Trinity Consultants Executive and Leadership Team

October, 2026

Leadership Overview

Trinity Consultants has 8 executives leading key functions including corporate strategy, financial oversight, technological innovation, marketing, and specialized divisional operations.

Focused on delivering environmental and engineering excellence, Trinity Consultants empowers global organizations to navigate complex regulatory landscapes while advancing sustainable infrastructure performance and risk management solutions.

Leadership Roles at Trinity Consultants

  • President & Chief Executive Officer - Paul Greywall
  • Chief Financial Officer - David Larsen
  • Divisional President, Built Environment - Walter Mehl
  • President - Jeff Wilson
  • Divisional President, Water & Ecology - Mike Remsberg
  • Divisional President, Life Sciences - Albert Dyrness
  • Senior Vice President and Chief Technology Officer - Mia Mihopoulos
  • Chief Marketing Officer & Managing Director, Marketing - Leslie Bodnar
  • Paul Greywall - President & Chief Executive Officer

    Paul Greywall, the President & Chief Executive Officer at Trinity Consultants, directs the overarching strategic vision and operational trajectory of the firm. Overseeing the integration of environmental compliance services with engineering consulting, the President & Chief Executive Officer ensures that the organization maintains a competitive edge in managing complex regulatory challenges for diverse industrial clients. This leadership role involves constant collaboration with the Board to align long-term growth objectives with the evolving sustainability needs of the global market. By fostering a culture of technical excellence and risk mitigation, Paul Greywall drives the firm toward achieving superior operational performance. The President & Chief Executive Officer maintains a focus on expanding the company's footprint across North American and international markets, ensuring that every client engagement reflects the high standards of professional guidance expected from the firm.
    Paul Greywall

    David Larsen - Chief Financial Officer

    David Larsen, the Chief Financial Officer at Trinity Consultants, manages the fiscal health and capital allocation strategies necessary to support the firm's environmental and engineering consulting operations. Overseeing financial planning, reporting, and risk assessment, the Chief Financial Officer ensures that the organization maintains the liquidity required to invest in cutting-edge technical capabilities. This role involves close coordination with divisional leaders to optimize resource distribution across various service lines, thereby maximizing profitability while adhering to strict regulatory compliance standards. By implementing robust financial controls, David Larsen secures the economic stability of the firm during periods of expansion. The Chief Financial Officer monitors market trends to identify potential investment opportunities that align with the company's mission of providing expert guidance in sustainability and infrastructure performance, ultimately safeguarding the long-term financial interests of the organization and its stakeholders.
    David Larsen

    Walter Mehl - Divisional President, Built Environment

    Walter Mehl, the Divisional President, Built Environment at Trinity Consultants, oversees the strategic delivery of engineering and environmental consulting services specifically tailored to the construction and infrastructure sectors. Managing the division's operational performance, the Divisional President, Built Environment ensures that projects meet rigorous regulatory standards while optimizing infrastructure efficiency for clients. This leadership role involves coordinating with technical teams to address the unique sustainability and risk management challenges inherent in large-scale built environment projects. By driving operational excellence within the division, Walter Mehl supports the firm's mission to provide expert guidance that enables clients to operate responsibly. The Divisional President, Built Environment monitors regional market trends to identify opportunities for expansion, ensuring that the firm's services remain relevant and effective in addressing the evolving technical requirements of the construction industry and the broader built environment landscape.

    Jeff Wilson - President

    Jeff Wilson, the President at Trinity Consultants, directs the operational execution and service delivery standards for specific business units within the firm. Overseeing the alignment of technical consulting teams with client needs, the President ensures that the organization consistently delivers high-quality environmental and engineering solutions. This leadership role involves managing cross-functional teams to address complex regulatory and sustainability challenges, ensuring that every project adheres to the firm's commitment to excellence. By fostering collaboration between departments, Jeff Wilson drives efficiency and innovation in service delivery. The President focuses on maintaining strong client relationships and ensuring that the firm's expertise in risk management and infrastructure performance is effectively applied to solve real-world problems. Through this dedicated oversight, the President supports the firm's overall market impact and ensures that the organization remains a trusted partner for clients navigating diverse industrial and regulatory landscapes.

    Mike Remsberg - Divisional President, Water & Ecology

    Mike Remsberg, the Divisional President, Water & Ecology at Trinity Consultants, directs the firm's specialized consulting efforts regarding water resources and ecological preservation. Overseeing the division's technical staff, the Divisional President, Water & Ecology ensures that clients receive expert guidance on water quality compliance, habitat restoration, and environmental impact assessments. This leadership role involves managing complex projects that require deep scientific knowledge and an understanding of evolving environmental regulations. By driving the division's strategic focus on sustainable water management, Mike Remsberg helps clients mitigate ecological risks while maintaining operational continuity. The Divisional President, Water & Ecology collaborates with other divisional leaders to integrate water and ecological expertise into broader infrastructure and sustainability initiatives. Through this focused approach, the division provides essential support to organizations seeking to balance industrial activity with environmental stewardship, ensuring compliance and long-term ecological health.

    Albert Dyrness - Divisional President, Life Sciences

    Albert Dyrness, the Divisional President, Life Sciences at Trinity Consultants, directs the firm's consulting services for the pharmaceutical, biotechnology, and medical device industries. Overseeing the division's specialized regulatory and engineering teams, the Divisional President, Life Sciences ensures that clients navigate the stringent compliance requirements necessary for research, development, and manufacturing operations. This leadership role involves managing technical projects that address the unique risk management and sustainability challenges faced by life sciences organizations. By driving the division's focus on high-precision environmental and engineering solutions, Albert Dyrness enables clients to maintain operational excellence while adhering to global regulatory standards. The Divisional President, Life Sciences works to expand the firm's influence within the life sciences sector, ensuring that the organization remains a primary resource for companies requiring expert guidance in complex, highly regulated environments, ultimately supporting the advancement of critical health-related technologies.

    Mia Mihopoulos - Senior Vice President and Chief Technology Officer

    Mia Mihopoulos, the Senior Vice President and Chief Technology Officer at Trinity Consultants, architects the digital infrastructure and technical innovation strategies that underpin the firm's environmental consulting services. Overseeing the development of proprietary software and data analytics tools, the Senior Vice President and Chief Technology Officer ensures that consultants possess the advanced resources required to solve complex regulatory and engineering problems for clients. This leadership role involves bridging the gap between emerging technology and practical environmental applications, facilitating more efficient project delivery across the firm's diverse portfolio. By driving digital transformation initiatives, Mia Mihopoulos enhances the firm's ability to provide precise, data-driven guidance in sustainability and risk management. The Senior Vice President and Chief Technology Officer collaborates with divisional heads to integrate these technological advancements into daily operations, ensuring that the company remains at the forefront of industry-specific technical solutions.

    Leslie Bodnar - Chief Marketing Officer & Managing Director, Marketing

    Leslie Bodnar, the Chief Marketing Officer & Managing Director, Marketing at Trinity Consultants, directs the global brand strategy and market positioning for the firm's environmental and engineering consulting services. Overseeing the communication of the company's value proposition, the Chief Marketing Officer & Managing Director, Marketing ensures that clients across various industries understand the firm's expertise in regulatory compliance and sustainability. This role involves crafting targeted campaigns that highlight the firm's ability to manage technical challenges and infrastructure performance, thereby driving business development and client acquisition. By analyzing market demand and competitive positioning, Leslie Bodnar aligns marketing efforts with the firm's broader growth objectives. The Chief Marketing Officer & Managing Director, Marketing works closely with divisional leaders to ensure that the brand message remains consistent and impactful, effectively communicating the firm's commitment to responsible operations and expert guidance in a complex regulatory environment.
    Leslie Bodnar

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    Frequently Asked Questions Regarding Trinity Consultants Top Executives and Leadership Team

    Who leads Trinity Consultants?
    Trinity Consultants is led by Paul Greywall (President & Chief Executive Officer), along with executives such as David Larsen (Chief Financial Officer) and Walter Mehl (Divisional President, Built Environment).
    Who is part of Trinity Consultants’s executive team?
    The executive team of Trinity Consultants includes leaders such as Paul Greywall (President & Chief Executive Officer), David Larsen (Chief Financial Officer), Walter Mehl (Divisional President, Built Environment) and other senior executives.
    How many executives does Trinity Consultants have?
    Trinity Consultants has 8 executives leading key business areas.
    What roles are included in Trinity Consultants’s leadership team?
    The leadership team of Trinity Consultants includes roles such as President & Chief Executive Officer, Chief Financial Officer, Divisional President, Built Environment, President, Divisional President, Water & Ecology.