Keystone Human Services Executive and Leadership Team

September, 2026

Leadership Overview

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

Committed to empowering individuals with developmental disabilities, Keystone Human Services delivers essential support services while fostering inclusive communities through a mission-driven approach to human services and behavioral health.

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 operations, the Chief Executive Officer, Keystone Human Services International ensures alignment with the core mission of providing high-quality behavioral health services across diverse markets. This leadership role involves coordinating with regional stakeholders to implement supported employment and living models that meet international standards. By scaling these specialized programs, Genevieve Fitzgibbon directly impacts the lives of individuals requiring complex care. The Chief Executive Officer, Keystone Human Services International maintains rigorous oversight of cross-border service delivery, ensuring that every international initiative adheres to the foundational values established in Pennsylvania. Through strategic partnerships and resource allocation, Fitzgibbon secures the long-term viability of global programs, ultimately driving the organization toward greater accessibility and improved outcomes for populations requiring specialized support services worldwide.
    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 integration of organizational partnerships to enhance service delivery for individuals with developmental disabilities. Overseeing the collaborative framework, the Keystone Partnership President & Chief Executive Officer ensures that all joint ventures align with the broader mission of providing comprehensive behavior support services. This leadership role involves negotiating complex agreements that expand the reach of supported living initiatives across North American markets. By optimizing these partnerships, Kristopher Weaver directly influences the operational efficiency of the entire organization. The Keystone Partnership President & Chief Executive Officer maintains constant communication with the Board to refine long-term growth strategies. Through meticulous planning and execution, Weaver strengthens the network of care, ensuring that every partnership contributes to the overall stability and success of the organization while maintaining the high standards of service expected by the community.

    Erin Shirmer - Chief Financial Officer

    Erin Shirmer, the Chief Financial Officer at Keystone Human Services, manages the fiscal health and resource allocation for all developmental disability support programs. Overseeing the financial planning and analysis department, the Chief Financial Officer ensures that funding for supported employment and living services remains sustainable and transparent. This leadership role involves balancing operational budgets with the long-term investment needs of the organization. By maintaining rigorous financial controls, Erin Shirmer directly supports the expansion of behavioral health services across the region. The Chief Financial Officer works closely with the Board to report on fiscal performance and identify opportunities for cost-effective service delivery. Through strategic financial modeling, Shirmer mitigates risks and ensures that every dollar contributes to the core mission of empowering individuals. Ultimately, Shirmer secures the financial future of the organization, providing the necessary capital to maintain high-quality care standards while navigating the complexities of non-profit funding and regulatory requirements.
    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, provides the foundational vision and leadership for all domestic operations. Overseeing the strategic direction of the organization, the Keystone Human Services , Founder & President (Khs, USA) ensures that the original mission of supporting individuals with developmental disabilities remains the primary focus of every program. This leadership role involves guiding the executive team through complex market shifts and maintaining the organization's reputation for excellence in behavior support services. By fostering a culture of compassion and innovation, Dennis Felty directly influences the quality of care provided across the United States. The Keystone Human Services , Founder & President (Khs, USA) maintains strong relationships with stakeholders and community partners to advocate for the needs of the population served. Through decades of experience, Felty secures the long-term legacy of the organization, ensuring that the commitment to supported living and employment remains steadfast.

    Michele Tantardini - President-Elect

    Michele Tantardini, the President-Elect at Keystone Human Services, prepares for the transition of leadership by evaluating current operational strategies and identifying future growth opportunities. Overseeing the assessment of existing programs, the President-Elect ensures that the organization remains agile in the face of evolving needs for developmental disability support. This leadership role involves working alongside current executives to understand the nuances of behavior support services and supported employment models. By analyzing performance metrics, Michele Tantardini directly contributes to the development of upcoming strategic initiatives. The President-Elect collaborates with the Board to align future goals with the established mission of the organization. Through active participation in high-level decision-making, Tantardini gains the necessary insight to lead the company toward continued success. Ultimately, Tantardini secures the continuity of the organization's mission, ensuring that the transition of leadership maintains the high standards of care and operational excellence that define the company's market position.
    Michele Tantardini

    Craig Girsch - Chief Technology Officer

    Craig Girsch, the Chief Technology Officer at Keystone Human Services, architects the digital infrastructure necessary to support complex human services operations. Overseeing the modernization of internal systems, the Chief Technology Officer ensures that data management tools effectively track behavior support outcomes and employment metrics. This leadership role involves implementing scalable software solutions that streamline administrative workflows for staff providing direct care. By optimizing the technological landscape, Craig Girsch directly improves the efficiency of service delivery across all Pennsylvania facilities. The Chief Technology Officer collaborates with other C-suite leaders to integrate secure, compliant platforms that protect sensitive client information while facilitating better communication between support teams. Through the deployment of advanced analytics, Girsch provides actionable insights that drive organizational decision-making. Ultimately, Girsch secures the digital foundation of the company, ensuring that technology remains a powerful enabler for the mission of supporting individuals with developmental disabilities.

    John Jabour - Vice President & Chief Information Officer

    John Jabour, the Vice President & Chief Information Officer at Keystone Human Services, directs the enterprise-wide information strategy and cybersecurity posture. Overseeing the information technology department, the Vice President & Chief Information Officer ensures that all digital communication channels remain secure and reliable for staff providing behavior support services. This leadership role involves managing the hardware and network requirements that connect various service locations throughout the region. By optimizing information flow, John Jabour directly enhances the coordination of care for individuals with developmental disabilities. The Vice President & Chief Information Officer collaborates with the executive team to implement robust data governance policies that meet industry compliance standards. Through the continuous monitoring of network performance, Jabour prevents disruptions to critical support services. Ultimately, Jabour secures the integrity of the organization's data, ensuring that information systems provide a seamless and reliable experience for both employees and the individuals receiving support.

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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.