Keystone Human Services Executive and Leadership Team

October, 2026

Leadership Overview

Keystone Human Services has 7 executives leading key functions including organizational strategy, international operations, technology infrastructure, financial management, information systems, leadership succession, and foundational governance.

Committed to empowering individuals with developmental disabilities, Keystone Human Services delivers essential support services through a mission-driven approach that fosters independence, community integration, and high-quality behavior support across diverse populations.

Leadership Roles at Keystone Human Services

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

    Kristopher Weaver, the Keystone Partnership President & Chief Executive Officer at Keystone Human Services, directs the overarching strategic vision for the organization. Weaver manages the integration of supported employment and living programs to ensure consistent service delivery across all regional operations. By aligning internal resources with the core mission of supporting individuals with developmental disabilities, the Keystone Partnership President & Chief Executive Officer drives long-term organizational sustainability. Kristopher Weaver maintains active oversight of the partnership network, ensuring that collaborative efforts enhance the quality of behavior support services provided to clients. This leadership role involves constant evaluation of service efficacy and the implementation of scalable models that improve community outcomes. Through rigorous operational oversight, the Keystone Partnership President & Chief Executive Officer secures the necessary infrastructure to support the diverse needs of the population served by the organization.

    Genevieve Fitzgibbon - Chief Executive Officer, Keystone Human Services International

    Genevieve Fitzgibbon, the Chief Executive Officer, Keystone Human Services International at Keystone Human Services, directs the expansion and management of global support initiatives. Fitzgibbon oversees the implementation of developmental disability support models across international markets, ensuring that the organization maintains high standards of care regardless of geographic location. The Chief Executive Officer, Keystone Human Services International coordinates with regional stakeholders to adapt behavior support services to local cultural and regulatory environments. Genevieve Fitzgibbon drives the growth of international programs by identifying new opportunities for community-based living and employment assistance. This role requires constant collaboration with global partners to refine service delivery and maximize the impact of the organization's mission on a worldwide scale. By optimizing international operations, the Chief Executive Officer, Keystone Human Services International ensures that the organization remains a leader in providing comprehensive human services globally.
    Genevieve Fitzgibbon

    Erin Shirmer - Chief Financial Officer

    Erin Shirmer, the Chief Financial Officer at Keystone Human Services, directs the fiscal health and long-term financial planning for the organization. Shirmer manages the allocation of resources to support developmental disability programs, ensuring that funding for behavior support and living services remains stable and sustainable. The Chief Financial Officer oversees the budgeting process, financial reporting, and compliance with non-profit regulatory requirements. Erin Shirmer drives financial efficiency by analyzing operational costs and identifying opportunities for cost-effective service delivery. This leadership role involves constant interaction with the Board to provide transparency regarding the organization's financial position and to secure the capital necessary for future growth. By maintaining rigorous financial controls, the Chief Financial Officer ensures that the organization can continue to provide essential support to individuals with developmental disabilities while maintaining the highest standards of fiscal responsibility.
    Erin Shirmer

    Michele Tantardini - President-Elect

    Michele Tantardini, the President-Elect at Keystone Human Services, directs the preparation for future leadership transitions and strategic continuity. Tantardini manages the assessment of current organizational programs, focusing on the efficacy of supported living and employment services. The President-Elect oversees the development of long-term initiatives that align with the organization's mission of supporting individuals with developmental disabilities. Michele Tantardini drives the evaluation of internal processes to ensure that the organization remains prepared for future challenges and opportunities in the human services sector. This leadership role involves constant collaboration with the current executive team to understand the complexities of service delivery and to refine the strategic roadmap. By focusing on organizational readiness, the President-Elect ensures that the transition of leadership will maintain the high standards of care and community impact that define the organization's reputation.
    Michele Tantardini

    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 governance and mission-critical oversight of the organization. Felty manages the preservation of the core values established in 1972, ensuring that all behavior support and developmental disability programs remain true to the original vision. The Keystone Human Services , Founder & President (Khs, USA) oversees the high-level strategic direction, providing guidance to the executive team on maintaining community-based support standards. Dennis Felty drives the organization's commitment to excellence by fostering a culture of advocacy and empowerment for individuals with developmental disabilities. This leadership role involves constant engagement with stakeholders to ensure that the organization's impact remains significant and positive. By providing historical context and strategic wisdom, the Keystone Human Services , Founder & President (Khs, USA) secures the long-term viability of the organization's mission.

    Craig Girsch - Chief Technology Officer

    Craig Girsch, the Chief Technology Officer at Keystone Human Services, directs the digital transformation and technical strategy for the organization. Girsch manages the development of software solutions that streamline behavior support tracking and client management systems. By architecting secure data environments, the Chief Technology Officer ensures that sensitive information regarding individuals with developmental disabilities remains protected while remaining accessible to authorized care providers. Craig Girsch oversees the integration of new technologies into existing service models, enhancing the efficiency of supported employment and living programs. This leadership role involves constant collaboration with operational teams to identify technical bottlenecks and implement innovative solutions that improve service delivery. Through the deployment of robust digital tools, the Chief Technology Officer supports the organization's mission by providing the technical foundation necessary for high-quality, data-driven care across all service locations.

    John Jabour - Vice President & Chief Information Officer

    John Jabour, the Vice President & Chief Information Officer at Keystone Human Services, directs the information systems and network infrastructure that support the organization's daily operations. Jabour manages the security and reliability of internal communication platforms, ensuring that staff members have seamless access to the data required for providing behavior support services. The Vice President & Chief Information Officer oversees the implementation of enterprise-wide software updates and hardware upgrades to maintain operational continuity. John Jabour drives the adoption of secure information management practices, protecting the privacy of individuals with developmental disabilities. This leadership role involves constant coordination with other C-suite members to align information technology goals with the broader mission of the organization. By optimizing the information architecture, the Vice President & Chief Information Officer ensures that the organization remains agile and responsive to the needs of the communities served.

    Explore Leadership Teams in Healthcare Services

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

    Who leads Keystone Human Services?
    Keystone Human Services is led by Kristopher Weaver (Keystone Partnership President & Chief Executive Officer), along with executives such as Genevieve Fitzgibbon (Chief Executive Officer, Keystone Human Services International) 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 Kristopher Weaver (Keystone Partnership President & Chief Executive Officer), Genevieve Fitzgibbon (Chief Executive Officer, Keystone Human Services International), 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 Keystone Partnership President & Chief Executive Officer, Chief Executive Officer, Keystone Human Services International, Chief Financial Officer, President-Elect, Keystone Human Services , Founder & President (Khs, USA).