GJK Facility Services Executive and Leadership Team

September, 2026

Leadership Overview

GJK Facility Services has 4 executives leading key functions including strategy, operations, financial management, and human capital.

Committed to excellence in maintenance and restoration, GJK Facility Services delivers comprehensive facility solutions across diverse Australian markets while maintaining high standards of operational integrity and service quality.

Leadership Roles at GJK Facility Services

  • Chief Executive Officer - Elias Stamas
  • Chief Financial Officer - Emilio Damiano
  • Chief Operating Officer - Lyall Johaan
  • Chief People Officer - Henriette Mancini
  • Elias Stamas - Chief Executive Officer

    Elias Stamas, the Chief Executive Officer at GJK Facility Services, directs the overarching corporate strategy and long-term vision for the organization. By overseeing the expansion of cleaning and restoration services across the Australian market, the Chief Executive Officer ensures consistent growth and service excellence. Elias Stamas maintains direct oversight of high-level client relationships and board communications to align business objectives with market demands. This leadership role involves identifying new opportunities for grounds maintenance and facility management innovation. Through rigorous analysis of industry trends, the Chief Executive Officer optimizes the competitive positioning of the firm. By fostering a culture of accountability and performance, the Chief Executive Officer drives the company toward sustainable success. Ultimately, the Chief Executive Officer secures the reputation of the firm as a premier provider of facility services through disciplined management and strategic foresight.
    Elias Stamas

    Emilio Damiano - Chief Financial Officer

    Emilio Damiano, the Chief Financial Officer at GJK Facility Services, directs the financial planning, budgeting, and fiscal reporting processes for the organization. By overseeing capital allocation and revenue management, the Chief Financial Officer ensures the long-term financial health of the business. Emilio Damiano manages relationships with financial institutions and stakeholders to support ongoing investment in facility maintenance infrastructure. This leadership role involves the rigorous analysis of cost structures to maximize profitability across all service lines. By implementing robust financial controls, the Chief Financial Officer mitigates risk and ensures compliance with regulatory requirements. The Chief Financial Officer also provides critical data-driven insights to the executive team to guide strategic decision-making. Through disciplined fiscal management, the Chief Financial Officer supports the expansion of service capabilities and ensures that the company remains a stable and reliable partner for clients throughout the region.

    Lyall Johaan - Chief Operating Officer

    Lyall Johaan, the Chief Operating Officer at GJK Facility Services, manages the daily execution of cleaning, restoration, and maintenance operations across all regional service centers. By streamlining internal workflows, the Chief Operating Officer improves service delivery efficiency and resource allocation. Lyall Johaan coordinates with department heads to ensure that field teams meet strict quality benchmarks and safety standards. This leadership role involves the implementation of advanced maintenance technologies to enhance operational output. By monitoring performance metrics, the Chief Operating Officer identifies bottlenecks and executes corrective actions to maintain high service levels. The Chief Operating Officer also oversees the integration of new service protocols to support the diverse needs of the client base. Through consistent operational oversight, the Chief Operating Officer ensures that the company maintains its commitment to high-quality facility management across the entire national footprint.
    Lyall Johaan

    Henriette Mancini - Chief People Officer

    Henriette Mancini, the Chief People Officer at GJK Facility Services, directs the human capital strategy, talent acquisition, and employee development programs. By overseeing the recruitment and training of a diverse workforce, the Chief People Officer ensures that the company maintains a high standard of service delivery. Henriette Mancini manages organizational culture initiatives to foster engagement and retention among staff members across all maintenance and cleaning teams. This leadership role involves the design of performance management systems that align individual contributions with corporate goals. By implementing comprehensive safety and wellness programs, the Chief People Officer supports the well-being of the entire workforce. The Chief People Officer also collaborates with other executives to ensure that human resources policies support the broader business objectives. Through effective talent management, the Chief People Officer drives the professional growth of the team and strengthens the overall operational capacity of the firm.
    Henriette Mancini

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    Frequently Asked Questions Regarding GJK Facility Services Top Executives and Leadership Team

    Who leads GJK Facility Services?
    GJK Facility Services is led by Elias Stamas (Chief Executive Officer), along with executives such as Emilio Damiano (Chief Financial Officer) and Lyall Johaan (Chief Operating Officer).
    Who is part of GJK Facility Services’s executive team?
    The executive team of GJK Facility Services includes leaders such as Elias Stamas (Chief Executive Officer), Emilio Damiano (Chief Financial Officer), Lyall Johaan (Chief Operating Officer) and other senior executives.
    How many executives does GJK Facility Services have?
    GJK Facility Services has 4 executives leading key business areas.
    What roles are included in GJK Facility Services’s leadership team?
    The leadership team of GJK Facility Services includes roles such as Chief Executive Officer, Chief Financial Officer, Chief Operating Officer, Chief People Officer.