DISA Global Solutions Executive and Leadership Team

June, 2026

Leadership Overview

DISA Global Solutions has 7 executives leading key functions including strategy, information technology, operations, revenue generation, budget formulation, human resources, and retail leadership.

Driven by a commitment to safety and compliance, DISA Global Solutions provides comprehensive drug and alcohol testing, background screening, and occupational health services, impacting market integrity nationwide.

Leadership Roles at DISA Global Solutions

  • Chief Executive Officer - John Peterson
  • Global Chief Executive Officer, Retail - Adam Hartway
  • Director, Office of Budget Formulation and Execution, Office of the Chief Financial Officer - Brian Shimel
  • Chief Operating Officer - Vikas Vig
  • Chief Information Officer - Roger Greenwell
  • Chief Revenue Officer - Gary Wiese
  • Chief Human Resources Officer - Amber Dossey
  • John Peterson - Chief Executive Officer

    John Peterson, the Chief Executive Officer at DISA Global Solutions, directs the overarching corporate strategy and operational framework. Overseeing all business units, the Chief Executive Officer ensures alignment with the company's mission of providing essential safety and compliance services. This leadership role involves driving market expansion and maintaining the highest standards in drug and alcohol testing, background screening, and occupational health offerings. By fostering innovation and operational excellence, John Peterson directly impacts the company's ability to serve its diverse client base across the United States. Ultimately, Peterson secures DISA Global Solutions' position as a leader in the compliance industry.
    John Peterson

    Adam Hartway - Global Chief Executive Officer, Retail

    Adam Hartway, the Global Chief Executive Officer, Retail at DISA Global Solutions, leads the strategic direction and operational execution for the company's retail sector initiatives. Overseeing all retail-focused operations, the Global Chief Executive Officer, Retail ensures the effective delivery of compliance solutions tailored to the unique needs of the retail industry, including background screening and drug testing programs. This leadership role involves driving market growth, forging key industry partnerships, and enhancing service offerings within the retail landscape. By focusing on specialized retail compliance needs, Adam Hartway directly impacts the company's ability to serve this vital market segment. Ultimately, Hartway strengthens DISA Global Solutions' presence and effectiveness in the global retail sector.

    Brian Shimel - Director, Office of Budget Formulation and Execution, Office of the Chief Financial Officer

    Brian Shimel, the Director, Office of Budget Formulation and Execution, Office of the Chief Financial Officer at DISA Global Solutions, manages the financial planning and resource allocation processes. Overseeing the development and execution of the company's budget, the Director ensures fiscal responsibility and strategic investment in core services like drug and alcohol testing and background screening. This leadership role involves analyzing financial performance, identifying cost-saving opportunities, and supporting financial decision-making across the organization. By maintaining rigorous financial controls and forecasting accuracy, Brian Shimel directly supports the company's long-term financial health and operational stability. Ultimately, Shimel ensures efficient resource utilization to achieve strategic goals.

    Vikas Vig - Chief Operating Officer

    Vikas Vig, the Chief Operating Officer at DISA Global Solutions, manages the day-to-day operational execution and service delivery across all functional areas. Overseeing the integration of drug and alcohol testing, background screening, and occupational health services, the Chief Operating Officer ensures seamless client support and adherence to stringent compliance standards. This critical role involves optimizing operational workflows, enhancing service efficiency, and driving process improvements to meet market demands. By streamlining operations and fostering a culture of excellence, Vikas Vig directly supports the company's mission of providing reliable safety and compliance solutions. Ultimately, Vig ensures the consistent delivery of high-quality services nationwide.

    Roger Greenwell - Chief Information Officer

    Roger Greenwell, the Chief Information Officer at DISA Global Solutions, architects the company's technology infrastructure and digital transformation initiatives. Overseeing all IT operations, the Chief Information Officer ensures the security, scalability, and efficiency of the company's data management systems, which are critical for drug and alcohol testing and background screening services. This leadership position involves developing and implementing robust technological solutions that support business growth and enhance client experience. By optimizing data integrity and system performance, Roger Greenwell directly contributes to DISA Global Solutions' operational reliability and competitive edge. Ultimately, Greenwell safeguards the company's digital assets and drives technological advancement.

    Gary Wiese - Chief Revenue Officer

    Gary Wiese, the Chief Revenue Officer at DISA Global Solutions, spearheads all revenue-generating activities and sales strategies. Overseeing the sales, marketing, and business development functions, the Chief Revenue Officer drives market penetration and client acquisition for drug and alcohol testing, background screening, and occupational health services. This executive position involves cultivating strategic partnerships and expanding the company's market reach across various industries. By developing and executing effective revenue models, Gary Wiese directly contributes to the financial growth and sustained success of DISA Global Solutions. Ultimately, Wiese ensures the company achieves its commercial objectives and strengthens its market position.

    Amber Dossey - Chief Human Resources Officer

    Amber Dossey, the Chief Human Resources Officer at DISA Global Solutions, directs all human capital strategies and organizational development initiatives. Overseeing talent acquisition, employee relations, and performance management, the Chief Human Resources Officer cultivates a high-performing workforce essential for delivering specialized compliance services. This executive position involves fostering a positive company culture and ensuring compliance with labor laws across all operational regions. By championing employee engagement and professional development, Amber Dossey directly contributes to DISA Global Solutions' ability to attract and retain top talent. Ultimately, Dossey ensures the organization's human resources support its strategic objectives and operational excellence.

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    Frequently Asked Questions Regarding DISA Global Solutions Top Executives and Leadership Team

    Who leads DISA Global Solutions?
    DISA Global Solutions is led by John Peterson (Chief Executive Officer), along with executives such as Adam Hartway (Global Chief Executive Officer, Retail) and Brian Shimel (Director, Office of Budget Formulation and Execution, Office of the Chief Financial Officer).
    Who is part of DISA Global Solutions’s executive team?
    The executive team of DISA Global Solutions includes leaders such as John Peterson (Chief Executive Officer), Adam Hartway (Global Chief Executive Officer, Retail), Brian Shimel (Director, Office of Budget Formulation and Execution, Office of the Chief Financial Officer) and other senior executives.
    How many executives does DISA Global Solutions have?
    DISA Global Solutions has 7 executives leading key business areas.
    What roles are included in DISA Global Solutions’s leadership team?
    The leadership team of DISA Global Solutions includes roles such as Chief Executive Officer, Global Chief Executive Officer, Retail, Director, Office of Budget Formulation and Execution, Office of the Chief Financial Officer, Chief Operating Officer, Chief Information Officer.