Clayco Executive and Leadership Team

November, 2026

Leadership Overview

Clayco has 7 executives leading key functions including strategy, financial oversight, construction operations, enterprise administration, and regional growth.

Committed to delivering innovative design-build solutions across North America, Clayco prioritizes safety, sustainability, and operational excellence to exceed client expectations in complex sectors like aviation and healthcare.

Leadership Roles at Clayco

  • Chief Executive Officer - Anthony Johnson
  • Chief Financial Officer - Justin Lienemann
  • Chief Operating Officer, Construction - Mike Pierle
  • President - Clay Carter
  • President, Construction & Chief Administrative Officer, Clayco Enterprise - Kevin McKenna
  • Senior Executive Assistant To Chief Growth Officer and President Chicagoland - Keisha Conway
  • President - Steven Sieckhaus
  • Anthony Johnson - Chief Executive Officer

    Anthony Johnson, the Chief Executive Officer at Clayco, directs the overarching strategic vision for the firm. Overseeing the integration of architecture, engineering, and construction services, the Chief Executive Officer ensures that every project meets rigorous standards for safety and sustainability. This leadership role involves navigating complex market demands across North America, particularly within the aviation and healthcare sectors. By fostering a culture of innovation, Johnson drives the company toward efficient building solutions that consistently exceed client expectations. The Chief Executive Officer maintains close alignment with the board to secure long-term growth and operational stability. Through constant evaluation of industry trends, Anthony Johnson positions the firm as a leader in the design-build landscape, ensuring that all corporate initiatives support the broader mission of delivering high-quality, comprehensive real estate and construction services to private and government clients.
    Anthony Johnson

    Justin Lienemann - Chief Financial Officer

    Justin Lienemann, the Chief Financial Officer at Clayco, manages the fiscal health and capital allocation strategies for the organization. Overseeing financial planning, procurement budgeting, and risk management, the Chief Financial Officer ensures that all construction and design-build projects remain profitable while maintaining high quality. This leadership role involves collaborating with executive peers to optimize resource distribution across North American operations. By implementing robust financial controls, Lienemann supports the firm's ability to undertake large-scale projects in advanced manufacturing and government sectors. The Chief Financial Officer monitors economic indicators to guide investment decisions, ensuring that the company maintains a competitive edge in the real estate market. Justin Lienemann directly impacts the firm's growth trajectory by securing the necessary capital to fund innovative building solutions, ultimately safeguarding the financial integrity of the entire enterprise through disciplined fiscal oversight and strategic planning.
    Justin Lienemann

    Mike Pierle - Chief Operating Officer, Construction

    Mike Pierle, the Chief Operating Officer, Construction at Clayco, directs the execution of all field operations and construction site management. Overseeing the daily delivery of complex building projects, the Chief Operating Officer, Construction ensures that safety protocols and sustainability goals remain at the forefront of every job site across North America. This leadership role involves coordinating with engineering and design teams to streamline the transition from pre-construction to final delivery. By optimizing construction workflows, Pierle enhances project efficiency and reduces timelines for clients in the aviation and healthcare industries. The Chief Operating Officer, Construction maintains high standards of quality control, ensuring that every structure meets the specific needs of private and government partners. Mike Pierle drives operational excellence by implementing advanced construction methodologies, ultimately ensuring that the firm delivers superior results on every project while maintaining a safe and productive work environment.

    Clay Carter - President

    Clay Carter, the President at Clayco, leads the expansion of the firm's design-build capabilities and market presence. Overseeing the development of new business opportunities, the President ensures that the company's engineering and architecture services align with the evolving needs of clients in advanced manufacturing and private sectors. This leadership role involves fostering strong relationships with key stakeholders and driving the adoption of innovative building solutions across North American markets. By focusing on strategic growth, Carter enhances the firm's reputation for delivering high-quality, efficient real estate projects. The President collaborates with other executives to ensure that operational goals support the company's mission of exceeding client expectations. Clay Carter directly influences the firm's competitive positioning by identifying emerging market trends and tailoring service offerings to meet specific industry demands, ultimately ensuring that the organization remains a preferred partner for complex construction and design projects.

    Kevin McKenna - President, Construction & Chief Administrative Officer, Clayco Enterprise

    Kevin McKenna, the President, Construction & Chief Administrative Officer, Clayco Enterprise at Clayco, manages the intersection of construction delivery and internal administrative infrastructure. Overseeing the alignment of corporate resources with project-specific requirements, the President, Construction & Chief Administrative Officer, Clayco Enterprise ensures that the firm's operational backbone supports large-scale construction initiatives across North America. This leadership role involves streamlining administrative processes to enhance productivity and project delivery speed. By integrating construction expertise with enterprise-wide administrative functions, McKenna drives efficiency and supports the firm's commitment to quality and safety. The President, Construction & Chief Administrative Officer, Clayco Enterprise collaborates with the executive team to refine internal policies that facilitate growth in the aviation and healthcare sectors. Kevin McKenna directly impacts the firm's ability to scale operations by ensuring that administrative systems remain robust, agile, and capable of supporting the complex demands of modern design-build projects.
    Kevin McKenna

    Keisha Conway - Senior Executive Assistant To Chief Growth Officer and President Chicagoland

    Keisha Conway, the Senior Executive Assistant To Chief Growth Officer and President Chicagoland at Clayco, facilitates the strategic initiatives of the growth and regional leadership teams. Overseeing the coordination of high-level communications and project scheduling, the Senior Executive Assistant To Chief Growth Officer and President Chicagoland ensures that the firm's expansion efforts remain organized and focused. This leadership role involves managing the flow of information between executive offices to support the delivery of design-build solutions across the region. By streamlining administrative support for growth-oriented projects, Conway enhances the efficiency of the leadership team. The Senior Executive Assistant To Chief Growth Officer and President Chicagoland plays a vital role in maintaining the operational rhythm of the firm's regional presence. Keisha Conway directly supports the achievement of corporate goals by ensuring that the leadership team has the necessary resources and information to drive successful outcomes in the competitive construction and real estate market.

    Steven Sieckhaus - President

    Steven Sieckhaus, the President at Clayco, oversees the technical execution and engineering excellence of the firm's design-build portfolio. Focusing on the integration of advanced engineering solutions, the President ensures that all projects meet the highest standards of sustainability and structural integrity. This leadership role involves managing the technical teams responsible for pre-construction and design, ensuring that every project is optimized for efficiency and performance across North America. By driving technical innovation, Sieckhaus supports the firm's ability to deliver complex solutions for clients in the aviation and healthcare sectors. The President collaborates with other executives to ensure that engineering capabilities remain at the forefront of the industry. Steven Sieckhaus directly impacts the firm's success by overseeing the technical quality of all building solutions, ensuring that the company consistently meets the rigorous demands of private and government clients through precise engineering and design.
    Steven Sieckhaus

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    Frequently Asked Questions Regarding Clayco Top Executives and Leadership Team

    Who leads Clayco?
    Clayco is led by Anthony Johnson (Chief Executive Officer), along with executives such as Justin Lienemann (Chief Financial Officer) and Mike Pierle (Chief Operating Officer, Construction).
    Who is part of Clayco’s executive team?
    The executive team of Clayco includes leaders such as Anthony Johnson (Chief Executive Officer), Justin Lienemann (Chief Financial Officer), Mike Pierle (Chief Operating Officer, Construction) and other senior executives.
    How many executives does Clayco have?
    Clayco has 7 executives leading key business areas.
    What roles are included in Clayco’s leadership team?
    The leadership team of Clayco includes roles such as Chief Executive Officer, Chief Financial Officer, Chief Operating Officer, Construction, President, President, Construction & Chief Administrative Officer, Clayco Enterprise.