Keystone Human Services Executive and Leadership Team

November, 2026

Leadership Overview

Keystone Human Services has 7 executives leading key functions including international strategy, partnership management, financial oversight, technology infrastructure, information systems, organizational leadership, and future planning.

Committed to empowering individuals with developmental disabilities, Keystone Human Services delivers essential support services through a mission-driven approach that prioritizes community integration, behavior support, and sustainable living solutions across diverse operational landscapes.

Leadership Roles at Keystone Human Services

  • Chief Executive Officer, Keystone Human Services International - Genevieve Fitzgibbon
  • Keystone Partnership President & Chief Executive Officer - Kristopher Weaver
  • Chief Financial Officer - Erin Shirmer
  • Keystone Human Services , Founder & President (Khs, USA) - Dennis Felty
  • President-Elect - Michele Tantardini
  • Chief Technology Officer - Craig Girsch
  • Vice President & Chief Information Officer - John Jabour
  • Genevieve Fitzgibbon - Chief Executive Officer, Keystone Human Services International

    Genevieve Fitzgibbon, the Chief Executive Officer, Keystone Human Services International at Keystone Human Services, directs global expansion efforts for developmental disability support programs. Overseeing international service delivery, the Chief Executive Officer, Keystone Human Services International ensures alignment with organizational standards for behavior support and community integration. This leadership role involves navigating complex regulatory environments across multiple countries to maintain high-quality care standards. By fostering cross-border collaborations, Genevieve Fitzgibbon expands the reach of supported living initiatives. The Chief Executive Officer, Keystone Human Services International manages strategic partnerships that enhance service accessibility for individuals with disabilities. Through rigorous oversight of international operations, Fitzgibbon drives sustainable growth and operational excellence. This executive position requires constant coordination with regional directors to adapt service models to local needs, ensuring that the core mission remains consistent while addressing unique cultural and systemic requirements within global markets.
    Genevieve Fitzgibbon

    Kristopher Weaver - Keystone Partnership President & Chief Executive Officer

    Kristopher Weaver, the Keystone Partnership President & Chief Executive Officer at Keystone Human Services, manages the strategic direction of the organization's partnership network. Overseeing collaborative initiatives, the Keystone Partnership President & Chief Executive Officer ensures that community-based support services remain effective and scalable. This leadership role involves building alliances with stakeholders to advance supported employment and living programs. By optimizing partnership frameworks, Kristopher Weaver strengthens the organizational capacity to serve individuals with developmental disabilities. The Keystone Partnership President & Chief Executive Officer coordinates with internal departments to align service delivery with long-term growth objectives. Through active engagement with community leaders, Weaver promotes the mission of inclusive support. This executive position demands a focus on operational synergy, ensuring that all partnership activities contribute directly to the overall impact of the organization while maintaining the highest standards of care and professional integrity across all service regions.

    Erin Shirmer - Chief Financial Officer

    Erin Shirmer, the Chief Financial Officer at Keystone Human Services, directs all fiscal operations and financial planning for the non-profit organization. Overseeing budget allocation, the Chief Financial Officer ensures that resources support the delivery of behavior support and developmental disability services. This leadership role involves managing complex funding streams and ensuring compliance with regulatory financial requirements. By optimizing capital distribution, Erin Shirmer maintains the financial health necessary for long-term service sustainability. The Chief Financial Officer collaborates with executive leadership to align fiscal strategies with the broader mission of community support. Through rigorous analysis of operational costs, Shirmer drives efficiency across all programs. This executive position requires constant monitoring of economic trends to mitigate risks and secure the organization's future. By maintaining transparent financial reporting, the Chief Financial Officer supports the trust of stakeholders and ensures that every dollar directly benefits the individuals served by the organization.
    Erin Shirmer

    Dennis Felty - Keystone Human Services , Founder & President (Khs, USA)

    Dennis Felty, the Keystone Human Services , Founder & President (Khs, USA) at Keystone Human Services, directs the foundational mission and long-term vision of the organization. Overseeing the core values of the institution, the Keystone Human Services , Founder & President (Khs, USA) ensures that all programs remain true to the commitment of supporting individuals with developmental disabilities. This leadership role involves guiding the strategic direction of domestic operations and maintaining the organization's reputation for excellence. By fostering a culture of compassion and innovation, Dennis Felty drives the continued success of supported living and employment initiatives. The Keystone Human Services , Founder & President (Khs, USA) collaborates with the board and executive team to ensure organizational stability. Through consistent leadership, Felty maintains the focus on community-based care. This executive position requires a deep dedication to the mission, ensuring that the organization continues to evolve while upholding the standards established since the inception of the entity.

    Michele Tantardini - President-Elect

    Michele Tantardini, the President-Elect at Keystone Human Services, prepares for the transition into top-level leadership by overseeing key strategic initiatives. Overseeing the development of future programs, the President-Elect ensures that the organization remains prepared for upcoming challenges in the human services sector. This leadership role involves working closely with current executives to understand the complexities of behavior support and developmental disability services. By analyzing market trends and operational performance, Michele Tantardini contributes to the refinement of long-term goals. The President-Elect collaborates with various departments to gain a comprehensive understanding of the organization's impact. Through active participation in strategic planning, Tantardini ensures a seamless transition of leadership. This executive position requires a focus on continuity and innovation, ensuring that the mission remains central to all future endeavors. By engaging with stakeholders and staff, the President-Elect builds the relationships necessary to lead the organization effectively into the next phase of growth and service delivery.
    Michele Tantardini

    Craig Girsch - Chief Technology Officer

    Craig Girsch, the Chief Technology Officer at Keystone Human Services, architects the digital infrastructure required to support developmental disability services. Overseeing technical innovation, the Chief Technology Officer ensures that software solutions enhance the efficiency of behavior support and supported living programs. This leadership role involves managing the integration of new technologies to streamline administrative processes and improve service delivery. By implementing scalable systems, Craig Girsch enables the organization to manage data securely while maintaining focus on individual care. The Chief Technology Officer collaborates with other executives to align technical capabilities with organizational goals. Through the deployment of advanced digital tools, Girsch drives operational improvements across all service departments. This executive position requires a deep understanding of both technology and the specific needs of human services. By prioritizing user-friendly interfaces and robust security, the Chief Technology Officer ensures that staff can focus on providing high-quality support to clients.

    John Jabour - Vice President & Chief Information Officer

    John Jabour, the Vice President & Chief Information Officer at Keystone Human Services, directs the management of information systems and data governance. Overseeing the integrity of organizational data, the Vice President & Chief Information Officer ensures that information flows support the delivery of developmental disability services. This leadership role involves managing network security and ensuring that all digital platforms remain compliant with privacy standards. By optimizing information architecture, John Jabour facilitates better decision-making across the organization. The Vice President & Chief Information Officer collaborates with the technology team to ensure that information systems remain reliable and accessible. Through the implementation of data-driven strategies, Jabour improves the efficiency of support services. This executive position requires constant vigilance regarding cybersecurity and data protection. By maintaining a robust information environment, the Vice President & Chief Information Officer enables staff to access critical information quickly, ultimately enhancing the quality of care provided to individuals with disabilities.

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    Frequently Asked Questions Regarding Keystone Human Services Top Executives and Leadership Team

    Who leads Keystone Human Services?
    Keystone Human Services is led by Genevieve Fitzgibbon (Chief Executive Officer, Keystone Human Services International), along with executives such as Kristopher Weaver (Keystone Partnership President & Chief Executive Officer) and Erin Shirmer (Chief Financial Officer).
    Who is part of Keystone Human Services’s executive team?
    The executive team of Keystone Human Services includes leaders such as Genevieve Fitzgibbon (Chief Executive Officer, Keystone Human Services International), Kristopher Weaver (Keystone Partnership President & Chief Executive Officer), Erin Shirmer (Chief Financial Officer) and other senior executives.
    How many executives does Keystone Human Services have?
    Keystone Human Services has 7 executives leading key business areas.
    What roles are included in Keystone Human Services’s leadership team?
    The leadership team of Keystone Human Services includes roles such as Chief Executive Officer, Keystone Human Services International, Keystone Partnership President & Chief Executive Officer, Chief Financial Officer, Keystone Human Services , Founder & President (Khs, USA), President-Elect.