Merrick Executive and Leadership Team

October, 2026

Leadership Overview

Merrick has 5 executives leading key functions including strategy, operations, and industry advocacy.

Focused on delivering high-quality engineering and architecture solutions, Merrick maintains a commitment to employee ownership while driving innovation across complex geospatial and surveying projects for clients throughout the United States.

Leadership Roles at Merrick

  • Chief Executive Officer - Tammy Johnson
  • Chief Executive Officer & Chairman - Christopher Sherry
  • Chairman & Chief Executive Officer - David Huelskamp
  • Executive Vice President & Chief Operating Officer - Michael Martin
  • MAPPS President-Elect - Brian Raber
  • Tammy Johnson - Chief Executive Officer

    Tammy Johnson, the Chief Executive Officer at Merrick, directs the overarching corporate strategy and long-term vision for the firm. Johnson oversees the integration of engineering and architecture disciplines to ensure consistent project delivery across diverse sectors. By aligning internal resources with market demands, the Chief Executive Officer fosters a culture of technical excellence and employee ownership. This leadership role involves constant collaboration with the board to refine business models and expand the firm's footprint in the North American market. Tammy Johnson maintains a focus on sustainable growth and operational efficiency, ensuring that all departments remain synchronized with the core mission. Through rigorous oversight of high-level initiatives, the Chief Executive Officer secures the firm's competitive position, driving value for clients while upholding the highest standards of professional integrity and technical precision in every engineering endeavor.

    Christopher Sherry - Chief Executive Officer & Chairman

    Christopher Sherry, the Chief Executive Officer & Chairman at Merrick, governs the strategic direction and board-level initiatives for the organization. Sherry manages the firm's governance framework, ensuring that all engineering and surveying operations adhere to the highest standards of corporate responsibility. By chairing the board, the Chief Executive Officer & Chairman facilitates critical decision-making processes that shape the future of the company. Christopher Sherry drives the expansion of service offerings, particularly within the geospatial and architecture sectors, to meet evolving client needs. This role requires balancing immediate operational requirements with long-term strategic goals, fostering an environment where innovation thrives. Through the leadership of the Chief Executive Officer & Chairman, the firm maintains a robust market presence, consistently delivering complex infrastructure solutions while navigating the intricacies of the modern engineering landscape to ensure sustained financial health and organizational stability.
    Christopher Sherry

    David Huelskamp - Chairman & Chief Executive Officer

    David Huelskamp, the Chairman & Chief Executive Officer at Merrick, leads the firm's high-level strategic planning and board engagement. Huelskamp directs the alignment of engineering and architecture capabilities with the firm's broader mission of providing comprehensive surveying and geospatial services. By overseeing the executive team, the Chairman & Chief Executive Officer ensures that all operational units function in harmony to achieve corporate objectives. David Huelskamp focuses on cultivating client relationships and identifying new market opportunities that leverage the firm's unique employee-owned structure. This leadership position involves managing complex stakeholder interests and guiding the organization through significant industry shifts. Through the efforts of the Chairman & Chief Executive Officer, the firm maintains a strong reputation for technical excellence, consistently delivering high-impact projects that address the evolving infrastructure needs of clients across the country while fostering a culture of innovation and professional growth.
    David Huelskamp

    Michael Martin - Executive Vice President & Chief Operating Officer

    Michael Martin, the Executive Vice President & Chief Operating Officer at Merrick, manages the day-to-day execution of engineering and architecture projects. Martin oversees the operational infrastructure, ensuring that all technical teams possess the resources required for successful project delivery. By streamlining internal processes, the Executive Vice President & Chief Operating Officer drives efficiency across all departments, from surveying to complex geospatial analysis. Michael Martin coordinates with other senior leaders to implement strategic initiatives that enhance service quality and project profitability. This role involves monitoring performance metrics and optimizing workflows to maintain the firm's competitive edge in the engineering sector. Through the leadership of the Executive Vice President & Chief Operating Officer, the firm achieves operational excellence, consistently meeting project deadlines and quality standards while supporting the broader organizational goals of growth and technical innovation in the competitive North American market.
    Michael Martin

    Brian Raber - MAPPS President-Elect

    Brian Raber, the MAPPS President-Elect at Merrick, leads the firm's engagement with industry associations and external advocacy groups. Raber directs the integration of geospatial expertise into the firm's broader engineering and architecture service portfolio. By representing the company in professional forums, the MAPPS President-Elect influences industry standards and promotes the adoption of advanced surveying technologies. Brian Raber oversees the development of strategic partnerships that expand the firm's reach and enhance its technical capabilities in the geospatial domain. This leadership role involves collaborating with other executives to ensure that the firm remains at the forefront of industry trends and regulatory developments. Through the efforts of the MAPPS President-Elect, the firm strengthens its market position, driving innovation in geospatial data collection and analysis while ensuring that all technical operations align with the highest standards of professional practice and client service excellence.

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    Frequently Asked Questions Regarding Merrick Top Executives and Leadership Team

    Who leads Merrick?
    Merrick is led by Tammy Johnson (Chief Executive Officer), along with executives such as Christopher Sherry (Chief Executive Officer & Chairman) and David Huelskamp (Chairman & Chief Executive Officer).
    Who is part of Merrick’s executive team?
    The executive team of Merrick includes leaders such as Tammy Johnson (Chief Executive Officer), Christopher Sherry (Chief Executive Officer & Chairman), David Huelskamp (Chairman & Chief Executive Officer) and other senior executives.
    How many executives does Merrick have?
    Merrick has 5 executives leading key business areas.
    What roles are included in Merrick’s leadership team?
    The leadership team of Merrick includes roles such as Chief Executive Officer, Chief Executive Officer & Chairman, Chairman & Chief Executive Officer, Executive Vice President & Chief Operating Officer, MAPPS President-Elect.