DISA Global Solutions Executive and Leadership Team

May, 2026

Leadership Overview

DISA Global Solutions has 7 executives leading key functions including strategy, revenue, operations, information technology, retail, finance, 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
  • 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 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 guides the company's expansion in safety and compliance services, ensuring alignment with market demands for drug and alcohol testing, background screening, and occupational health. This leadership role involves fostering innovation and driving growth across all business units. Peterson's focus remains on enhancing the company's service delivery and maintaining its reputation for reliability. The Chief Executive Officer ensures that DISA Global Solutions consistently meets and exceeds industry standards. John Peterson's strategic vision shapes the company's direction, emphasizing client success and operational excellence. This executive oversees the integration of new technologies and service offerings to maintain a competitive edge in the safety and compliance sector. Peterson's leadership ensures robust governance and ethical business practices throughout the organization.
    John Peterson

    Adam Hartway - Global Chief Executive Officer, Retail

    Adam Hartway, the Global Chief Executive Officer, Retail at DISA Global Solutions, spearheads the strategic direction and operational oversight for the company's retail sector initiatives. Hartway focuses on expanding DISA Global Solutions' presence and service offerings within the retail industry, particularly concerning safety, compliance, and workforce management solutions. This executive drives the development of tailored drug and alcohol testing, background screening, and occupational health programs designed for retail environments. The Global Chief Executive Officer, Retail works to enhance client relationships and market share within this specific vertical. Adam Hartway's leadership ensures that retail clients receive specialized support and solutions that address their unique operational challenges. This role involves identifying growth opportunities and fostering strategic partnerships to strengthen DISA Global Solutions' position in the global retail market. Hartway guides the retail division towards achieving its revenue and operational objectives.

    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 oversees the formulation of annual budgets, monitors financial performance against targets, and ensures efficient allocation of resources across all departments. This executive plays a key role in financial forecasting and risk management, supporting strategic decision-making. The Director, Office of Budget Formulation and Execution, Office of the Chief Financial Officer ensures fiscal responsibility and compliance with financial regulations. Brian Shimel's expertise is critical for maintaining the financial health and stability of DISA Global Solutions. This role involves collaborating with various business units to align financial plans with operational goals and strategic initiatives. Shimel drives financial discipline and optimizes resource utilization to support company growth.

    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 company functions. Vig oversees the efficiency and effectiveness of drug and alcohol testing, background screening, and occupational health services, ensuring seamless integration and high-quality output. This executive is responsible for optimizing operational workflows, implementing best practices, and driving continuous improvement initiatives. The Chief Operating Officer plays a critical role in scaling operations to meet increasing client demand and expanding market reach. Vikas Vig's leadership ensures that DISA Global Solutions maintains its commitment to accuracy and compliance in all service offerings. This role involves close collaboration with technology and client services teams to enhance the overall client experience. Vig drives operational excellence, focusing on resource allocation and process optimization to support the company's strategic objectives.

    Gary Wiese - Chief Revenue Officer

    Gary Wiese, the Chief Revenue Officer at DISA Global Solutions, architects and executes the company's revenue generation strategies. Wiese oversees all sales, marketing, and business development functions, driving market penetration and client acquisition. This executive focuses on expanding DISA Global Solutions' footprint in the safety and compliance sector, particularly in drug and alcohol testing and background screening services. Wiese's leadership ensures a cohesive approach to revenue growth, optimizing sales channels and customer relationship management. The Chief Revenue Officer works closely with operational teams to ensure service delivery meets client expectations, directly impacting client retention and revenue streams. Gary Wiese's strategic initiatives are crucial for achieving financial targets and sustaining the company's growth trajectory. This role involves identifying new market opportunities and developing strategic partnerships to enhance the company's service offerings and market reach. Wiese drives the commercial success of DISA Global Solutions through proactive market engagement and sales leadership.

    Roger Greenwell - Chief Information Officer

    Roger Greenwell, the Chief Information Officer at DISA Global Solutions, directs the company's technology strategy and infrastructure development. Greenwell oversees the implementation and management of IT systems supporting drug and alcohol testing, background screening, and occupational health services, ensuring data security and system reliability. This executive is responsible for leveraging technology to enhance operational efficiency and client experience. The Chief Information Officer drives innovation in digital platforms and data management, crucial for maintaining DISA Global Solutions' competitive advantage. Roger Greenwell's leadership ensures robust cybersecurity measures and compliance with data privacy regulations. This role involves evaluating and adopting new technologies to support business growth and service expansion. Greenwell champions digital transformation initiatives, ensuring technology aligns with the company's strategic goals for safety and compliance.

    Amber Dossey - Chief Human Resources Officer

    Amber Dossey, the Chief Human Resources Officer at DISA Global Solutions, directs the company's human capital strategy and organizational development. Dossey oversees talent acquisition, employee relations, compensation, and benefits, fostering a positive and productive work environment. This executive is responsible for developing and implementing HR policies that support DISA Global Solutions' mission and values, particularly in the safety and compliance sector. The Chief Human Resources Officer plays a vital role in employee engagement, performance management, and leadership development. Amber Dossey's leadership ensures that the company attracts, retains, and develops top talent to drive operational success. This role involves aligning HR initiatives with business objectives, supporting workforce planning, and promoting a culture of continuous learning and compliance. Dossey champions initiatives that enhance employee well-being and organizational effectiveness.

    Explore Leadership Teams in Business Services

    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 Revenue Officer.