CoorsTek Executive and Leadership Team

July, 2026

Leadership Overview

CoorsTek has 5 executives leading key functions including strategy, finance, technology, administration, and semiconductor operations.

Driven by innovation, CoorsTek is a global producer of engineered ceramic materials, serving critical sectors like aerospace, defense, medical, and semiconductors with advanced solutions.

Leadership Roles at CoorsTek

  • Chief Executive Officer - Jonathan Coorsâ
  • Chief Financial Officer - Chad Brenneise
  • President, Semiconductor Business Segment - Kevin Ressler
  • Chief Technology Officer - Randel Mercer
  • Chief Administrative Officer - Janet Comerford
  • Jonathan Coorsâ - Chief Executive Officer

    Jonathan Coorsâ, the Chief Executive Officer at CoorsTek, directs the company's overarching strategy and global operations. Overseeing all business units, the Chief Executive Officer ensures alignment with CoorsTek's mission to advance material science for critical industries. This leadership role involves driving innovation in engineered ceramics and expanding market reach across aerospace, defense, electronics, medical, and semiconductor sectors. By fostering a culture of continuous improvement, Jonathan Coorsâ guides the company's long-term vision and financial performance. Ultimately, Coors ensures CoorsTek maintains its position as a leader in advanced material solutions.
    Jonathan Coorsâ

    Chad Brenneise - Chief Financial Officer

    Chad Brenneise, the Chief Financial Officer at CoorsTek, manages all financial aspects of the global organization. Overseeing fiscal planning, budgeting, and financial reporting, the Chief Financial Officer ensures robust financial health and strategic resource allocation. This leadership position involves analyzing market trends and economic conditions to inform investment decisions and optimize profitability across CoorsTek's diverse business segments. By maintaining strong relationships with financial institutions and stakeholders, Chad Brenneise supports the company's growth initiatives and operational efficiency. Ultimately, Brenneise safeguards the company's financial integrity and drives sustainable value creation.

    Kevin Ressler - President, Semiconductor Business Segment

    Kevin Ressler, the President, Semiconductor Business Segment at CoorsTek, leads the strategic direction and operational execution for the semiconductor division. Overseeing all aspects of the semiconductor business, the President ensures the delivery of advanced ceramic solutions critical to the semiconductor manufacturing process. This executive role involves driving market growth, managing customer relationships, and fostering innovation within the segment. By aligning the semiconductor business unit's objectives with CoorsTek's broader corporate goals, Kevin Ressler enhances the company's competitive position in this high-tech market. Ultimately, Ressler champions the development and supply of essential materials that power the global semiconductor industry.

    Randel Mercer - Chief Technology Officer

    Randel Mercer, the Chief Technology Officer at CoorsTek, spearheads technological innovation and research and development initiatives. Overseeing the company's R&D pipeline and intellectual property strategy, the Chief Technology Officer drives advancements in engineered ceramic materials. This critical role involves identifying emerging technologies and translating them into practical applications for industries such as aerospace, defense, and semiconductors. By fostering collaboration between engineering teams and business units, Randel Mercer ensures CoorsTek remains at the forefront of material science innovation. Ultimately, Mercer accelerates the development of next-generation ceramic solutions that address complex global challenges.
    Randel Mercer

    Janet Comerford - Chief Administrative Officer

    Janet Comerford, the Chief Administrative Officer at CoorsTek, directs essential corporate functions that support global operations. Overseeing human resources, legal affairs, and corporate governance, the Chief Administrative Officer ensures efficient and compliant business practices across all CoorsTek locations. This leadership position involves developing policies and procedures that foster a productive work environment and uphold the company's ethical standards. By managing key support services, Janet Comerford enables the seamless execution of strategic initiatives and operational objectives. Ultimately, Comerford provides the foundational support necessary for CoorsTek's continued success and expansion.

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    Frequently Asked Questions Regarding CoorsTek Top Executives and Leadership Team

    Who leads CoorsTek?
    CoorsTek is led by Jonathan Coorsâ (Chief Executive Officer), along with executives such as Chad Brenneise (Chief Financial Officer) and Kevin Ressler (President, Semiconductor Business Segment).
    Who is part of CoorsTek’s executive team?
    The executive team of CoorsTek includes leaders such as Jonathan Coorsâ (Chief Executive Officer), Chad Brenneise (Chief Financial Officer), Kevin Ressler (President, Semiconductor Business Segment) and other senior executives.
    How many executives does CoorsTek have?
    CoorsTek has 5 executives leading key business areas.
    What roles are included in CoorsTek’s leadership team?
    The leadership team of CoorsTek includes roles such as Chief Executive Officer, Chief Financial Officer, President, Semiconductor Business Segment, Chief Technology Officer, Chief Administrative Officer.