Ahtna Executive and Leadership Team

June, 2026

Leadership Overview

Ahtna has 10 executives leading key functions including strategy, finance, and operations.

Driven by a commitment to excellence, Ahtna provides construction and integrated services, encompassing environmental, information management, facility maintenance, civil construction, and marine services to government and private sector clients, solidifying its market impact through robust operational execution.

Leadership Roles at Ahtna

  • Chief Executive Officer - Thomas Maloney
  • President & Chief Executive Officer - Roy Ewan
  • Chief Financial Officer - Toni Jackson
  • Finance Chief Financial Officer & Vice President - Dave Stevenson
  • Vice President, Finance & Chief Financial Officer - Matthew Tisher
  • President & Ahtna Facility Services, Incorporated, Ahtna Services, Inc, Ahtna Investigation Management, Ahtna Integrated Services, Llc, Akhi Llc & Ahtna Technical Services Professional - Brenda Rebne
  • President - Vicky Dunlap
  • Primary President, Ahtna Construction Products Company, Llc, A Valley Gravel & Ahtna Marine & Construction Company - David O'Donnell
  • President - Michelle Anderson
  • President, Ahtna Federal Holdings, Llc, Ahtna Design-Build, Inc, Ahtna Government Services Corporation & Ahtna (USA) - Sky Siemers
  • Thomas Maloney - Chief Executive Officer

    Thomas Maloney, the Chief Executive Officer at Ahtna, directs the overarching corporate strategy and operational execution. Maloney's leadership guides the company's provision of construction and integrated services, ensuring alignment with client needs across government and private sectors. This executive oversees the strategic deployment of resources for environmental, information management, facility maintenance, civil construction, and marine services. Maloney's focus remains on driving sustainable growth and enhancing Ahtna's market position through disciplined execution of its core business functions. The Chief Executive Officer ensures all divisions operate cohesively to deliver on the company's mission. Thomas Maloney's strategic vision shapes the company's direction, fostering innovation and operational efficiency across all service lines.

    Roy Ewan - President & Chief Executive Officer

    Roy Ewan, the President & Chief Executive Officer at Ahtna, spearheads the company's strategic direction and operational oversight. Ewan's leadership encompasses the full spectrum of Ahtna's construction and integrated services, including environmental, information management, facility maintenance, civil construction, and marine operations. This executive ensures robust service delivery to both government and private sector clients, driving the company's mission forward. Roy Ewan's role involves fostering strong client relationships and expanding market reach through strategic initiatives. The President & Chief Executive Officer is accountable for the overall performance and long-term viability of the organization. By championing operational excellence, Roy Ewan solidifies Ahtna's reputation as a premier service provider in its industry.

    Toni Jackson - Chief Financial Officer

    Toni Jackson, the Chief Financial Officer at Ahtna, manages the company's financial health and strategic fiscal planning. Jackson oversees all financial operations, including budgeting, forecasting, and financial reporting, ensuring fiscal responsibility across the organization. This executive's purview extends to managing financial risks and optimizing capital allocation to support Ahtna's diverse service offerings in construction and integrated services. Toni Jackson plays a critical role in financial strategy development, supporting the company's expansion into environmental, information management, facility maintenance, civil construction, and marine sectors. The Chief Financial Officer ensures compliance with all financial regulations and drives initiatives to enhance profitability and shareholder value. Toni Jackson's financial acumen is vital for Ahtna's sustained growth and operational stability.

    Dave Stevenson - Finance Chief Financial Officer & Vice President

    Dave Stevenson, the Finance Chief Financial Officer & Vice President at Ahtna, directs financial strategy and operational finance functions. Stevenson's responsibilities include managing the company's financial performance, overseeing accounting practices, and ensuring robust financial controls across all service lines. This executive supports the strategic objectives of Ahtna's construction and integrated services, including environmental, information management, facility maintenance, civil construction, and marine operations. Dave Stevenson collaborates closely with other leaders to drive financial efficiency and support business development initiatives. The Finance Chief Financial Officer & Vice President is instrumental in financial planning and analysis, providing critical insights for executive decision-making. Dave Stevenson's financial leadership ensures the company's fiscal integrity and supports its growth trajectory.

    Matthew Tisher - Vice President, Finance & Chief Financial Officer

    Matthew Tisher, the Vice President, Finance & Chief Financial Officer at Ahtna, oversees the company's financial operations and strategic financial planning. Tisher manages all aspects of financial management, including accounting, treasury, and financial reporting, ensuring adherence to fiscal policies. This executive's role is crucial in supporting Ahtna's comprehensive service offerings, which span construction, environmental services, information management, facility maintenance, civil construction, and marine operations. Matthew Tisher works to optimize financial performance and resource allocation, contributing to the company's overall strategic goals. The Vice President, Finance & Chief Financial Officer provides essential financial guidance to drive operational efficiency and profitability. Matthew Tisher's expertise strengthens Ahtna's financial foundation and supports its market expansion.

    Brenda Rebne - President & Ahtna Facility Services, Incorporated, Ahtna Services, Inc, Ahtna Investigation Management, Ahtna Integrated Services, Llc, Akhi Llc & Ahtna Technical Services Professional

    Brenda Rebne, the President & Ahtna Facility Services, Incorporated, Ahtna Services, Inc, Ahtna Investigation Management, Ahtna Integrated Services, Llc, Akhi Llc & Ahtna Technical Services Professional at Ahtna, leads multiple key subsidiaries and operational divisions. Rebne's extensive leadership responsibilities encompass facility services, investigation management, integrated services, and technical services, driving specialized operational excellence. This executive ensures these distinct entities effectively deliver their unique service portfolios to government and private sector clients, aligning with Ahtna's broader construction and integrated services mission. Brenda Rebne focuses on optimizing the performance and strategic direction of each subsidiary, fostering innovation and client satisfaction. The President's role involves overseeing the growth and operational integrity of these critical business units. Brenda Rebne's comprehensive management strengthens Ahtna's diverse service capabilities.

    Vicky Dunlap - President

    Vicky Dunlap, the President at Ahtna, directs strategic initiatives and operational oversight for designated business units. Dunlap's leadership focuses on enhancing the delivery of Ahtna's construction and integrated services, ensuring high standards across all operations. This executive plays a key role in managing client relationships and expanding market presence within the government and private sectors. Vicky Dunlap is responsible for driving performance improvements and fostering a culture of excellence within the areas under management. The President ensures seamless integration of services, contributing to Ahtna's overall success in providing environmental, information management, facility maintenance, civil construction, and marine solutions. Vicky Dunlap's strategic guidance supports the company's growth objectives.

    David O'Donnell - Primary President, Ahtna Construction Products Company, Llc, A Valley Gravel & Ahtna Marine & Construction Company

    David O'Donnell, the Primary President, Ahtna Construction Products Company, Llc, A Valley Gravel & Ahtna Marine & Construction Company at Ahtna, leads critical construction-related subsidiaries and operational units. O'Donnell's responsibilities include overseeing the strategic direction and operational execution of Ahtna's construction products, gravel supply, and marine construction divisions. This executive ensures these specialized companies deliver high-quality services and products to clients, reinforcing Ahtna's position in the construction and civil engineering sectors. David O'Donnell focuses on driving efficiency, innovation, and client satisfaction across these vital business segments. The Primary President's role is essential for managing the complex operations of these distinct entities. David O'Donnell's leadership strengthens Ahtna's core construction capabilities.

    Michelle Anderson - President

    Michelle Anderson, the President at Ahtna, drives strategic leadership and operational management for key company divisions. Anderson's focus is on ensuring the effective execution of Ahtna's integrated services, including construction, environmental, information management, facility maintenance, civil construction, and marine operations. This executive works to enhance service delivery and client satisfaction across government and private sector engagements. Michelle Anderson plays a vital role in fostering operational excellence and supporting the company's growth objectives. The President is responsible for guiding the performance of designated business units and ensuring alignment with corporate strategy. Michelle Anderson's leadership contributes significantly to Ahtna's market presence and operational success.

    Sky Siemers - President, Ahtna Federal Holdings, Llc, Ahtna Design-Build, Inc, Ahtna Government Services Corporation & Ahtna (USA)

    Sky Siemers, the President, Ahtna Federal Holdings, Llc, Ahtna Design-Build, Inc, Ahtna Government Services Corporation & Ahtna (USA) at Ahtna, leads significant federal-focused subsidiaries and operational entities. Siemers directs the strategic vision and operational execution for companies specializing in federal government contracting, design-build projects, and broader government services. This executive ensures these divisions effectively serve federal clients, leveraging Ahtna's expertise in construction and integrated services. Sky Siemers focuses on expanding market share within the federal sector and driving operational efficiency across these critical business units. The President's role is pivotal in managing the complex requirements of government contracts. Sky Siemers' leadership strengthens Ahtna's capabilities in serving the U.S. government.

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    Frequently Asked Questions Regarding Ahtna Top Executives and Leadership Team

    Who leads Ahtna?
    Ahtna is led by Thomas Maloney (Chief Executive Officer), along with executives such as Roy Ewan (President & Chief Executive Officer) and Toni Jackson (Chief Financial Officer).
    Who is part of Ahtna’s executive team?
    The executive team of Ahtna includes leaders such as Thomas Maloney (Chief Executive Officer), Roy Ewan (President & Chief Executive Officer), Toni Jackson (Chief Financial Officer) and other senior executives.
    How many executives does Ahtna have?
    Ahtna has 10 executives leading key business areas.
    What roles are included in Ahtna’s leadership team?
    The leadership team of Ahtna includes roles such as Chief Executive Officer, President & Chief Executive Officer, Chief Financial Officer, Finance Chief Financial Officer & Vice President, Vice President, Finance & Chief Financial Officer.