Dewberry Executive and Leadership Team

October, 2026

Leadership Overview

Dewberry has 10 executives leading key functions including strategy, information technology, operations, human resources, and regional business management.

Committed to advancing the built environment through integrated engineering and design, Dewberry delivers sustainable infrastructure solutions that empower communities and support critical public and private sector development across the United States.

Leadership Roles at Dewberry

  • Chief Executive Officer - Donald Stone
  • Chief Operating Officer - Darren Conner
  • Company President, Dewberry and Davis, Inc. - Phillip Thiel
  • Company President, Dewberry Engineers Inc. - David Maxwell
  • President - Robert Beltran
  • President, Dewberry Architects Inc. - David Huey
  • President - Gary Neuwerth
  • Chief Information Officer - Henry Tyler
  • Deputy Chief Information Officer - Sean Reney
  • Chief Human Resources Officer - Stacey McKavish
  • Donald Stone - Chief Executive Officer

    Donald Stone, the Chief Executive Officer at Dewberry, directs the overarching strategic vision and long-term growth trajectory of the firm. Stone oversees the integration of planning, design, and engineering services to ensure consistent delivery across diverse market sectors. By aligning corporate objectives with evolving client needs in transportation and water infrastructure, the Chief Executive Officer maintains the firm's competitive edge in the professional services landscape. This leadership role involves constant collaboration with the Board to refine operational standards and expand market reach throughout North America. Donald Stone drives the firm's commitment to resilience and innovation, ensuring that all business units operate with high efficiency. Through rigorous oversight of project portfolios and client relationships, the Chief Executive Officer secures the firm's reputation as a leader in complex infrastructure development and community-focused design solutions.

    Darren Conner - Chief Operating Officer

    Darren Conner, the Chief Operating Officer at Dewberry, manages the daily execution of professional services and ensures operational excellence across all engineering and consulting departments. Conner oversees the allocation of resources and the implementation of project management standards to support the firm's diverse portfolio in energy, telecommunications, and healthcare markets. By refining internal workflows, the Chief Operating Officer drives productivity and maintains high quality standards for infrastructure projects. This leadership role requires close coordination with regional presidents to ensure that project delivery remains consistent with the firm's strategic goals. Darren Conner optimizes the firm's operational capacity to meet the demands of complex community development initiatives. Through the effective management of cross-functional teams, the Chief Operating Officer ensures that the firm delivers integrated solutions that address the unique challenges of the built environment.
    Darren Conner

    Phillip Thiel - Company President, Dewberry and Davis, Inc.

    Phillip Thiel, the Company President, Dewberry and Davis, Inc. at Dewberry, leads the specific business unit focused on specialized consulting and professional services. Thiel oversees the strategic direction of this entity, ensuring that all projects align with the firm's broader commitment to excellence in planning and design. By managing client relationships and project portfolios, the Company President, Dewberry and Davis, Inc. drives revenue growth and market expansion within the firm's core sectors. This role involves coordinating with other executive leaders to leverage the firm's full range of capabilities for complex community development projects. Phillip Thiel ensures that the business unit maintains high standards of technical proficiency and client satisfaction. Through the effective leadership of this division, the Company President, Dewberry and Davis, Inc. contributes to the firm's overall mission of providing integrated solutions for the improvement of the built environment.

    David Maxwell - Company President, Dewberry Engineers Inc.

    David Maxwell, the Company President, Dewberry Engineers Inc. at Dewberry, directs the engineering operations and technical delivery for the firm's infrastructure and civil projects. Maxwell oversees the execution of complex engineering designs and ensures that all projects meet rigorous safety and environmental standards. By managing the engineering teams, the Company President, Dewberry Engineers Inc. drives the firm's capability to deliver high-impact solutions for transportation, water, and energy markets. This leadership role involves collaborating with other presidents to integrate engineering services with the firm's broader planning and architecture offerings. David Maxwell ensures that the engineering division remains at the forefront of industry innovation and technical excellence. Through the strategic oversight of project delivery, the Company President, Dewberry Engineers Inc. supports the firm's mission to provide integrated solutions for the development and operation of natural and built environments.

    Robert Beltran - President

    Robert Beltran, the President at Dewberry, manages the strategic growth and operational performance of key regional business units. Beltran oversees the expansion of the firm's presence in critical markets, ensuring that local teams deliver high-quality planning and design services. By focusing on business development and client retention, the President drives the firm's success in securing large-scale infrastructure and community development contracts. This leadership role involves coordinating with the executive team to align regional activities with the firm's national strategy. Robert Beltran ensures that all regional operations maintain the firm's reputation for technical excellence and integrated service delivery. Through the effective management of regional resources, the President supports the firm's mission to provide comprehensive solutions for the planning, development, and improvement of natural and built environments across the country.
    Robert Beltran

    David Huey - President, Dewberry Architects Inc.

    David Huey, the President, Dewberry Architects Inc. at Dewberry, leads the architectural design division and oversees the creative direction of the firm's building projects. Huey manages the design teams to ensure that all architectural solutions are functional, sustainable, and aligned with the firm's commitment to the built environment. By focusing on innovative design-build services, the President, Dewberry Architects Inc. drives the firm's success in the education, healthcare, and community development markets. This leadership role involves collaborating with engineering and planning teams to provide integrated design solutions that meet complex client requirements. David Huey ensures that the architectural division maintains high standards of design excellence and project delivery. Through the strategic management of the architectural practice, the President, Dewberry Architects Inc. supports the firm's mission to provide integrated solutions for the development and improvement of natural and built environments.
    David Huey

    Gary Neuwerth - President

    Gary Neuwerth, the President at Dewberry, directs the firm's specialized environmental services and resilience planning initiatives. Neuwerth oversees the development of strategies that address climate change, environmental impact, and sustainable land use for public- and private-sector clients. By managing the environmental consulting teams, the President drives the firm's capability to provide integrated solutions for the protection and improvement of natural environments. This leadership role involves coordinating with other business units to ensure that environmental considerations are embedded in all infrastructure and development projects. Gary Neuwerth ensures that the firm remains a leader in resilience and environmental stewardship. Through the strategic oversight of these specialized services, the President supports the firm's mission to provide comprehensive solutions for the planning, development, and operation of natural and built environments across diverse market sectors.

    Henry Tyler - Chief Information Officer

    Henry Tyler, the Chief Information Officer at Dewberry, architects the digital infrastructure and technology strategy necessary to support complex engineering and geospatial operations. Tyler manages the firm's data security, software integration, and enterprise systems to optimize project delivery across all business units. By implementing advanced technological solutions, the Chief Information Officer enhances the firm's ability to provide precise mapping and surveying services for public-sector clients. This role involves coordinating with other C-suite leaders to ensure that digital tools align with the firm's broader engineering goals. Henry Tyler drives the adoption of innovative platforms that streamline design-build processes and improve operational efficiency. Through the continuous modernization of internal systems, the Chief Information Officer supports the firm's mission to provide integrated solutions for the development and improvement of natural and built environments.

    Sean Reney - Deputy Chief Information Officer

    Sean Reney, the Deputy Chief Information Officer at Dewberry, executes the tactical deployment of information technology initiatives and supports the firm's digital transformation efforts. Reney manages the day-to-day maintenance of network infrastructure and ensures that technical teams provide robust support for engineering and design software. By focusing on the reliability of geospatial data systems, the Deputy Chief Information Officer enables project teams to deliver accurate and efficient results for federal and industrial clients. This role involves collaborating with the Chief Information Officer to implement security protocols and upgrade enterprise-wide communication tools. Sean Reney drives the integration of new technologies that enhance the firm's ability to manage complex data sets. Through the consistent application of technical standards, the Deputy Chief Information Officer supports the firm's mission to provide high-quality professional services across all operational regions.

    Stacey McKavish - Chief Human Resources Officer

    Stacey McKavish, the Chief Human Resources Officer at Dewberry, directs the firm's talent acquisition, professional development, and organizational culture initiatives. McKavish oversees the recruitment of top-tier engineers, architects, and planners to ensure the firm maintains its technical expertise across all service lines. By fostering an environment of continuous learning and inclusion, the Chief Human Resources Officer supports the retention of skilled professionals who drive the firm's success in the competitive professional services market. This leadership role involves aligning human capital strategies with the firm's long-term growth objectives and operational needs. Stacey McKavish drives the implementation of performance management systems that reward excellence and promote career advancement. Through the strategic management of the workforce, the Chief Human Resources Officer ensures that the firm possesses the necessary talent to deliver integrated solutions for the planning and development of natural and built environments.
    Stacey McKavish

    Explore Leadership Teams in Architecture, Engineering & Design

    Frequently Asked Questions Regarding Dewberry Top Executives and Leadership Team

    Who leads Dewberry?
    Dewberry is led by Donald Stone (Chief Executive Officer), along with executives such as Darren Conner (Chief Operating Officer) and Phillip Thiel (Company President, Dewberry and Davis, Inc.).
    Who is part of Dewberry’s executive team?
    The executive team of Dewberry includes leaders such as Donald Stone (Chief Executive Officer), Darren Conner (Chief Operating Officer), Phillip Thiel (Company President, Dewberry and Davis, 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, Chief Operating Officer, Company President, Dewberry and Davis, Inc., Company President, Dewberry Engineers Inc., President.