SourceAmerica Executive and Leadership Team

September, 2026

Leadership Overview

SourceAmerica has 7 executives leading key functions including strategy, administration, operations, and technology.

Driven by a commitment to inclusive employment, SourceAmerica empowers individuals with disabilities through meaningful career opportunities. The organization fosters a diverse workforce while maintaining a national impact on professional accessibility and workplace integration.

Leadership Roles at SourceAmerica

  • Chief Executive Officer - George Marczewski
  • Executive Administrator To President and Chief Executive Officer - Angie Ritterpusch
  • President & Chief Executive Officer - Bob Chamberlin
  • Chief Operating Officer, Peckham, Inc. - Lisa Sharpe
  • Chief Information Officer - Chris Stettler
  • Chief Technology Officer - Douglas Newhard
  • IT Chief of Staff - Mike Caldrone
  • George Marczewski - Chief Executive Officer

    George Marczewski, the Chief Executive Officer at SourceAmerica, directs the overarching strategic vision for the non-profit staffing agency. Marczewski oversees the expansion of job opportunities for employees with disabilities across the United States. By aligning organizational goals with market demands, the Chief Executive Officer ensures the long-term sustainability of employment programs. This leadership role involves constant collaboration with the Board to refine the mission of providing inclusive work environments. George Marczewski drives operational excellence by optimizing resource allocation and strengthening partnerships with federal and commercial entities. Through rigorous oversight of corporate governance, the Chief Executive Officer maintains high standards of accountability. Marczewski champions the integration of diverse talent into the national labor market, ensuring that the agency remains a leader in disability employment advocacy. This executive focus supports the broader mission of creating sustainable career pathways for all individuals.

    Angie Ritterpusch - Executive Administrator To President and Chief Executive Officer

    Angie Ritterpusch, the Executive Administrator To President and Chief Executive Officer at SourceAmerica, manages the complex operational flow between executive leadership and internal departments. Ritterpusch coordinates high-level communications and schedules to ensure the President and Chief Executive Officer maintain focus on core organizational objectives. By streamlining administrative processes, the Executive Administrator To President and Chief Executive Officer enhances the efficiency of the executive office. This role requires precise management of sensitive information and the facilitation of cross-functional meetings. Angie Ritterpusch supports the strategic initiatives of the agency by ensuring that leadership priorities receive immediate attention. Through meticulous organization, the Executive Administrator To President and Chief Executive Officer enables the executive team to execute the mission of providing job opportunities for people with disabilities. Ritterpusch maintains the operational rhythm necessary for the agency to function effectively across its national network.

    Bob Chamberlin - President & Chief Executive Officer

    Bob Chamberlin, the President & Chief Executive Officer at SourceAmerica, architects the long-term growth strategy for the organization. Chamberlin oversees the national mission of connecting individuals with disabilities to meaningful employment within the staffing sector. By engaging with stakeholders and government partners, the President & Chief Executive Officer drives the expansion of the agency's reach. This leadership role involves setting the tone for organizational culture and ensuring that every program aligns with the core mission of inclusivity. Bob Chamberlin manages the executive team to ensure that operational outcomes meet the needs of the workforce. Through strategic planning, the President & Chief Executive Officer secures the resources necessary to sustain the agency's impact. Chamberlin monitors market trends to identify new opportunities for job creation. This executive leadership ensures that the organization remains at the forefront of disability employment services while maintaining operational integrity.

    Lisa Sharpe - Chief Operating Officer, Peckham, Inc.

    Lisa Sharpe, the Chief Operating Officer, Peckham, Inc. at SourceAmerica, directs the daily operational activities of the organization's key partner entity. Sharpe oversees the production and service delivery models that provide employment for individuals with disabilities. By managing supply chain logistics and workforce productivity, the Chief Operating Officer, Peckham, Inc. ensures that operational targets are met consistently. This role involves refining internal processes to maximize efficiency and service quality. Lisa Sharpe collaborates with the executive team to align operational strategies with the agency's mission. Through the implementation of lean management practices, the Chief Operating Officer, Peckham, Inc. drives continuous improvement in service delivery. Sharpe monitors performance metrics to ensure that the organization maintains high standards of operational excellence. This leadership role focuses on scaling the impact of employment programs through rigorous operational oversight and strategic resource management.

    Chris Stettler - Chief Information Officer

    Chris Stettler, the Chief Information Officer at SourceAmerica, directs the digital infrastructure and data management systems that support the agency's staffing operations. Stettler oversees the implementation of secure platforms to track job placements and employee data across the country. By modernizing information systems, the Chief Information Officer ensures that the organization maintains efficient communication channels. This role involves protecting sensitive data while providing the analytics necessary for informed decision-making. Chris Stettler collaborates with other C-suite leaders to integrate technology into the core mission of disability employment. Through the deployment of scalable software solutions, the Chief Information Officer enhances the agency's ability to match candidates with suitable roles. Stettler drives the digital transformation of internal processes to improve service delivery. This leadership role ensures that the technological foundation remains robust, secure, and capable of supporting the agency's national staffing objectives.

    Douglas Newhard - Chief Technology Officer

    Douglas Newhard, the Chief Technology Officer at SourceAmerica, architects the technical framework required to support the agency's staffing and employment services. Newhard oversees the development of innovative tools that facilitate the placement of individuals with disabilities into the workforce. By evaluating emerging technologies, the Chief Technology Officer ensures that the organization remains competitive in the staffing industry. This role involves managing the technical roadmap and ensuring that all systems support the agency's mission. Douglas Newhard collaborates with the IT department to optimize performance and reliability of digital assets. Through the application of advanced engineering principles, the Chief Technology Officer improves the efficiency of job matching algorithms. Newhard drives the adoption of new platforms that enhance user experience for both employees and employers. This leadership role focuses on leveraging technology to solve complex employment challenges and expand the agency's operational capacity.
    Douglas Newhard

    Mike Caldrone - IT Chief of Staff

    Mike Caldrone, the IT Chief of Staff at SourceAmerica, manages the operational execution of the information technology department. Caldrone oversees the alignment of IT projects with the broader strategic goals of the agency. By coordinating resources and timelines, the IT Chief of Staff ensures that technical initiatives support the mission of providing job opportunities for people with disabilities. This role involves bridging the gap between technical teams and executive leadership to ensure clear communication. Mike Caldrone monitors the progress of key IT milestones and addresses operational bottlenecks. Through effective project management, the IT Chief of Staff optimizes the delivery of technology services. Caldrone facilitates collaboration across departments to ensure that IT solutions meet the needs of the workforce. This leadership role focuses on maintaining the operational efficiency of the technology division while supporting the agency's commitment to inclusive employment.

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    Frequently Asked Questions Regarding SourceAmerica Top Executives and Leadership Team

    Who leads SourceAmerica?
    SourceAmerica is led by George Marczewski (Chief Executive Officer), along with executives such as Angie Ritterpusch (Executive Administrator To President and Chief Executive Officer) and Bob Chamberlin (President & Chief Executive Officer).
    Who is part of SourceAmerica’s executive team?
    The executive team of SourceAmerica includes leaders such as George Marczewski (Chief Executive Officer), Angie Ritterpusch (Executive Administrator To President and Chief Executive Officer), Bob Chamberlin (President & Chief Executive Officer) and other senior executives.
    How many executives does SourceAmerica have?
    SourceAmerica has 7 executives leading key business areas.
    What roles are included in SourceAmerica’s leadership team?
    The leadership team of SourceAmerica includes roles such as Chief Executive Officer, Executive Administrator To President and Chief Executive Officer, President & Chief Executive Officer, Chief Operating Officer, Peckham, Inc., Chief Information Officer.