Dewberry Executive and Leadership Team

May, 2026

Leadership Overview

Dewberry has 10 executives leading key functions including strategy, information technology, human resources, and design-build operations.

Driven by a commitment to excellence, Dewberry focuses on delivering innovative planning and design solutions within the construction industry, impacting infrastructure and community development across the nation.

Leadership Roles at Dewberry

  • Chief Executive Officer - David Mahoney
  • President, Dewberry Design-Builders Inc - Daniel Southwick
  • President, Dewberry Engineers, Inc. - Darren Conner
  • President - Phillip Thiel
  • President, Dewberry Architects Inc. - David Huey
  • Chief Information Officer - Henry Tyler
  • Deputy Chief Information Officer - Sean Reney
  • Chief Human Resources Officer - Stacey McKavish
  • Vice President, Chief Information Officer - Brett Etzel
  • Vice President - Todd Shafer
  • David Mahoney - Chief Executive Officer

    David Mahoney, the Chief Executive Officer at Dewberry, directs the company's overall strategic vision and operational execution. Mahoney guides the firm's expansion and market positioning within the competitive construction and design sectors. This leadership role involves fostering a culture of innovation and client-centric service delivery, ensuring Dewberry maintains its reputation for quality and reliability. Mahoney's oversight extends to key business development initiatives and the cultivation of strategic partnerships that drive long-term growth. By championing forward-thinking approaches, David Mahoney ensures the company remains at the forefront of industry advancements, delivering comprehensive planning and design solutions that address complex infrastructure and community development challenges across the United States.
    David Mahoney

    Daniel Southwick - President, Dewberry Design-Builders Inc

    Daniel Southwick, the President, Dewberry Design-Builders Inc at Dewberry, spearheads the integrated design-build services division. Southwick directs operations that combine planning, architecture, engineering, and construction management to deliver comprehensive project solutions. This leadership position involves overseeing project execution, ensuring client satisfaction, and driving profitability within the design-build sector. Southwick's focus is on optimizing project delivery timelines and costs through seamless collaboration between design and construction teams. By championing this integrated approach, Daniel Southwick enhances Dewberry's ability to manage complex projects from conception through completion, delivering exceptional value and efficiency to clients.

    Darren Conner - President, Dewberry Engineers, Inc.

    Darren Conner, the President, Dewberry Engineers, Inc. at Dewberry, leads the engineering services division, overseeing a broad spectrum of technical disciplines. Conner directs the planning, design, and execution of complex engineering projects, ensuring adherence to the highest standards of quality and safety. This critical role involves managing engineering teams, fostering technical innovation, and ensuring client needs are met with precision and expertise. By championing engineering excellence, Darren Conner drives the development of essential infrastructure and facilities that serve communities. Conner's leadership ensures Dewberry Engineers, Inc. remains a trusted provider of sophisticated engineering solutions across various sectors.
    Darren Conner

    Phillip Thiel - President

    Phillip Thiel, the President at Dewberry, plays a pivotal role in guiding the company's strategic direction and operational performance. Thiel focuses on enhancing client services and expanding market reach within the construction and design sectors. This leadership position involves overseeing key business functions and ensuring alignment with Dewberry's overarching mission. By driving operational efficiency and fostering strong client relationships, Phillip Thiel contributes significantly to the firm's sustained success and reputation for excellence. Thiel's leadership ensures Dewberry continues to deliver innovative solutions that meet the evolving needs of its diverse clientele.
    Phillip Thiel

    David Huey - President, Dewberry Architects Inc.

    David Huey, the President, Dewberry Architects Inc. at Dewberry, directs the architectural design services, shaping the aesthetic and functional aspects of client projects. Huey leads a team of architects in developing innovative and sustainable design solutions that meet diverse client requirements. This role emphasizes creative vision, technical proficiency, and a deep understanding of architectural principles and building codes. By ensuring design excellence, David Huey contributes to the creation of impactful and enduring structures. Huey's leadership guides Dewberry Architects Inc. in delivering award-winning designs that enhance communities and reflect client aspirations.

    Henry Tyler - Chief Information Officer

    Henry Tyler, the Chief Information Officer at Dewberry, architects the company's technology strategy and digital transformation initiatives. Tyler oversees the integration of advanced IT systems to enhance operational efficiency and support project delivery across all Dewberry divisions. This critical role involves managing cybersecurity protocols, data governance, and the deployment of innovative software solutions that empower project teams. By ensuring robust and scalable technological infrastructure, Henry Tyler supports the firm's ability to execute complex planning and design projects. Tyler's leadership ensures that Dewberry leverages cutting-edge technology to maintain a competitive edge and deliver superior value to clients in the construction and architecture sectors.

    Sean Reney - Deputy Chief Information Officer

    Sean Reney, the Deputy Chief Information Officer at Dewberry, collaborates with the Chief Information Officer to implement and manage the firm's technology infrastructure. Reney focuses on the day-to-day operational aspects of IT, ensuring seamless functionality of systems supporting planning, design, and construction services. This position involves direct supervision of IT support teams and the execution of technology roadmaps designed to enhance productivity and collaboration. Reney's efforts are crucial in maintaining the stability and security of Dewberry's digital assets, directly contributing to the successful delivery of client projects. By supporting strategic IT objectives, Sean Reney plays a vital part in Dewberry's ongoing digital evolution and operational excellence.

    Stacey McKavish - Chief Human Resources Officer

    Stacey McKavish, the Chief Human Resources Officer at Dewberry, directs all aspects of human capital management and organizational development. McKavish shapes policies and strategies that foster a high-performance culture, attract top talent, and promote employee engagement across the firm's diverse operations. This leadership function encompasses talent acquisition, compensation and benefits, employee relations, and professional development programs. By prioritizing workforce well-being and growth, Stacey McKavish ensures Dewberry possesses the skilled professionals necessary to excel in the demanding construction and design industries. McKavish's strategic approach to HR strengthens the company's foundation, enabling sustained success and innovation.
    Stacey McKavish

    Brett Etzel - Vice President, Chief Information Officer

    Brett Etzel, the Vice President, Chief Information Officer at Dewberry, leads the strategic direction and implementation of information technology across the organization. Etzel is responsible for aligning technology initiatives with Dewberry's business objectives, focusing on enhancing operational efficiency and supporting project delivery. This role involves overseeing IT infrastructure, cybersecurity measures, and the adoption of innovative digital tools to empower project teams. By ensuring robust technological capabilities, Brett Etzel contributes significantly to Dewberry's capacity to provide advanced planning and design services. Etzel's leadership drives technological advancements that solidify Dewberry's position as an industry leader.

    Todd Shafer - Vice President

    Todd Shafer, the Vice President at Dewberry, contributes to the strategic leadership and operational management of key business units. Shafer's responsibilities involve driving growth initiatives and ensuring the effective execution of projects within designated market segments. This role requires a deep understanding of the construction and design industries to identify opportunities and mitigate risks. By focusing on operational excellence and client relationship management, Todd Shafer supports Dewberry's mission to deliver high-quality planning and design services. Shafer's contributions are integral to maintaining Dewberry's strong market presence and commitment to client success.

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    Frequently Asked Questions Regarding Dewberry Top Executives and Leadership Team

    Who leads Dewberry?
    Dewberry is led by David Mahoney (Chief Executive Officer), along with executives such as Daniel Southwick (President, Dewberry Design-Builders Inc) and Darren Conner (President, Dewberry Engineers, Inc.).
    Who is part of Dewberry’s executive team?
    The executive team of Dewberry includes leaders such as David Mahoney (Chief Executive Officer), Daniel Southwick (President, Dewberry Design-Builders Inc), Darren Conner (President, Dewberry Engineers, Inc.) and other senior executives.
    How many executives does Dewberry have?
    Dewberry has 10 executives leading key business areas.
    What roles are included in Dewberry’s leadership team?
    The leadership team of Dewberry includes roles such as Chief Executive Officer, President, Dewberry Design-Builders Inc, President, Dewberry Engineers, Inc., President, President, Dewberry Architects Inc..