SourceAmerica Executive and Leadership Team

August, 2026

Leadership Overview

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

Committed to expanding employment for individuals with disabilities, SourceAmerica drives social impact through inclusive staffing solutions and professional development programs across the United States.

Leadership Roles at SourceAmerica

  • Chief Executive Officer - George Marczewski
  • President & Chief Executive Officer - Bob Chamberlin
  • Executive Administrator To President and Chief Executive Officer - Angie Ritterpusch
  • 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 organization. Focusing on the mission to provide job opportunities for employees with disabilities, Marczewski aligns internal resources with national staffing goals. The Chief Executive Officer manages high-level partnerships with federal agencies and private sector entities to expand the footprint of inclusive employment. By optimizing organizational efficiency, George Marczewski ensures the long-term sustainability of the non-profit model. This leadership role involves constant evaluation of market trends to identify new sectors for job creation. Through rigorous oversight of corporate governance, the Chief Executive Officer maintains compliance with federal mandates while fostering a culture of accessibility. Marczewski drives the expansion of regional initiatives, ensuring that the mission reaches diverse populations across the country. Ultimately, the Chief Executive Officer secures the resources necessary to support the workforce development programs that define the organization.

    Bob Chamberlin - President & Chief Executive Officer

    Bob Chamberlin, the President & Chief Executive Officer at SourceAmerica, leads the executive team in executing the core mission of the agency. Overseeing the integration of staffing services with disability advocacy, Chamberlin shapes the operational framework for national employment initiatives. The President & Chief Executive Officer coordinates with the Board to establish long-term growth objectives that enhance the visibility of the organization. By championing inclusive hiring practices, Bob Chamberlin influences corporate policy across the United States. This leadership role requires balancing fiscal responsibility with the social mandate of creating meaningful work for individuals with disabilities. Chamberlin directs the implementation of large-scale programs that connect qualified candidates with federal contracts. Through strategic engagement with stakeholders, the President & Chief Executive Officer strengthens the market position of the agency. Ultimately, Chamberlin ensures that the organization remains a leader in the non-profit staffing sector through consistent innovation and advocacy.

    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 administrative workflows supporting the top leadership. Coordinating daily operations for the executive office, Ritterpusch ensures that strategic priorities receive immediate attention. The Executive Administrator To President and Chief Executive Officer facilitates communication between the C-suite and various departments to maintain organizational alignment. By streamlining scheduling and project tracking, Angie Ritterpusch optimizes the productivity of the executive team. This leadership role involves managing sensitive documentation and preparing briefings for high-stakes meetings with federal partners. Ritterpusch oversees the logistical requirements for national initiatives, ensuring that the mission of providing job opportunities for employees with disabilities remains the central focus of all administrative activities. Through meticulous attention to detail, the Executive Administrator To President and Chief Executive Officer supports the seamless execution of corporate objectives. Ultimately, Ritterpusch maintains the operational stability required for the organization to function effectively.

    Lisa Sharpe - Chief Operating Officer, Peckham, Inc.

    Lisa Sharpe, the Chief Operating Officer, Peckham, Inc. at SourceAmerica, manages the operational execution of staffing contracts within the Peckham, Inc. division. Overseeing the daily delivery of services, Sharpe ensures that all programs meet the high standards required for inclusive employment. The Chief Operating Officer, Peckham, Inc. coordinates with regional managers to optimize the performance of staffing initiatives across the country. By refining internal processes, Lisa Sharpe improves the efficiency of job placement and support services for employees with disabilities. This leadership role involves monitoring operational metrics to ensure alignment with the broader mission of the organization. Sharpe directs the implementation of quality control measures that maintain the reputation of the agency. Through proactive management of resources, the Chief Operating Officer, Peckham, Inc. supports the growth of the division. Ultimately, Sharpe ensures that the operational output consistently contributes to the long-term success of the staffing agency.

    Chris Stettler - Chief Information Officer

    Chris Stettler, the Chief Information Officer at SourceAmerica, architects the digital infrastructure necessary to support the agency's staffing mission. Managing the enterprise data systems, Stettler ensures that information flows securely between the organization and its network of partners. The Chief Information Officer drives the adoption of modern software solutions to improve the efficiency of job matching for employees with disabilities. By overseeing the cybersecurity posture, Chris Stettler protects the integrity of sensitive candidate and client data. This leadership role involves collaborating with other C-suite members to integrate technology into the core business model. Stettler directs the digital transformation efforts that enable the organization to scale operations across the United States. Through the implementation of robust data analytics, the Chief Information Officer provides actionable insights that inform strategic decision-making. Ultimately, Stettler ensures that the technological foundation remains resilient and capable of supporting the evolving needs of the workforce.

    Douglas Newhard - Chief Technology Officer

    Douglas Newhard, the Chief Technology Officer at SourceAmerica, leads the development of innovative technical tools that enhance the agency's service delivery. Focusing on the intersection of technology and accessibility, Newhard designs platforms that simplify the recruitment process for individuals with disabilities. The Chief Technology Officer oversees the research and development of new software applications that support the organization's staffing objectives. By managing the technical roadmap, Douglas Newhard ensures that the agency remains at the forefront of industry innovation. This leadership role involves evaluating emerging technologies to determine their potential impact on the non-profit business model. Newhard directs the engineering teams responsible for maintaining the digital ecosystem that connects candidates with employment opportunities. Through strategic investment in technical capabilities, the Chief Technology Officer improves the overall user experience for both employees and corporate clients. Ultimately, Newhard drives the technical advancements that allow the organization to expand its reach and impact.
    Douglas Newhard

    Mike Caldrone - IT Chief of Staff

    Mike Caldrone, the IT Chief of Staff at SourceAmerica, coordinates the strategic initiatives within the information technology department. Managing the alignment of IT projects with the overall organizational mission, Caldrone ensures that technical resources support the staffing goals. The IT Chief of Staff facilitates communication between the technical teams and the executive leadership to ensure transparency and efficiency. By overseeing the project management office, Mike Caldrone tracks the progress of critical digital infrastructure upgrades. This leadership role involves managing the operational budget for the IT department and ensuring that all investments yield measurable results. Caldrone directs the cross-functional teams that implement new software solutions for the organization. Through the optimization of internal workflows, the IT Chief of Staff improves the speed and reliability of technical support services. Ultimately, Caldrone ensures that the IT department remains a high-performing asset that drives the success of the entire agency.

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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 Bob Chamberlin (President & Chief Executive Officer) and Angie Ritterpusch (Executive Administrator To President and 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), Bob Chamberlin (President & Chief Executive Officer), Angie Ritterpusch (Executive Administrator To President and 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, President & Chief Executive Officer, Executive Administrator To President and Chief Executive Officer, Chief Operating Officer, Peckham, Inc., Chief Information Officer.