TRC Companies Executive and Leadership Team

October, 2026

Leadership Overview

TRC Companies has 10 executives leading key functions including financial strategy, operational management, organizational alignment, and sector-specific engineering solutions.

Committed to delivering tech-enabled engineering and environmental consulting, TRC Companies empowers utility, government, and industrial clients through sustainable infrastructure development and innovative, data-driven project execution across diverse global markets.

Leadership Roles at TRC Companies

  • Chief Financial Officer - Jason Greenlaw
  • Chief Operating Officer - Quantavia Hilbert
  • Chief Operating Officer, Clean Transportation Solutions - Sean Turner
  • Chief Operating Officer, Infrastructure Sector - Douglas Massih
  • Chief Operating Officer, Environment & Infrastructure Sector - Mark Robbins
  • President - Deacon Shoener
  • President, Sector, Trc Digital Solutions - Craig Cavanaugh
  • President - Richard Grossman
  • President - Dale Vollrath
  • Chief of Staff - Ashley Greene
  • Jason Greenlaw - Chief Financial Officer

    Jason Greenlaw, the Chief Financial Officer at TRC Companies, directs all fiscal planning and capital allocation strategies. Overseeing the financial health of the organization, the Chief Financial Officer ensures rigorous compliance and accurate reporting across all utility and industrial service lines. This leadership role involves managing complex budgetary frameworks to support long-term growth and operational efficiency. By optimizing capital structures, Jason Greenlaw directly impacts the ability of the firm to invest in new engineering technologies. Furthermore, the Chief Financial Officer collaborates with the Board to maintain fiscal transparency and drive shareholder value. Through disciplined oversight of corporate assets, Greenlaw secures the financial stability necessary for expanding market reach. The Chief Financial Officer remains focused on mitigating economic risks while fostering sustainable revenue streams across North American operations, ultimately strengthening the competitive position of the firm within the environmental services sector.
    Jason Greenlaw

    Quantavia Hilbert - Chief Operating Officer

    Quantavia Hilbert, the Chief Operating Officer at TRC Companies, manages internal business processes and cross-functional operational workflows. Overseeing the integration of engineering and consulting services, the Chief Operating Officer ensures seamless delivery of projects for government and commercial clients. This leadership role involves streamlining organizational performance to maximize productivity and service quality. By implementing scalable operational models, Quantavia Hilbert directly impacts the efficiency of project lifecycles. Furthermore, the Chief Operating Officer coordinates with sector leaders to align resource allocation with evolving market demands. Through continuous improvement initiatives, Hilbert drives operational excellence across the entire enterprise. The Chief Operating Officer maintains a focus on enhancing service delivery standards while supporting the broader mission of providing tech-enabled solutions. Ultimately, the Chief Operating Officer fosters a culture of high performance, ensuring that the firm meets complex client requirements with precision and technical expertise.

    Sean Turner - Chief Operating Officer, Clean Transportation Solutions

    Sean Turner, the Chief Operating Officer, Clean Transportation Solutions at TRC Companies, directs the development and implementation of sustainable mobility infrastructure. Overseeing the expansion of clean energy projects, the Chief Operating Officer, Clean Transportation Solutions ensures that utility and government clients receive cutting-edge technical support for electrification initiatives. This leadership role involves managing specialized engineering teams focused on reducing carbon footprints through innovative transportation systems. By scaling clean energy operations, Sean Turner directly impacts the transition toward greener industrial practices. Furthermore, the Chief Operating Officer, Clean Transportation Solutions collaborates with regulatory bodies to ensure compliance and project viability. Through strategic oversight of transportation-related engineering, Turner drives growth in the clean energy market. The Chief Operating Officer, Clean Transportation Solutions remains committed to advancing the firm's reputation as a leader in sustainable infrastructure, ultimately delivering high-impact solutions that support the global shift toward cleaner transportation networks.
    Sean Turner

    Douglas Massih - Chief Operating Officer, Infrastructure Sector

    Douglas Massih, the Chief Operating Officer, Infrastructure Sector at TRC Companies, manages the delivery of large-scale engineering and construction projects. Overseeing the operational performance of the infrastructure division, the Chief Operating Officer, Infrastructure Sector ensures that utility and industrial clients receive robust, reliable, and compliant engineering services. This leadership role involves optimizing project management methodologies to improve safety and efficiency across complex sites. By driving technical excellence in infrastructure development, Douglas Massih directly impacts the firm's ability to secure and execute major public works contracts. Furthermore, the Chief Operating Officer, Infrastructure Sector coordinates with regional teams to ensure consistent service delivery across diverse geographic markets. Through rigorous oversight of engineering standards, Massih maintains the firm's competitive edge in the infrastructure sector. The Chief Operating Officer, Infrastructure Sector remains focused on delivering high-quality, sustainable solutions that support the long-term growth and operational success of the entire organization.
    Douglas Massih

    Mark Robbins - Chief Operating Officer, Environment & Infrastructure Sector

    Mark Robbins, the Chief Operating Officer, Environment & Infrastructure Sector at TRC Companies, directs the integration of environmental consulting with infrastructure development services. Overseeing the technical teams responsible for environmental compliance and site remediation, the Chief Operating Officer, Environment & Infrastructure Sector ensures that industrial and government clients meet stringent regulatory requirements. This leadership role involves managing complex environmental assessments and engineering projects that support sustainable land use. By aligning environmental expertise with infrastructure needs, Mark Robbins directly impacts the firm's ability to provide comprehensive, tech-enabled solutions. Furthermore, the Chief Operating Officer, Environment & Infrastructure Sector coordinates with cross-functional teams to drive innovation in environmental management. Through strategic oversight of sector operations, Robbins ensures that the firm remains a trusted partner for environmental stewardship. The Chief Operating Officer, Environment & Infrastructure Sector remains dedicated to delivering high-value services that balance industrial growth with environmental responsibility.
    Mark Robbins

    Deacon Shoener - President

    Deacon Shoener, the President at TRC Companies, leads the overall strategic direction and business development efforts for the firm. Overseeing the expansion of service offerings, the President ensures that the organization maintains its position as a leader in tech-enabled engineering and consulting. This leadership role involves cultivating key client relationships and identifying new market opportunities within the utility and industrial sectors. By driving growth initiatives, Deacon Shoener directly impacts the firm's market share and revenue performance. Furthermore, the President collaborates with other executive leaders to ensure that operational strategies align with the long-term vision of the company. Through visionary leadership, Shoener fosters a culture of innovation and excellence across all business units. The President remains focused on delivering superior value to clients while navigating the complexities of the environmental services industry. Ultimately, the President secures the firm's future by championing sustainable practices and high-quality service delivery.

    Craig Cavanaugh - President, Sector, Trc Digital Solutions

    Craig Cavanaugh, the President, Sector, Trc Digital Solutions at TRC Companies, directs the development and deployment of digital tools and software platforms. Overseeing the digital transformation of engineering services, the President, Sector, Trc Digital Solutions ensures that clients benefit from advanced data analytics and tech-enabled project management. This leadership role involves managing the integration of digital solutions into traditional consulting workflows to enhance efficiency and accuracy. By championing digital innovation, Craig Cavanaugh directly impacts the firm's ability to provide modern, data-driven insights. Furthermore, the President, Sector, Trc Digital Solutions collaborates with other sector leaders to implement digital strategies that support broader business objectives. Through the strategic application of technology, Cavanaugh drives the modernization of the firm's service portfolio. The President, Sector, Trc Digital Solutions remains focused on maintaining a competitive advantage through digital excellence, ultimately ensuring that the firm delivers cutting-edge solutions that meet the evolving needs of the digital economy.

    Richard Grossman - President

    Richard Grossman, the President at TRC Companies, manages the execution of corporate strategy and oversees the performance of key business units. Overseeing the delivery of diversified environmental services, the President ensures that the firm meets the complex needs of utility and government clients. This leadership role involves driving operational improvements and fostering a culture of technical excellence across the organization. By aligning business activities with market demands, Richard Grossman directly impacts the firm's ability to deliver high-quality engineering and consulting solutions. Furthermore, the President coordinates with the executive team to refine service offerings and expand the firm's footprint in key industrial markets. Through disciplined management and strategic foresight, Grossman supports the long-term growth and stability of the company. The President remains committed to maintaining the firm's reputation for reliability and innovation, ultimately ensuring that the organization continues to provide essential services that support sustainable infrastructure development.

    Dale Vollrath - President

    Dale Vollrath, the President at TRC Companies, directs the strategic growth and market expansion efforts for specific business segments. Overseeing the development of specialized engineering services, the President ensures that the firm provides tailored solutions to meet the unique requirements of commercial and industrial clients. This leadership role involves managing high-level client engagements and driving the adoption of innovative consulting practices. By focusing on market-specific growth, Dale Vollrath directly impacts the firm's ability to capture new opportunities in the environmental services sector. Furthermore, the President collaborates with operational leaders to ensure that service delivery remains consistent and high-quality. Through strategic leadership, Vollrath fosters a culture of accountability and performance across the organization. The President remains dedicated to advancing the firm's mission by delivering tech-enabled solutions that address complex environmental and infrastructure challenges, ultimately securing the firm's position as a preferred partner in the industry.

    Ashley Greene - Chief of Staff

    Ashley Greene, the Chief of Staff at TRC Companies, coordinates executive communications and facilitates strategic alignment across the leadership team. Overseeing the execution of corporate initiatives, the Chief of Staff ensures that organizational goals remain synchronized with the mission of providing diversified environmental services. This leadership role involves managing high-priority projects and streamlining decision-making processes for the C-suite. By bridging communication gaps between departments, Ashley Greene directly impacts the agility of the firm. Furthermore, the Chief of Staff supports the development of long-term business strategies by synthesizing data from various sectors. Through meticulous planning and stakeholder management, Greene optimizes the effectiveness of executive operations. The Chief of Staff remains dedicated to fostering a cohesive work environment that supports the delivery of tech-enabled engineering solutions. Ultimately, the Chief of Staff drives organizational momentum, ensuring that the firm maintains a clear focus on its core objectives and market impact.

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    Frequently Asked Questions Regarding TRC Companies Top Executives and Leadership Team

    Who leads TRC Companies?
    TRC Companies is led by Jason Greenlaw (Chief Financial Officer), along with executives such as Quantavia Hilbert (Chief Operating Officer) and Sean Turner (Chief Operating Officer, Clean Transportation Solutions).
    Who is part of TRC Companies’s executive team?
    The executive team of TRC Companies includes leaders such as Jason Greenlaw (Chief Financial Officer), Quantavia Hilbert (Chief Operating Officer), Sean Turner (Chief Operating Officer, Clean Transportation Solutions) and other senior executives.
    How many executives does TRC Companies have?
    TRC Companies has 10 executives leading key business areas.
    What roles are included in TRC Companies’s leadership team?
    The leadership team of TRC Companies includes roles such as Chief Financial Officer, Chief Operating Officer, Chief Operating Officer, Clean Transportation Solutions, Chief Operating Officer, Infrastructure Sector, Chief Operating Officer, Environment & Infrastructure Sector.