DISA Global Solutions Executive and Leadership Team

July, 2026

Leadership Overview

DISA Global Solutions has 6 executives leading key functions including strategy, operations, revenue, information technology, budget formulation, and human resources.

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 Revenue Officer - Gary Wiese
  • Chief Information Officer - Roger Greenwell
  • 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. Peterson's leadership ensures the company's continued expansion in safety and compliance services, including drug and alcohol testing, background screening, and occupational health. This executive guides the integration of new technologies and service enhancements to meet evolving industry demands. By fostering a culture of accountability and innovation, Peterson drives the company's mission to provide reliable and efficient solutions to clients across various sectors. The Chief Executive Officer's role involves close collaboration with department heads to align departmental objectives with long-term business goals, ensuring sustained growth and market leadership. John Peterson's strategic vision is central to maintaining DISA Global Solutions' reputation for excellence and integrity in the compliance sector.
    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 the company's financial planning and budget execution processes. Shimel's responsibilities include developing comprehensive budgets, forecasting financial performance, and ensuring fiscal discipline across all departments. This executive plays a critical role in resource allocation, financial analysis, and the implementation of financial controls to support the company's strategic objectives. The Director, Office of Budget Formulation and Execution, Office of the Chief Financial Officer works to optimize financial operations and identify cost-saving opportunities. By overseeing budget formulation and execution, Brian Shimel ensures that financial resources are effectively deployed to support growth initiatives in drug and alcohol testing, background screening, and occupational health services. Shimel's financial acumen is essential for maintaining the company's financial health and stability.

    Vikas Vig - Chief Operating Officer

    Vikas Vig, the Chief Operating Officer at DISA Global Solutions, oversees the day-to-day operational execution and service delivery. Vig's responsibilities encompass optimizing the efficiency of drug and alcohol testing programs, background screening processes, and occupational health services. This executive ensures seamless integration of operational workflows to maintain high standards of accuracy and compliance. Vig drives initiatives aimed at enhancing service delivery channels and improving client experience across all operational touchpoints. The Chief Operating Officer's focus includes managing resource allocation, streamlining internal processes, and implementing best practices to support the company's growth objectives. By directing operational teams, Vikas Vig ensures that DISA Global Solutions consistently meets and exceeds client expectations for safety and compliance solutions. Vig's leadership is critical for scaling operations effectively and maintaining service quality across the organization.

    Gary Wiese - Chief Revenue Officer

    Gary Wiese, the Chief Revenue Officer at DISA Global Solutions, leads all revenue generation strategies and sales operations. Wiese's mandate includes expanding market penetration for drug and alcohol testing, background screening, and occupational health services. This executive develops and executes comprehensive sales plans to drive revenue growth and achieve financial targets. The Chief Revenue Officer works closely with marketing and operations teams to ensure a cohesive go-to-market strategy. Wiese's role involves building and managing high-performing sales teams, fostering strong client relationships, and identifying new business opportunities. By focusing on customer acquisition and retention, Gary Wiese directly contributes to the company's sustained profitability and market expansion. Wiese's strategic approach to revenue management is essential for DISA Global Solutions' continued success and competitive positioning.

    Roger Greenwell - Chief Information Officer

    Roger Greenwell, the Chief Information Officer at DISA Global Solutions, directs the company's technology strategy and information systems. Greenwell is responsible for overseeing the development and implementation of robust IT infrastructure that supports drug and alcohol testing, background screening, and occupational health services. This executive ensures data security, system reliability, and technological innovation across the organization. The Chief Information Officer's focus includes managing IT operations, cybersecurity measures, and digital transformation initiatives to enhance service delivery and operational efficiency. By leveraging technology, Roger Greenwell drives improvements in data management, client portals, and internal systems. Greenwell's leadership ensures that DISA Global Solutions maintains a competitive technological edge, safeguarding sensitive client information and supporting scalable business operations. The CIO's role is vital for maintaining system integrity and enabling future growth.

    Amber Dossey - Chief Human Resources Officer

    Amber Dossey, the Chief Human Resources Officer at DISA Global Solutions, leads all human capital management strategies and initiatives. Dossey is responsible for talent acquisition, employee development, compensation and benefits, and fostering a positive organizational culture. This executive ensures that HR policies and practices align with the company's mission of safety and compliance, supporting its workforce in delivering drug and alcohol testing, background screening, and occupational health services. The Chief Human Resources Officer drives initiatives to enhance employee engagement, performance management, and workforce planning. By focusing on talent development and retention, Amber Dossey builds a skilled and motivated team essential for DISA Global Solutions' operational success. Dossey's leadership in human resources is critical for cultivating an environment that supports employee growth and organizational objectives.

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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 Revenue Officer, Chief Information Officer.