The Walsh Group Executive and Leadership Team

July, 2026

Leadership Overview

The Walsh Group has 9 executives leading key functions including strategy, information technology, transportation, construction, and water infrastructure.

Driven by a legacy of innovation, The Walsh Group is dedicated to designing, building, financing, operating, and activating services across the building, transportation, and water markets, shaping infrastructure for future generations.

Leadership Roles at The Walsh Group

  • Chief Executive Officer - Thomas Walsh
  • President & Division President, Archer Western & Transportation - Daniel Walsh
  • Group President, Walsh Investment - Gregory Ciambrone
  • President, Heavy Civil Divison - Donald Gillis
  • President, Building Group - Michael Whelan
  • President-Water Division - Duane Petersen
  • President - Water Division - Roy Epps
  • Chief Information Officer - Timothy Notolli
  • Division Transportation Chief of Staff - Aaron Smith
  • Thomas Walsh - Chief Executive Officer

    Thomas Walsh, the Chief Executive Officer at The Walsh Group, directs the overarching strategy and operational execution for the company's diverse market segments. Overseeing the design, construction, financing, and operational activation of projects within the building, transportation, and water sectors, Thomas Walsh ensures alignment with the firm's century-long commitment to quality and innovation. This leadership role involves guiding the executive team in identifying new market opportunities and reinforcing the company's position as a leader in large-scale infrastructure development. The Chief Executive Officer's focus remains on driving sustainable growth and maintaining the integrity of the Walsh Construction, Archer Western, and Walsh Canada brands across North America and beyond. Thomas Walsh's strategic vision shapes the company's approach to complex challenges, ensuring robust project delivery and client satisfaction.

    Daniel Walsh - President & Division President, Archer Western & Transportation

    Daniel Walsh, the President & Division President, Archer Western & Transportation at The Walsh Group, leads significant operational segments of the company. Overseeing the Archer Western brand and the entire transportation division, Daniel Walsh drives strategy and execution across a broad spectrum of infrastructure projects. This leadership position involves managing large-scale construction, design-build, and financing initiatives within these key markets. The President & Division President's focus is on expanding market share and ensuring the successful delivery of complex transportation and building projects. Daniel Walsh's responsibilities include fostering strong client relationships and guiding teams to achieve superior project outcomes. By integrating the strengths of Archer Western with the specialized expertise of the transportation division, Daniel Walsh ensures comprehensive solutions for clients nationwide.

    Gregory Ciambrone - Group President, Walsh Investment

    Gregory Ciambrone, the Group President, Walsh Investment at The Walsh Group, spearheads the company's investment and financing strategies. Overseeing the financial structuring and capital deployment for major projects, Gregory Ciambrone plays a pivotal role in the company's integrated approach to design, build, finance, and operate services. This executive position involves identifying strategic investment opportunities and managing financial risk across the building, transportation, and water sectors. The Group President's expertise ensures that The Walsh Group can undertake ambitious projects by securing necessary funding and optimizing financial performance. Gregory Ciambrone's leadership in investment is crucial for the company's continued expansion and its ability to deliver complex, capital-intensive infrastructure solutions. Ciambrone's strategic financial acumen supports the firm's long-term growth objectives.

    Donald Gillis - President, Heavy Civil Divison

    Donald Gillis, the President, Heavy Civil Division at The Walsh Group, directs the company's extensive operations in heavy civil construction. Overseeing large-scale infrastructure projects, Donald Gillis ensures the successful execution of complex undertakings within the transportation and water markets. This leadership role involves managing project lifecycles from planning and design through to construction and activation, emphasizing safety, quality, and efficiency. The President, Heavy Civil Division's responsibilities include leading project teams, optimizing resource allocation, and maintaining strong client relationships. Donald Gillis's strategic oversight is critical for delivering major infrastructure developments that form the backbone of communities. Gillis's commitment to operational excellence drives the division's significant contributions to the company's overall success in challenging construction environments.

    Michael Whelan - President, Building Group

    Michael Whelan, the President, Building Group at The Walsh Group, leads the company's comprehensive building construction operations. Overseeing a wide array of projects, Michael Whelan ensures the successful delivery of commercial, institutional, and industrial facilities. This executive position involves managing all facets of the building process, from pre-construction services to project completion, adhering to stringent quality and safety standards. The President, Building Group's focus is on driving innovation in construction methodologies and fostering client partnerships to achieve exceptional outcomes. Michael Whelan's strategic direction guides the building group in expanding its market presence and enhancing its reputation for reliability and excellence. Whelan's leadership is instrumental in shaping urban landscapes and delivering vital structures across various sectors.
    Michael Whelan

    Duane Petersen - President-Water Division

    Duane Petersen, the President-Water Division at The Walsh Group, directs the company's specialized operations within the water infrastructure sector. Overseeing the design, construction, and financing of critical water and wastewater treatment facilities, Duane Petersen ensures the delivery of essential public services. This leadership role involves managing complex projects that address the growing needs for clean water and effective wastewater management. The President-Water Division's responsibilities include driving technological advancements and sustainable practices within the industry. Duane Petersen's strategic vision guides the division in tackling challenging projects and maintaining a strong commitment to environmental stewardship. Petersen's expertise is vital for The Walsh Group's continued success in developing and maintaining vital water infrastructure across North America.

    Roy Epps - President - Water Division

    Roy Epps, the President - Water Division at The Walsh Group, spearheads the company's extensive efforts in water infrastructure development and management. Overseeing a broad portfolio of projects, Roy Epps ensures the successful execution of initiatives related to water treatment, distribution, and wastewater management. This critical role involves guiding project teams through complex engineering and construction phases, emphasizing innovation and operational efficiency. The President - Water Division's focus is on enhancing the reliability and sustainability of water systems for communities. Roy Epps's leadership drives the division's commitment to delivering high-quality infrastructure solutions that meet evolving environmental and regulatory standards. Epps's strategic oversight strengthens The Walsh Group's position as a leader in the vital water sector.
    Roy Epps

    Timothy Notolli - Chief Information Officer

    Timothy Notolli, the Chief Information Officer at The Walsh Group, architects the company's technology strategy and digital transformation initiatives. Overseeing all information technology operations, Timothy Notolli ensures the seamless integration of advanced systems across Walsh Construction, Archer Western, and Walsh Canada. This critical role involves managing cybersecurity, data analytics, and enterprise resource planning to enhance operational efficiency and project management capabilities. The Chief Information Officer's efforts directly support the company's expansive work in building, transportation, and water markets by providing robust technological infrastructure. By driving innovation in digital tools and platforms, Timothy Notolli empowers project teams with the data and resources needed for successful execution. Notolli's leadership ensures the company remains at the forefront of technological adoption in the construction industry.

    Aaron Smith - Division Transportation Chief of Staff

    Aaron Smith, the Division Transportation Chief of Staff at The Walsh Group, facilitates strategic initiatives and operational alignment within the transportation division. Overseeing key projects and cross-functional coordination, Aaron Smith ensures that the division's objectives are met efficiently and effectively. This role involves supporting the Division President in managing complex transportation infrastructure projects, from initial design through to final activation. The Division Transportation Chief of Staff's responsibilities include streamlining communication channels and optimizing resource allocation to enhance project delivery timelines and budgets. By fostering collaboration among project teams and stakeholders, Aaron Smith drives the successful execution of critical transportation infrastructure development. Smith's contributions are vital to maintaining the division's reputation for excellence in the transportation market.

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    Frequently Asked Questions Regarding The Walsh Group Top Executives and Leadership Team

    Who leads The Walsh Group?
    The Walsh Group is led by Thomas Walsh (Chief Executive Officer), along with executives such as Daniel Walsh (President & Division President, Archer Western & Transportation) and Gregory Ciambrone (Group President, Walsh Investment).
    Who is part of The Walsh Group’s executive team?
    The executive team of The Walsh Group includes leaders such as Thomas Walsh (Chief Executive Officer), Daniel Walsh (President & Division President, Archer Western & Transportation), Gregory Ciambrone (Group President, Walsh Investment) and other senior executives.
    How many executives does The Walsh Group have?
    The Walsh Group has 9 executives leading key business areas.
    What roles are included in The Walsh Group’s leadership team?
    The leadership team of The Walsh Group includes roles such as Chief Executive Officer, President & Division President, Archer Western & Transportation, Group President, Walsh Investment, President, Heavy Civil Divison, President, Building Group.