Minerals Technologies Executive and Leadership Team

July, 2026

Leadership Overview

Minerals Technologies has 4 executives leading key functions including strategy, finance, operations, and product development.

Driven by innovation, Minerals Technologies develops, manufactures, and markets mineral-based products for diverse industrial and consumer applications, emphasizing sustainability and technological advancement across global markets.

Leadership Roles at Minerals Technologies

  • Chief Executive Officer - Douglas Dietrich
  • Chief Financial Officer, Business Unit - Kamil Sume
  • Group President - Brett Argirakis
  • President, Household & Personal Care Business Segment - JoAnn Coyne
  • Douglas Dietrich - Chief Executive Officer

    Douglas Dietrich, the Chief Executive Officer at Minerals Technologies, directs the company's overarching strategy and global operations. Dietrich guides the development and execution of business plans, ensuring alignment with the company's mission to provide innovative mineral-based solutions. Overseeing all major corporate initiatives, the Chief Executive Officer drives market expansion and enhances shareholder value. This leadership role involves fostering a culture of technological advancement and sustainability across all divisions. By championing new product development and operational efficiencies, Douglas Dietrich ensures Minerals Technologies maintains its competitive edge in the specialty minerals sector. The Chief Executive Officer's purview extends to managing key stakeholder relationships and setting the long-term vision for the organization, impacting industries from construction to personal care.
    Douglas Dietrich

    Kamil Sume - Chief Financial Officer, Business Unit

    Kamil Sume, the Chief Financial Officer, Business Unit at Minerals Technologies, manages the financial health and strategic fiscal planning for key business segments. Sume oversees budgeting, forecasting, and financial reporting, ensuring robust fiscal discipline across operational units. Directing financial operations, the Chief Financial Officer, Business Unit identifies opportunities for cost optimization and revenue enhancement. This critical role involves close collaboration with divisional leaders to support profitable growth and manage financial risks effectively. By analyzing market trends and financial performance, Kamil Sume provides essential insights to drive informed decision-making. The Chief Financial Officer, Business Unit's responsibilities include capital allocation and investment strategies, directly supporting the company's expansion and innovation initiatives within its diverse industrial and consumer markets.

    Brett Argirakis - Group President

    Brett Argirakis, the Group President at Minerals Technologies, leads and directs multiple business units, driving their performance and strategic direction. Argirakis oversees the operational execution and market positioning of assigned divisions, ensuring they meet or exceed performance targets. Managing global operations, the Group President fosters synergy and efficiency across diverse product lines and geographic regions. This leadership position involves developing and implementing growth strategies tailored to specific market demands, from construction materials to personal care ingredients. By cultivating strong customer relationships and identifying new market opportunities, Brett Argirakis contributes significantly to the company's sustained success. The Group President's focus remains on optimizing resource allocation and enhancing the competitive advantage of the business groups under management.

    JoAnn Coyne - President, Household & Personal Care Business Segment

    JoAnn Coyne, the President, Household & Personal Care Business Segment at Minerals Technologies, spearheads the strategic growth and operational management of this key division. Coyne directs product innovation, market development, and customer engagement within the household and personal care sectors. Overseeing segment performance, the President, Household & Personal Care Business Segment ensures the delivery of high-quality, sustainable mineral-based ingredients. This role involves close collaboration with research and development teams to introduce cutting-edge solutions that meet evolving consumer needs. By driving operational excellence and market penetration, JoAnn Coyne strengthens Minerals Technologies' position in the personal care industry. The President, Household & Personal Care Business Segment's leadership focuses on expanding market share and enhancing profitability through strategic initiatives and robust supply chain management.

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    Frequently Asked Questions Regarding Minerals Technologies Top Executives and Leadership Team

    Who leads Minerals Technologies?
    Minerals Technologies is led by Douglas Dietrich (Chief Executive Officer), along with executives such as Kamil Sume (Chief Financial Officer, Business Unit) and Brett Argirakis (Group President).
    Who is part of Minerals Technologies’s executive team?
    The executive team of Minerals Technologies includes leaders such as Douglas Dietrich (Chief Executive Officer), Kamil Sume (Chief Financial Officer, Business Unit), Brett Argirakis (Group President) and other senior executives.
    How many executives does Minerals Technologies have?
    Minerals Technologies has 4 executives leading key business areas.
    What roles are included in Minerals Technologies’s leadership team?
    The leadership team of Minerals Technologies includes roles such as Chief Executive Officer, Chief Financial Officer, Business Unit, Group President, President, Household & Personal Care Business Segment.