CSI International Executive and Leadership Team

September, 2026

Leadership Overview

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

Committed to delivering integrated building services across diverse sectors, CSI International maintains a focus on exceeding client expectations through operational excellence and consistent service quality in the real estate and manufacturing industries.

Leadership Roles at CSI International

  • Chief Executive Officer - Barry Boyer
  • Acting Chief Executive Officer - Roy Thellman
  • Chief Financial Officer - Jason Greenwood
  • President - Jayne Hammond
  • Barry Boyer - Chief Executive Officer

    Barry Boyer, the Chief Executive Officer at CSI International, directs the overarching strategic vision for integrated building services. Boyer architects long-term growth initiatives while ensuring alignment across property management, pharmaceuticals, and telecommunications sectors. By prioritizing operational efficiency, the Chief Executive Officer maintains high standards for service delivery across North American markets. Barry Boyer monitors market trends to identify expansion opportunities within the higher education and insurance industries. This leadership role involves constant collaboration with the board to refine corporate objectives and enhance competitive positioning. Through rigorous oversight of service quality, the Chief Executive Officer drives sustainable performance improvements. Boyer fosters a culture of excellence, ensuring that every facility management solution meets the specific needs of diverse clients. Ultimately, the Chief Executive Officer secures the company's reputation as a premier provider of comprehensive maintenance and janitorial services.

    Roy Thellman - Acting Chief Executive Officer

    Roy Thellman, the Acting Chief Executive Officer at CSI International, manages daily operational workflows and ensures seamless execution of building service contracts. Thellman coordinates cross-departmental efforts to optimize resource allocation for real estate and manufacturing clients. Overseeing regional service delivery, the Acting Chief Executive Officer implements standardized protocols to maintain consistency across all client sites. Roy Thellman evaluates internal processes to identify efficiency gains, directly impacting the bottom line. This leadership role requires constant interaction with operational managers to address service challenges and improve client satisfaction metrics. By streamlining communication channels, the Acting Chief Executive Officer facilitates rapid response times for urgent facility needs. Thellman drives the implementation of new technology to modernize janitorial and maintenance operations. Through proactive management of field teams, the Acting Chief Executive Officer ensures that every project adheres to strict quality benchmarks and safety regulations.

    Jason Greenwood - Chief Financial Officer

    Jason Greenwood, the Chief Financial Officer at CSI International, manages all fiscal planning, budgeting, and financial reporting activities. Greenwood architects robust financial models to support the company's expansion into the pharmaceutical and telecommunications sectors. By analyzing revenue streams and cost structures, the Chief Financial Officer ensures the long-term financial health of the organization. Jason Greenwood oversees capital allocation strategies, prioritizing investments that enhance service delivery capabilities. This leadership role involves close collaboration with executive peers to align financial goals with broader corporate objectives. Through rigorous auditing and risk management, the Chief Financial Officer maintains compliance with industry standards and regulatory requirements. Greenwood monitors cash flow across all regional operations to ensure liquidity for ongoing projects. By optimizing procurement processes, the Chief Financial Officer drives cost savings that benefit both the company and its diverse client base in real estate and higher education.
    Jason Greenwood

    Jayne Hammond - President

    Jayne Hammond, the President at CSI International, leads the execution of corporate policies and drives business development initiatives across all service lines. Hammond oversees the integration of building services for clients in property management and insurance, ensuring that service delivery remains consistent with company standards. Jayne Hammond directs the sales and marketing teams to capture new market share while maintaining strong relationships with existing accounts. This leadership role involves translating high-level strategy into actionable plans for department heads. By fostering innovation in service offerings, the President ensures that the company remains competitive in the evolving facility management landscape. Hammond monitors performance metrics to ensure that every client engagement meets expectations for quality and reliability. Through strategic partnerships and client outreach, the President expands the company's footprint in key industries. Ultimately, Hammond drives the organizational culture toward continuous improvement and superior customer service.
    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 Barry Boyer (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 Barry Boyer (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.