Marsden Services Executive and Leadership Team

July, 2026

Leadership Overview

Marsden Services has 9 executives leading key functions including strategy, human resources, finance, operations, and mergers & acquisitions.

Driven by a legacy of comprehensive facility solutions, Marsden Services is dedicated to providing janitorial, security, building maintenance, and specialty property services across the United States, upholding a philosophy of operational excellence and client-focused service delivery.

Leadership Roles at Marsden Services

  • Chief Executive Officer - Guy Mingo
  • Chief Financial Officer & Treasurer - Mark Thompson
  • President, Marsden (South) - Mark Dorenkott
  • President, Mechanical - Ewan Stewart
  • President, Janitorial (Western Division) - Chris Ellis
  • President - Janitorial Eastern Division - Chip Niswonger
  • President - William Marsden
  • President, Mergers & Acquisitions - Thomas Kruse
  • Chief Human Resources Officer - Kirsten Van Hulzen
  • Guy Mingo - Chief Executive Officer

    Guy Mingo, the Chief Executive Officer at Marsden Services, directs the overarching corporate strategy and operational framework for the full-spectrum facility services provider. Mingo guides the company's expansion and service delivery across janitorial, security, building maintenance, and specialty property sectors throughout the United States. Overseeing executive leadership, Mingo ensures alignment with the company's foundational mission established in 1952. This leadership role involves driving market penetration and maintaining high standards of service quality nationwide. By fostering a culture of accountability, Guy Mingo ensures the continued growth and success of Marsden Services in a competitive landscape. The Chief Executive Officer's vision shapes the company's strategic direction and operational priorities, impacting all facets of the business.
    Guy Mingo

    Mark Thompson - Chief Financial Officer & Treasurer

    Mark Thompson, the Chief Financial Officer & Treasurer at Marsden Services, manages the financial health and fiscal strategy of the full-spectrum facility services provider. Thompson oversees all financial operations, including budgeting, forecasting, and capital management for janitorial, security, and building maintenance services across the United States. This critical role ensures the financial stability and profitability of the organization. By directing treasury functions, Mark Thompson safeguards company assets and manages financial risk. The Chief Financial Officer & Treasurer's insights are vital for strategic decision-making and sustainable growth. Thompson's leadership in financial planning supports Marsden Services' ongoing expansion and operational excellence nationwide. Ensuring robust financial controls is a primary objective for Thompson.
    Mark Thompson

    Mark Dorenkott - President, Marsden (South)

    Mark Dorenkott, the President, Marsden (South) at Marsden Services, spearheads operational leadership and strategic development for the southern region of the United States. Dorenkott directs all aspects of janitorial, security, and building maintenance services within this designated territory, ensuring high-quality service delivery and client satisfaction. This executive role involves managing regional teams and optimizing resource allocation to meet market demands. By fostering strong client relationships, Mark Dorenkott drives revenue growth and expands Marsden Services' footprint in the southern states. The President, Marsden (South)'s focus on regional performance is integral to the company's overall success. Dorenkott ensures operational efficiency and adherence to company standards.

    Ewan Stewart - President, Mechanical

    Ewan Stewart, the President, Mechanical at Marsden Services, leads the specialized mechanical services division, enhancing the company's comprehensive building maintenance offerings. Stewart oversees the strategic direction and operational execution of all mechanical services, ensuring technical excellence and client satisfaction across the United States. This leadership position involves managing teams of skilled technicians and driving innovation in mechanical systems maintenance and repair. By focusing on efficiency and reliability, Ewan Stewart contributes significantly to Marsden Services' reputation for full-spectrum facility solutions. The President, Mechanical's expertise is crucial for maintaining and upgrading complex building infrastructure. Stewart ensures compliance with industry standards and safety protocols.

    Chris Ellis - President, Janitorial (Western Division)

    Chris Ellis, the President, Janitorial (Western Division) at Marsden Services, directs the strategic growth and operational management of janitorial services across the western United States. Ellis oversees all functions related to janitorial operations, ensuring consistent service quality and client retention in this key market segment. This executive role involves leading regional teams and implementing best practices for cleaning and facility upkeep. By focusing on operational efficiency, Chris Ellis enhances the profitability and market share of Marsden Services in the western territories. The President, Janitorial (Western Division)'s leadership is vital for maintaining the company's strong presence in the janitorial sector. Ellis drives service excellence and client-focused solutions.

    Chip Niswonger - President - Janitorial Eastern Division

    Chip Niswonger, the President - Janitorial Eastern Division at Marsden Services, commands the strategic direction and operational execution of janitorial services throughout the eastern United States. Niswonger manages all facets of the janitorial division in this region, focusing on service excellence, client satisfaction, and team performance. This leadership role involves overseeing regional operations and ensuring the consistent delivery of high-quality cleaning and facility maintenance solutions. By cultivating strong client partnerships, Chip Niswonger drives business development and strengthens Marsden Services' market position in the East. The President - Janitorial Eastern Division's commitment to operational integrity is paramount. Niswonger ensures adherence to company standards and client-specific requirements.

    William Marsden - President

    William Marsden, the President at Marsden Services, provides executive leadership and strategic oversight across the company's diverse service offerings. Marsden guides the overall direction of the organization, ensuring alignment with its mission to deliver comprehensive facility services nationwide, including janitorial, security, and building maintenance. This role involves fostering a culture of innovation and operational excellence throughout the United States. By championing key initiatives, William Marsden supports the company's continued growth and commitment to client satisfaction. The President's influence is critical in shaping the strategic priorities and long-term vision of Marsden Services. Marsden ensures the company remains a leader in the facility services industry.

    Thomas Kruse - President, Mergers & Acquisitions

    Thomas Kruse, the President, Mergers & Acquisitions at Marsden Services, spearheads the strategic growth initiatives through targeted acquisitions and integration processes. Kruse identifies and evaluates potential acquisition targets that align with Marsden Services' expansion goals in the facility services sector across the United States. This executive function involves leading due diligence, negotiating terms, and ensuring the seamless integration of acquired companies into the existing operational framework. By driving strategic M&A activities, Thomas Kruse significantly contributes to the company's market expansion and diversification. The President, Mergers & Acquisitions' expertise is crucial for enhancing Marsden Services' scale and capabilities. Kruse plays a pivotal role in shaping the company's future.
    Thomas Kruse

    Kirsten Van Hulzen - Chief Human Resources Officer

    Kirsten Van Hulzen, the Chief Human Resources Officer at Marsden Services, architects the human capital strategy to support the company's extensive service operations. Van Hulzen oversees talent acquisition, employee development, and retention initiatives critical for a nationwide janitorial, security, and building maintenance workforce. This role involves cultivating a positive and productive work environment across all United States operations. By developing robust HR policies, Kirsten Van Hulzen ensures compliance and fosters employee engagement, directly impacting service delivery and operational efficiency. The Chief Human Resources Officer's focus on people management is essential for sustaining Marsden Services' growth and its commitment to its employees. Strategic workforce planning falls under Van Hulzen's purview, ensuring adequate staffing for diverse client needs.
    Kirsten Van Hulzen

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    Frequently Asked Questions Regarding Marsden Services Top Executives and Leadership Team

    Who leads Marsden Services?
    Marsden Services is led by Guy Mingo (Chief Executive Officer), along with executives such as Mark Thompson (Chief Financial Officer & Treasurer) and Mark Dorenkott (President, Marsden (South)).
    Who is part of Marsden Services’s executive team?
    The executive team of Marsden Services includes leaders such as Guy Mingo (Chief Executive Officer), Mark Thompson (Chief Financial Officer & Treasurer), Mark Dorenkott (President, Marsden (South)) and other senior executives.
    How many executives does Marsden Services have?
    Marsden Services has 9 executives leading key business areas.
    What roles are included in Marsden Services’s leadership team?
    The leadership team of Marsden Services includes roles such as Chief Executive Officer, Chief Financial Officer & Treasurer, President, Marsden (South), President, Mechanical, President, Janitorial (Western Division).