DISA Global Solutions Executive and Leadership Team

July, 2026

Leadership Overview

DISA Global Solutions has 6 executives leading key functions including strategy, operations, technology, revenue, human capital, and financial execution.

Driven by a commitment to safety and compliance, DISA Global Solutions provides comprehensive drug and alcohol testing, background screening, and occupational health services, solidifying its market position through robust operational integrity and client-focused solutions.

Leadership Roles at DISA Global Solutions

  • Chief Executive Officer - John Peterson
  • 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 vision. Peterson guides the company's expansion in safety and compliance services, including drug and alcohol testing, background screening, and occupational health. This leadership role ensures alignment with market demands and regulatory landscapes, driving innovation across all service verticals. Peterson's strategic initiatives focus on enhancing operational efficiency and client satisfaction, reinforcing DISA Global Solutions' position as a leader in the industry. The Chief Executive Officer's oversight extends to fostering a culture of integrity and excellence throughout the organization. By championing new service development and market penetration strategies, John Peterson actively shapes the company's future growth trajectory and its impact on workplace safety nationwide.
    John Peterson

    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 critical financial planning and resource allocation processes. Shimel oversees the formulation and execution of budgets, ensuring fiscal responsibility and strategic alignment across the organization's safety and compliance services. This leadership function is integral to maintaining financial health and supporting operational objectives. Shimel's responsibilities include financial analysis, forecasting, and the implementation of budgetary controls to optimize resource utilization. The Director's role ensures that financial strategies effectively support DISA Global Solutions' growth and operational efficiency. By meticulously managing financial resources, Brian Shimel contributes directly to the company's stability and its capacity to deliver essential services nationwide.

    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. Vig oversees the integration of drug and alcohol testing, background screening, and occupational health services, ensuring seamless client experiences. This executive function focuses on optimizing internal processes and resource allocation to meet stringent compliance standards. Vig's responsibilities include driving operational excellence across all departments, enhancing service quality, and implementing scalable solutions that support the company's growth objectives. The Chief Operating Officer's leadership ensures that DISA Global Solutions consistently delivers reliable and efficient safety and compliance programs. By streamlining workflows and improving system performance, Vikas Vig directly contributes to the company's ability to serve a broad client base across the United States.

    Roger Greenwell - Chief Information Officer

    Roger Greenwell, the Chief Information Officer at DISA Global Solutions, architects and manages the company's technology infrastructure and digital strategy. Greenwell oversees the development and maintenance of secure, reliable systems that support drug and alcohol testing, background screening, and occupational health platforms. This critical role ensures data integrity and compliance with privacy regulations across all technological operations. Greenwell's focus includes driving digital transformation initiatives, enhancing cybersecurity measures, and leveraging data analytics to improve service delivery and operational insights. The Chief Information Officer's leadership is essential for maintaining DISA Global Solutions' competitive edge through advanced technological solutions. By implementing innovative IT strategies, Roger Greenwell empowers the organization to adapt to evolving industry demands and client needs.

    Gary Wiese - Chief Revenue Officer

    Gary Wiese, the Chief Revenue Officer at DISA Global Solutions, spearheads all revenue generation and sales strategies. Wiese directs the expansion of market share for the company's comprehensive safety and compliance services, including drug and alcohol testing and background screening. This executive position focuses on cultivating client relationships and identifying new business opportunities across various industries. Wiese's leadership drives the sales team's performance and ensures alignment with corporate growth targets. The Chief Revenue Officer's strategic approach involves developing effective sales channels and optimizing the customer acquisition process. By fostering a high-performance sales culture, Gary Wiese significantly contributes to DISA Global Solutions' sustained revenue growth and market penetration.

    Amber Dossey - Chief Human Resources Officer

    Amber Dossey, the Chief Human Resources Officer at DISA Global Solutions, leads all human capital management and organizational development initiatives. Dossey oversees talent acquisition, employee relations, and the implementation of HR policies that support a compliant and productive work environment. This role is crucial for fostering a strong company culture and ensuring employee engagement across all operational functions. Dossey's strategic focus includes developing robust training programs and performance management systems that align with the company's mission in safety and compliance services. The Chief Human Resources Officer's leadership ensures that DISA Global Solutions attracts, retains, and develops top talent. By championing employee well-being and professional growth, Amber Dossey plays a vital part in the company's overall success and operational effectiveness.

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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 Brian Shimel (Director, Office of Budget Formulation and Execution, Office of the Chief Financial Officer) and Vikas Vig (Chief Operating 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), Brian Shimel (Director, Office of Budget Formulation and Execution, Office of the Chief Financial Officer), Vikas Vig (Chief Operating Officer) and other senior executives.
    How many executives does DISA Global Solutions have?
    DISA Global Solutions has 6 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, Director, Office of Budget Formulation and Execution, Office of the Chief Financial Officer, Chief Operating Officer, Chief Information Officer, Chief Revenue Officer.