CSI International Executive and Leadership Team

October, 2026

Leadership Overview

CSI International has 4 executives leading key functions including corporate strategy, executive management, financial oversight, and operational leadership.

Focused on delivering integrated building services across diverse sectors, CSI International maintains a commitment to excellence by exceeding client expectations in real estate, manufacturing, and higher education through high-quality facility maintenance solutions.

Leadership Roles at CSI International

  • Chief Executive Officer - Frank Wardzinski
  • Acting Chief Executive Officer - Roy Thellman
  • Chief Financial Officer - Jason Greenwood
  • President - Jayne Hammond
  • Frank Wardzinski - Chief Executive Officer

    Frank Wardzinski, the Chief Executive Officer at CSI International, directs the overarching corporate strategy and long-term vision for the organization. Wardzinski manages the alignment of integrated building services with the evolving needs of clients in sectors like pharmaceuticals and telecommunications. By fostering a culture of operational excellence, the Chief Executive Officer ensures that service delivery remains consistent across all regional markets. This leadership role involves constant evaluation of market trends to maintain a competitive edge in the facility management industry. Frank Wardzinski drives the expansion of service capabilities, ensuring that the company meets complex property management requirements. Through rigorous oversight of organizational performance, the Chief Executive Officer secures sustainable growth and reinforces the reputation of the firm as a premier provider of janitorial and maintenance solutions across the United States.

    Roy Thellman - Acting Chief Executive Officer

    Roy Thellman, the Acting Chief Executive Officer at CSI International, executes daily operational directives and maintains continuity in leadership during critical business transitions. Thellman oversees the implementation of standardized service protocols across the diverse portfolio of real estate and insurance clients. By coordinating with department heads, the Acting Chief Executive Officer ensures that resource allocation matches the high-demand requirements of the facility services sector. This role involves direct engagement with key stakeholders to uphold the quality standards established by the firm. Roy Thellman drives efficiency improvements within the operational framework, focusing on the optimization of janitorial and maintenance workflows. Through the management of internal processes, the Acting Chief Executive Officer stabilizes service delivery models, ensuring that the company continues to provide reliable, high-value support to all institutional and commercial partners throughout the national market.

    Jason Greenwood - Chief Financial Officer

    Jason Greenwood, the Chief Financial Officer at CSI International, directs all fiscal planning, budgeting, and financial reporting activities for the organization. Greenwood manages the capital structure and ensures that financial resources support the strategic goals of the company within the competitive building services industry. By analyzing revenue streams from sectors like manufacturing and higher education, the Chief Financial Officer identifies opportunities for cost optimization and margin improvement. This leadership role involves close collaboration with the executive team to assess the financial viability of new service initiatives. Jason Greenwood drives the development of robust financial controls, ensuring transparency and compliance across all business units. Through the rigorous monitoring of economic performance, the Chief Financial Officer secures the financial health of the firm, enabling continued investment in service technology and workforce development to maintain market leadership.
    Jason Greenwood

    Jayne Hammond - President

    Jayne Hammond, the President at CSI International, directs the execution of business development strategies and oversees the daily management of client relations. Hammond ensures that the integrated building services provided to property management and telecommunications clients meet the highest standards of quality and reliability. By leading cross-functional teams, the President drives the implementation of innovative service delivery models that address the specific needs of complex facility environments. This leadership role involves active participation in shaping the company culture and ensuring that service teams remain aligned with corporate objectives. Jayne Hammond drives the expansion of the client base by fostering strong partnerships and demonstrating the value of the company's comprehensive maintenance solutions. Through the oversight of service operations, the President maintains the firm's competitive position and ensures consistent delivery of excellence across all regional service territories.
    Jayne Hammond

    Explore Leadership Teams in Business Services

    Frequently Asked Questions Regarding CSI International Top Executives and Leadership Team

    Who leads CSI International?
    CSI International is led by Frank Wardzinski (Chief Executive Officer), along with executives such as Roy Thellman (Acting Chief Executive Officer) and Jason Greenwood (Chief Financial Officer).
    Who is part of CSI International’s executive team?
    The executive team of CSI International includes leaders such as Frank Wardzinski (Chief Executive Officer), Roy Thellman (Acting Chief Executive Officer), Jason Greenwood (Chief Financial Officer) and other senior executives.
    How many executives does CSI International have?
    CSI International has 4 executives leading key business areas.
    What roles are included in CSI International’s leadership team?
    The leadership team of CSI International includes roles such as Chief Executive Officer, Acting Chief Executive Officer, Chief Financial Officer, President.