Excelitas Executive and Leadership Team

July, 2026

Leadership Overview

Excelitas has 6 executives leading key functions including strategy, finance, human resources, and operations.

Driven by innovation, Excelitas delivers advanced, customized solutions in lighting, detection, and high-performance technologies, enabling progress across critical industries worldwide.

Leadership Roles at Excelitas

  • Chief Executive Officer - David Nislick
  • President, Chief Executive Officer & Board Member - Ronald Keating
  • Advanced Industrial Segment Senior VP & Chief Financial Officer - Johan Werf
  • Senior Vice President and Chief Financial Officer Life Sciences and Semiconductor Segment - Adam Beeh
  • Vice President, Human Resources & Chief Human Resources Officer - Stephane Dionne
  • Executive Vice President & Chief Administrative Officer - James Kohosek
  • David Nislick - Chief Executive Officer

    David Nislick, the Chief Executive Officer at Excelitas, directs the company's overall strategic vision and operational execution. Nislick guides the organization's trajectory, ensuring alignment with market demands for advanced lighting, detection, and high-performance technologies. Overseeing global operations, the Chief Executive Officer drives innovation across the medical, analytical instrumentation, diagnostics, industrial, safety, aerospace, and defense sectors. This leadership role involves fostering strategic partnerships and ensuring the company's continued growth and market leadership. David Nislick's focus remains on enhancing Excelitas's capabilities through strategic initiatives and operational excellence, solidifying its position as a key technology provider for OEM customers worldwide.

    Ronald Keating - President, Chief Executive Officer & Board Member

    Ronald Keating, the President, Chief Executive Officer & Board Member at Excelitas, spearheads the company's strategic direction and governance. Keating leads the executive team in delivering advanced solutions across lighting, detection, and high-performance technologies for OEM customers. This executive leadership role involves driving innovation within critical industries such as medical, analytical instrumentation, diagnostics, industrial, safety, aerospace, and defense. Overseeing global operations, the President, Chief Executive Officer & Board Member ensures strategic alignment with market needs and fosters sustainable growth. Ronald Keating's tenure is marked by a commitment to operational excellence and expanding Excelitas's technological capabilities through strategic acquisitions and organic development, reinforcing the company's worldwide presence.
    Ronald Keating

    Johan Werf - Advanced Industrial Segment Senior VP & Chief Financial Officer

    Johan Werf, the Advanced Industrial Segment Senior VP & Chief Financial Officer at Excelitas, manages the financial health and strategic fiscal planning for the advanced industrial segment. Werf oversees all financial operations, including budgeting, forecasting, and capital allocation, ensuring robust financial performance. This critical role involves supporting the segment's growth initiatives by identifying investment opportunities and optimizing resource utilization. The Advanced Industrial Segment Senior VP & Chief Financial Officer works closely with segment leadership to align financial strategies with operational objectives, driving profitability and efficiency. Johan Werf's expertise ensures financial discipline and strategic financial management, supporting Excelitas's mission to deliver cutting-edge solutions to industrial OEM customers across North America, Europe, and Asia.

    Adam Beeh - Senior Vice President and Chief Financial Officer Life Sciences and Semiconductor Segment

    Adam Beeh, the Senior Vice President and Chief Financial Officer Life Sciences and Semiconductor Segment at Excelitas, leads financial strategy and operations for these key business units. Beeh directs financial planning, analysis, and reporting, ensuring fiscal integrity and supporting strategic growth objectives within the life sciences and semiconductor markets. This executive role involves managing financial resources, optimizing profitability, and driving financial performance across global operations. The Senior Vice President and Chief Financial Officer Life Sciences and Semiconductor Segment collaborates with segment leaders to implement financial controls and identify opportunities for enhanced efficiency and revenue generation. Adam Beeh's financial acumen is crucial for Excelitas's continued success in delivering advanced technologies to these demanding industries.

    Stephane Dionne - Vice President, Human Resources & Chief Human Resources Officer

    Stephane Dionne, the Vice President, Human Resources & Chief Human Resources Officer at Excelitas, directs all human capital strategies and organizational development initiatives. Dionne is responsible for cultivating a high-performance culture that supports innovation and operational excellence across the global organization. This leadership position involves overseeing talent acquisition, employee engagement, compensation and benefits, and leadership development programs. The Vice President, Human Resources & Chief Human Resources Officer ensures that HR policies and practices align with Excelitas's business objectives and its mission to serve diverse OEM customers. Stephane Dionne's strategic approach to human resources strengthens the company's workforce, enabling Excelitas to excel in the medical, industrial, aerospace, and defense sectors worldwide.

    James Kohosek - Executive Vice President & Chief Administrative Officer

    James Kohosek, the Executive Vice President & Chief Administrative Officer at Excelitas, oversees critical administrative functions that support the company's global operations and strategic initiatives. Kohosek manages a broad range of responsibilities, including legal affairs, compliance, and corporate governance, ensuring adherence to regulatory standards and ethical practices. This senior leadership role involves optimizing internal processes and resource management to enhance operational efficiency and effectiveness across all business segments. The Executive Vice President & Chief Administrative Officer plays a key part in facilitating strategic decisions and ensuring the smooth execution of corporate policies. James Kohosek's leadership ensures that Excelitas maintains a strong foundation for innovation and growth in the advanced technology sectors it serves worldwide.
    James Kohosek

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    Frequently Asked Questions Regarding Excelitas Top Executives and Leadership Team

    Who leads Excelitas?
    Excelitas is led by David Nislick (Chief Executive Officer), along with executives such as Ronald Keating (President, Chief Executive Officer & Board Member) and Johan Werf (Advanced Industrial Segment Senior VP & Chief Financial Officer).
    Who is part of Excelitas’s executive team?
    The executive team of Excelitas includes leaders such as David Nislick (Chief Executive Officer), Ronald Keating (President, Chief Executive Officer & Board Member), Johan Werf (Advanced Industrial Segment Senior VP & Chief Financial Officer) and other senior executives.
    How many executives does Excelitas have?
    Excelitas has 6 executives leading key business areas.
    What roles are included in Excelitas’s leadership team?
    The leadership team of Excelitas includes roles such as Chief Executive Officer, President, Chief Executive Officer & Board Member, Advanced Industrial Segment Senior VP & Chief Financial Officer, Senior Vice President and Chief Financial Officer Life Sciences and Semiconductor Segment, Vice President, Human Resources & Chief Human Resources Officer.