finance, strategy, and regional operations.

Driven by a legacy of innovation, Omya is dedicated to producing industrial minerals and distributing specialty chemicals, shaping markets across forest products, polymers, building materials, and life sciences with a commitment to excellence.

Leadership Roles at Omya

  • Chief Financial Officer - Said Tassera
  • Chief Financial Officer (Americas) - Eric Mutizwa
  • President - Charles-Etienne Houssa
  • President, , Omya Performance Polymer Distribution (Asia Pacific) - Ramli Chan
  • 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 global financial strategy and resource allocation. Overseeing all fiscal operations, Tassera ensures robust financial health and drives profitability across the organization. This leadership position involves managing capital, optimizing investment portfolios, and maintaining stringent compliance with international financial regulations. By implementing advanced financial planning and analysis, Tassera supports strategic decision-making and long-term business sustainability. The Chief Financial Officer's oversight extends to risk management, ensuring the company's resilience against market volatility. Through meticulous financial stewardship, Said Tassera underpins Omya's capacity for growth and operational efficiency, directly impacting the company's global market presence in industrial minerals and specialty chemicals.

    Eric Mutizwa - Chief Financial Officer (Americas)

    Eric Mutizwa, the Chief Financial Officer (Americas) at Omya, spearheads financial operations and strategic fiscal planning for the North and South American regions. Mutizwa's responsibilities encompass managing regional budgets, optimizing financial performance, and ensuring compliance with local economic policies. This role involves close collaboration with regional leadership to align financial objectives with market-specific growth strategies for industrial minerals and specialty chemicals. By analyzing market trends and economic indicators, the Chief Financial Officer (Americas) identifies opportunities for revenue enhancement and cost optimization across the Americas. Eric Mutizwa's financial acumen is critical in navigating the diverse economic landscapes of the region, supporting Omya's expansion and operational effectiveness in key sectors like building materials and polymers.

    Charles-Etienne Houssa - President

    Charles-Etienne Houssa, the President at Omya, directs the overarching strategic vision and operational execution for the global enterprise. Houssa's leadership guides the company's expansion into new markets and strengthens its position in existing ones, focusing on industrial minerals and specialty chemicals. This executive role involves fostering innovation, driving sustainable business practices, and ensuring alignment across all functional departments. The President's mandate includes cultivating key stakeholder relationships and championing the company's mission to deliver high-quality products to sectors such as forest products, polymers, and life sciences. Charles-Etienne Houssa's strategic direction is pivotal in maintaining Omya's competitive edge and achieving its long-term growth objectives worldwide.

    Ramli Chan - President, , Omya Performance Polymer Distribution (Asia Pacific)

    Ramli Chan, the President, Omya Performance Polymer Distribution (Asia Pacific) at Omya, leads the strategic direction and operational management for polymer distribution across the Asia Pacific region. Chan's focus is on expanding market share and enhancing customer relationships within the dynamic polymer sector. This leadership role involves overseeing sales, distribution networks, and product development tailored to regional market demands. The President, Omya Performance Polymer Distribution (Asia Pacific) works to ensure seamless supply chain operations and the effective delivery of specialty chemicals to clients in industries such as automotive and packaging. Ramli Chan's expertise drives Omya's growth in Asia Pacific, solidifying its reputation as a key partner in the performance polymer market.

    Olav Bergset - President, Americas

    Olav Bergset, the President, Americas at Omya, directs the comprehensive business strategy and operational execution throughout North and South America. Bergset's leadership is focused on driving growth in industrial minerals and specialty chemicals, leveraging regional market insights to expand Omya's footprint. This executive position involves overseeing all aspects of the business, from sales and marketing to production and supply chain management, ensuring alignment with global corporate objectives. The President, Americas champions innovation and customer-centric solutions, catering to diverse sectors including building materials and life sciences. Olav Bergset's strategic oversight is crucial for navigating the complexities of the American markets and reinforcing Omya's commitment to delivering value and sustainable solutions.

    Lear Haulsee - President, Omya Minerals (Asia Pacific)

    Lear Haulsee, the President, Omya Minerals (Asia Pacific) at Omya, commands the strategic leadership and operational oversight for the minerals division across the Asia Pacific territory. Haulsee's mandate involves driving market penetration and optimizing the distribution of industrial minerals, including calcium carbonate and dolomite, to key industries throughout the region. This critical role encompasses managing regional sales forces, developing robust supply chains, and fostering strong client partnerships in sectors like construction and paper manufacturing. The President, Omya Minerals (Asia Pacific) ensures that Omya's mineral-based solutions meet the evolving demands of the Asian market, contributing significantly to the company's global success. Lear Haulsee's strategic vision is instrumental in solidifying Omya's leadership in the Asia Pacific minerals 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 6 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, , Omya Performance Polymer Distribution (Asia Pacific), President, Americas.