Marsden Services Executive and Leadership Team

August, 2026

Leadership Overview

Marsden Services has 9 executives leading key functions including strategy, human capital, financial oversight, regional operations, and corporate expansion.

Committed to excellence in facility maintenance, Marsden Services delivers comprehensive janitorial, security, and building maintenance solutions across the United States to ensure optimal property performance.

Leadership Roles at Marsden Services

  • Chief Executive Officer - Guy Mingo
  • Chief Financial Officer & Treasurer - Mark Thompson
  • President, Marsden (South) - Mark Dorenkott
  • President, Janitorial (Western Division) - Chris Ellis
  • President - Janitorial Eastern Division - Chip Niswonger
  • President, Mergers & Acquisitions - Tom Kruse
  • President, Mechanical - Ewan Stewart
  • President - William Marsden
  • 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 for this national facility services provider. Mingo architects long-term growth initiatives while overseeing the integration of janitorial, security, and mechanical service lines. By aligning operational goals with market demands, the Chief Executive Officer ensures consistent service quality across all United States territories. Mingo maintains direct oversight of executive leadership performance to drive organizational efficiency and client satisfaction. Through rigorous analysis of industry trends, the Chief Executive Officer identifies new opportunities for market expansion and service diversification. This leadership role requires constant coordination with the Board to secure financial health and operational stability. Guy Mingo fosters a culture of accountability, ensuring that every division meets the high standards expected of a premier facility maintenance firm. Ultimately, Mingo secures the competitive position of the company within the broader property services landscape.
    Guy Mingo

    Mark Thompson - Chief Financial Officer & Treasurer

    Mark Thompson, the Chief Financial Officer & Treasurer at Marsden Services, directs the fiscal strategy and capital allocation for the entire organization. Thompson architects financial models that support the expansion of janitorial and security service operations throughout the United States. By overseeing treasury functions and risk management, the Chief Financial Officer & Treasurer ensures the long-term liquidity required for sustainable growth. Mark Thompson manages complex budgeting processes and financial reporting to provide transparency for the Board and executive leadership. This leadership role involves analyzing the profitability of various property service lines to optimize resource distribution. Through the implementation of rigorous internal controls, the Chief Financial Officer & Treasurer safeguards corporate assets and maintains regulatory compliance. Thompson collaborates with regional presidents to monitor financial performance and identify cost-saving efficiencies. Ultimately, Thompson secures the financial foundation necessary for the company to remain a leader in the facility services sector.
    Mark Thompson

    Mark Dorenkott - President, Marsden (South)

    Mark Dorenkott, the President, Marsden (South) at Marsden Services, directs all facility maintenance operations across the southern United States. Dorenkott architects regional service delivery strategies that encompass janitorial, security, and building maintenance solutions. By overseeing local management teams, the President, Marsden (South) ensures that client properties meet strict operational standards. Mark Dorenkott manages regional growth initiatives and client relationships to expand the market footprint in the southern territory. This leadership role involves coordinating with corporate headquarters to implement standardized service protocols while addressing unique regional market nuances. Through the effective allocation of labor and equipment, the President, Marsden (South) maximizes operational efficiency and service reliability. Dorenkott monitors performance metrics to ensure that regional revenue targets align with the broader corporate objectives. Ultimately, Dorenkott drives the success of the southern division by maintaining high levels of client satisfaction and operational excellence.

    Chris Ellis - President, Janitorial (Western Division)

    Chris Ellis, the President, Janitorial (Western Division) at Marsden Services, directs all janitorial operations across the western United States. Ellis architects specialized cleaning programs that address the unique facility maintenance needs of clients in this region. By overseeing large-scale janitorial teams, the President, Janitorial (Western Division) ensures consistent service delivery and high operational standards. Chris Ellis manages regional business development and client retention strategies to strengthen the company presence in western markets. This leadership role involves optimizing supply chain logistics and labor management to improve service margins. Through the integration of advanced cleaning technologies, the President, Janitorial (Western Division) enhances the efficiency of property maintenance tasks. Ellis collaborates with other divisional leaders to share best practices and drive national service consistency. Ultimately, Ellis secures the market position of the western division by delivering reliable, high-quality janitorial solutions to a diverse client base.

    Chip Niswonger - President - Janitorial Eastern Division

    Chip Niswonger, the President - Janitorial Eastern Division at Marsden Services, directs all janitorial service operations throughout the eastern United States. Niswonger architects strategic plans to scale cleaning services for commercial and industrial properties in this high-density region. By overseeing regional operations managers, the President - Janitorial Eastern Division ensures that every facility receives consistent, high-quality maintenance. Chip Niswonger manages client relationships and contract renewals to maintain stable revenue streams across the eastern territory. This leadership role involves implementing rigorous quality control measures to meet the specific demands of eastern market clients. Through the effective management of regional labor forces, the President - Janitorial Eastern Division optimizes operational costs and service delivery speed. Niswonger coordinates with corporate leadership to align regional activities with the national mission of the firm. Ultimately, Niswonger drives the growth and operational success of the eastern janitorial division.

    Tom Kruse - President, Mergers & Acquisitions

    Tom Kruse, the President, Mergers & Acquisitions at Marsden Services, directs the inorganic growth strategy for the organization. Kruse architects the identification, evaluation, and integration of new facility service companies into the existing corporate structure. By overseeing the due diligence process, the President, Mergers & Acquisitions ensures that all acquisitions align with the core mission of providing comprehensive property services. Tom Kruse manages relationships with potential partners and investment stakeholders to facilitate seamless transitions. This leadership role involves assessing the cultural and operational fit of target companies to maximize long-term value. Through the strategic expansion of the service portfolio, the President, Mergers & Acquisitions strengthens the national market presence of the firm. Kruse collaborates with the executive team to identify gaps in service offerings that can be filled through targeted acquisitions. Ultimately, Kruse drives the corporate expansion strategy to maintain the competitive edge of the company.
    Tom Kruse

    Ewan Stewart - President, Mechanical

    Ewan Stewart, the President, Mechanical at Marsden Services, directs all mechanical and building maintenance operations across the national portfolio. Stewart architects technical service programs that ensure the longevity and efficiency of client building systems. By overseeing specialized mechanical teams, the President, Mechanical ensures that HVAC, plumbing, and electrical maintenance meet rigorous industry standards. Ewan Stewart manages the technical training and certification of staff to maintain high levels of expertise in complex building environments. This leadership role involves developing preventative maintenance strategies that reduce downtime and operational costs for clients. Through the integration of advanced diagnostic tools, the President, Mechanical enhances the reliability of facility infrastructure. Stewart collaborates with other divisional presidents to provide comprehensive, multi-service solutions to property owners. Ultimately, Stewart drives the mechanical division to deliver essential technical support that sustains the overall facility services model.

    William Marsden - President

    William Marsden, the President at Marsden Services, directs the overall operational execution and strategic vision of the company. Marsden architects high-level initiatives that unify the diverse service lines, including janitorial, security, and mechanical maintenance. By overseeing the performance of all divisional presidents, the President ensures that every segment of the business adheres to the core values of the firm. William Marsden manages the long-term development of the company brand and market reputation across the United States. This leadership role involves fostering strong relationships with key clients and industry partners to support sustainable growth. Through the continuous evaluation of operational processes, the President drives improvements in service delivery and organizational efficiency. Marsden collaborates with the executive team to navigate market challenges and capitalize on emerging opportunities in the facility services industry. Ultimately, Marsden secures the legacy and future success of the organization.

    Kirsten Van Hulzen - Chief Human Resources Officer

    Kirsten Van Hulzen, the Chief Human Resources Officer at Marsden Services, directs all talent acquisition, employee retention, and organizational development programs. Van Hulzen architects comprehensive workforce strategies that support the diverse needs of a national janitorial and security staff. By implementing robust training protocols, the Chief Human Resources Officer ensures that every team member delivers high-quality facility maintenance services. Kirsten Van Hulzen manages complex labor relations and compliance requirements across various regional markets to mitigate operational risk. This leadership role involves designing competitive compensation structures that attract top talent in a demanding service industry. Through the optimization of internal communication channels, the Chief Human Resources Officer strengthens employee engagement and corporate culture. Van Hulzen collaborates with other C-suite leaders to align human capital initiatives with the broader business objectives of the firm. Ultimately, Van Hulzen drives the professional growth of the entire workforce to maintain service excellence.
    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, Janitorial (Western Division), President - Janitorial Eastern Division.