Merrick Executive and Leadership Team

June, 2026

Leadership Overview

Merrick has 10 executives leading key functions including strategy, operations, finance, and engineering.

Driven by employee ownership, Merrick is dedicated to delivering comprehensive engineering, architecture, surveying, and geospatial solutions, fostering innovation and client success across the United States.

Leadership Roles at Merrick

  • Chief Executive Officer - Tammy Johnson
  • Chairman & Chief Executive Officer - David Huelskamp
  • Chief Executive Officer & Chairman - Christopher Sherry
  • President & Chief Executive Officer - Mark Tsai
  • Executive Vice President & Chief Financial Officer & Treasurer - Stephen Betts
  • Executive Vice President & Chief Operating Officer - Michael Martin
  • President - Nichole Worrel
  • President - James Burnette
  • President & Board of Directors - Patricia Cullen
  • Chief Operations Officer - Dan Shields
  • Tammy Johnson - Chief Executive Officer

    Tammy Johnson, the Chief Executive Officer at Merrick, directs the overall strategic vision and operational execution for the employee-owned firm. Johnson's leadership guides Merrick's comprehensive engineering, architecture, surveying, and geospatial services, ensuring alignment with the company's mission to deliver innovative solutions. Overseeing all major business units, Johnson drives growth and operational excellence across the organization. This executive role involves fostering a culture of collaboration and client focus, critical for Merrick's success in the construction and architecture sectors. Johnson's strategic decisions impact market positioning and long-term financial health, ensuring the firm's continued prominence in Colorado and beyond. The Chief Executive Officer ensures that all departments operate cohesively to meet client demands and achieve corporate objectives.

    David Huelskamp - Chairman & Chief Executive Officer

    David Huelskamp, the Chairman & Chief Executive Officer at Merrick, presides over the strategic direction and governance of the engineering, architecture, surveying, and geospatial firm. Huelskamp's role involves setting the long-term vision for Merrick, emphasizing its employee-owned structure and commitment to client success. Overseeing the board of directors, Huelskamp ensures robust corporate governance and strategic alignment across all operational facets. This leadership position is pivotal in navigating market complexities and driving innovation within the construction and architecture industries. Huelskamp's influence extends to fostering key stakeholder relationships and championing the company's core values. The Chairman & Chief Executive Officer's oversight guarantees that Merrick maintains its reputation for excellence and delivers impactful solutions to its clientele.
    David Huelskamp

    Christopher Sherry - Chief Executive Officer & Chairman

    Christopher Sherry, the Chief Executive Officer & Chairman at Merrick, steers the company's strategic trajectory and corporate governance. Sherry's leadership focuses on advancing Merrick's position as a premier employee-owned engineering, architecture, surveying, and geospatial firm. This executive function involves guiding the board and executive team to achieve ambitious growth targets and uphold the company's commitment to innovation. Overseeing critical business decisions, Sherry ensures operational efficiency and client satisfaction across all service lines. The Chief Executive Officer & Chairman's responsibilities include fostering a strong corporate culture and driving strategic initiatives that enhance market competitiveness. Christopher Sherry's influence is central to maintaining Merrick's high standards and expanding its reach within the industry.
    Christopher Sherry

    Mark Tsai - President & Chief Executive Officer

    Mark Tsai, the President & Chief Executive Officer at Merrick, leads the comprehensive operational and strategic initiatives for the engineering, architecture, surveying, and geospatial firm. Tsai's executive mandate involves driving the company's growth and ensuring the successful delivery of client projects across various sectors. This role encompasses overseeing all departments, fostering cross-functional collaboration, and championing the firm's employee-ownership model. The President & Chief Executive Officer is instrumental in shaping Merrick's market presence and cultivating strong client relationships. Mark Tsai's leadership ensures that the firm consistently meets its objectives for innovation, quality, and financial performance, reinforcing Merrick's standing in the industry.

    Stephen Betts - Executive Vice President & Chief Financial Officer & Treasurer

    Stephen Betts, the Executive Vice President & Chief Financial Officer & Treasurer at Merrick, manages the company's financial health and fiscal strategy. Betts oversees all financial operations, including accounting, budgeting, forecasting, and treasury functions for the employee-owned engineering, architecture, surveying, and geospatial firm. This critical executive role ensures financial stability and supports strategic growth initiatives by providing robust financial insights and controls. Stephen Betts's responsibilities include managing capital, mitigating financial risks, and ensuring compliance with all relevant financial regulations. The Chief Financial Officer & Treasurer's expertise is vital for Merrick's sustained success and its ability to invest in future development and client services.
    Stephen Betts

    Michael Martin - Executive Vice President & Chief Operating Officer

    Michael Martin, the Executive Vice President & Chief Operating Officer at Merrick, directs the day-to-day operational activities and ensures the efficient execution of the firm's engineering, architecture, surveying, and geospatial services. Martin's oversight spans all project delivery processes, resource allocation, and operational performance metrics, critical for an employee-owned company. This executive role involves optimizing workflows and implementing best practices to enhance productivity and client satisfaction across the United States. Michael Martin collaborates closely with other senior leaders to align operational strategies with the company's overall business objectives, driving efficiency and innovation. The Chief Operating Officer's focus remains on seamless project execution and maintaining the high standards Merrick is known for.
    Michael Martin

    Nichole Worrel - President

    Nichole Worrel, the President at Merrick, leads significant business operations and strategic development for the engineering, architecture, surveying, and geospatial firm. Worrel's executive focus involves driving growth and ensuring the successful execution of client projects, contributing to Merrick's reputation as an employee-owned leader. This role requires close collaboration with other senior executives to align departmental objectives with the company's overarching mission. Nichole Worrel's leadership is instrumental in fostering innovation and maintaining high standards of service delivery. The President's responsibilities are key to advancing Merrick's market position and achieving its long-term business objectives.

    James Burnette - President

    James Burnette, the President at Merrick, directs key strategic and operational functions within the engineering, architecture, surveying, and geospatial firm. Burnette's leadership emphasizes driving business growth and ensuring the successful delivery of comprehensive client solutions. This executive role involves fostering strong client relationships and overseeing departmental performance to meet Merrick's high standards. James Burnette collaborates with the executive team to advance the company's objectives and reinforce its position as a leading employee-owned organization. The President's contributions are vital to maintaining operational excellence and achieving sustained success in the competitive market.
    James Burnette

    Patricia Cullen - President & Board of Directors

    Patricia Cullen, the President & Board of Directors at Merrick, provides executive leadership and strategic oversight for the engineering, architecture, surveying, and geospatial firm. Cullen's dual role involves guiding the company's direction and ensuring robust governance through board participation. This leadership position is crucial for aligning operational strategies with the long-term vision of Merrick, an employee-owned entity. Patricia Cullen's influence extends to fostering a culture of innovation and client-centric service delivery. The President & Board of Directors's commitment ensures that Merrick continues to excel in its field and meet the evolving needs of its clientele.

    Dan Shields - Chief Operations Officer

    Dan Shields, the Chief Operations Officer at Merrick, oversees the operational framework supporting the firm's engineering, architecture, surveying, and geospatial services. Shields focuses on enhancing operational efficiency and ensuring the seamless delivery of projects for clients across the United States. This executive position involves managing resources, optimizing internal processes, and driving continuous improvement across all operational departments. Dan Shields works to maintain Merrick's high standards of quality and client satisfaction, crucial for an employee-owned organization. The Chief Operations Officer plays a key part in aligning operational capabilities with the company's strategic goals, ensuring robust execution and sustained performance.

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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 David Huelskamp (Chairman & Chief Executive Officer) and Christopher Sherry (Chief Executive Officer & Chairman).
    Who is part of Merrick’s executive team?
    The executive team of Merrick includes leaders such as Tammy Johnson (Chief Executive Officer), David Huelskamp (Chairman & Chief Executive Officer), Christopher Sherry (Chief Executive Officer & Chairman) and other senior executives.
    How many executives does Merrick have?
    Merrick has 10 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, Chairman & Chief Executive Officer, Chief Executive Officer & Chairman, President & Chief Executive Officer, Executive Vice President & Chief Financial Officer & Treasurer.