VHB Executive and Leadership Team

September, 2026

Leadership Overview

VHB has 4 executives leading key functions including corporate strategy, operational management, regional development, and executive oversight.

Focused on delivering integrated transportation and environmental solutions, VHB advances sustainable infrastructure development while maintaining a commitment to engineering excellence and long-term community impact across the United States.

Leadership Roles at VHB

  • Chair and Chief Executive Officer - Michael Carragher
  • President & Chief Executive Officer - William Ashworth
  • Chief Executive Officer of VHB Metro DC, LLC - Stephen Thomas
  • Chief Operating Officer - Thomas (Tom) Jackmin
  • Michael Carragher - Chair and Chief Executive Officer

    Michael Carragher, the Chair and Chief Executive Officer at VHB, directs the overarching corporate strategy and long-term vision for the firm. Carragher oversees the integration of transportation, land development, and environmental consulting services to ensure consistent market growth. By aligning board objectives with operational execution, the Chair and Chief Executive Officer maintains high standards for project delivery across all sectors. Michael Carragher fosters a culture of innovation that supports complex infrastructure challenges throughout the country. This leadership role involves constant engagement with stakeholders to refine the firm's competitive positioning in the architecture and construction landscape. Through rigorous oversight of corporate governance, the Chair and Chief Executive Officer ensures that VHB remains a leader in sustainable development. Carragher drives the firm toward achieving ambitious performance targets while upholding the core values established since the inception of the organization in 1979.
    Michael Carragher

    William Ashworth - President & Chief Executive Officer

    William Ashworth, the President & Chief Executive Officer at VHB, manages the daily business operations and internal organizational health. Ashworth executes the strategic initiatives necessary to scale the firm's integrated consulting services across diverse regional markets. By coordinating with department heads, the President & Chief Executive Officer optimizes resource allocation to improve project efficiency and client satisfaction. William Ashworth monitors financial performance and operational metrics to ensure the firm meets its growth objectives. This leadership position requires balancing immediate project demands with the long-term sustainability goals of the company. Through active management of internal processes, the President & Chief Executive Officer strengthens the firm's capacity to handle large-scale transportation and land development projects. Ashworth maintains a focus on operational excellence, ensuring that every team member contributes effectively to the broader mission of delivering high-quality environmental and engineering solutions.
    William Ashworth

    Stephen Thomas - Chief Executive Officer of VHB Metro DC, LLC

    Stephen Thomas, the Chief Executive Officer of VHB Metro DC, LLC at VHB, leads all business activities within the critical Mid-Atlantic market. Thomas architects regional growth strategies that leverage the firm's expertise in transportation and environmental consulting to secure major infrastructure contracts. By overseeing local project teams, the Chief Executive Officer of VHB Metro DC, LLC ensures that regional operations align with the national standards of the firm. Stephen Thomas cultivates relationships with public and private sector clients to expand the company's footprint in the capital region. This role involves navigating complex regulatory environments and managing the unique demands of urban land development. Through strategic planning and local market analysis, the Chief Executive Officer of VHB Metro DC, LLC drives revenue and enhances the firm's reputation for technical excellence. Thomas secures the firm's competitive advantage by delivering tailored solutions that address the specific infrastructure needs of the metropolitan area.

    Thomas (Tom) Jackmin - Chief Operating Officer

    Thomas (Tom) Jackmin, the Chief Operating Officer at VHB, supervises the execution of technical services and the delivery of complex engineering projects. Jackmin manages the firm's operational infrastructure, ensuring that project teams possess the necessary tools and processes to succeed in the transportation and environmental sectors. By streamlining workflows and implementing best practices, the Chief Operating Officer improves the overall productivity of the organization. Thomas (Tom) Jackmin coordinates with other executive leaders to ensure that operational capacity matches the strategic goals of the firm. This leadership role involves monitoring project lifecycles from inception to completion to maintain quality control and budget adherence. Through the optimization of internal systems, the Chief Operating Officer supports the firm's ability to scale its consulting services effectively. Jackmin drives operational efficiency, ensuring that the company consistently meets the rigorous demands of modern land development and infrastructure projects.
    Thomas (Tom) Jackmin

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    Frequently Asked Questions Regarding VHB Top Executives and Leadership Team

    Who leads VHB?
    VHB is led by Michael Carragher (Chair and Chief Executive Officer), along with executives such as William Ashworth (President & Chief Executive Officer) and Stephen Thomas (Chief Executive Officer of VHB Metro DC, LLC).
    Who is part of VHB’s executive team?
    The executive team of VHB includes leaders such as Michael Carragher (Chair and Chief Executive Officer), William Ashworth (President & Chief Executive Officer), Stephen Thomas (Chief Executive Officer of VHB Metro DC, LLC) and other senior executives.
    How many executives does VHB have?
    VHB has 4 executives leading key business areas.
    What roles are included in VHB’s leadership team?
    The leadership team of VHB includes roles such as Chair and Chief Executive Officer, President & Chief Executive Officer, Chief Executive Officer of VHB Metro DC, LLC, Chief Operating Officer.