Aptim Executive and Leadership Team

August, 2026

Leadership Overview

Aptim has 4 executives leading key functions including strategy, operations, financial management, and construction execution.

Focused on delivering resilient infrastructure solutions, Aptim drives global progress through integrated engineering, architectural design, and technical consulting services for government and industrial sectors across multiple continents.

Leadership Roles at Aptim

  • Chairman & Chief Executive Officer - Mark Fallon
  • Executive Vice President & Chief Financial Officer - John Grant
  • President, APTIM Constructors LLC - Christopher Perkins
  • Chief of Staff - Annabelle Johnson
  • Mark Fallon - Chairman & Chief Executive Officer

    Mark Fallon, the Chairman & Chief Executive Officer at Aptim, directs the overarching corporate strategy and long-term vision for the organization. Overseeing global operations across North America, Europe, Asia, South America, and Oceania, the Chairman & Chief Executive Officer ensures alignment between complex engineering services and the evolving needs of government and industrial clients. This leadership role involves managing high-level stakeholder relationships and driving the expansion of technical consulting capabilities. By prioritizing sustainable infrastructure development and efficient project management, Mark Fallon directly impacts the company's market position. Ultimately, the Chairman & Chief Executive Officer secures the financial health and operational excellence of the firm, fostering innovation in construction management and architectural design while maintaining rigorous standards for all energy and commercial projects undertaken by the global team.
    Mark Fallon

    John Grant - Executive Vice President & Chief Financial Officer

    John Grant, the Executive Vice President & Chief Financial Officer at Aptim, manages the fiscal health and capital allocation strategies for the entire enterprise. Overseeing financial reporting, budgeting, and risk management, the Executive Vice President & Chief Financial Officer ensures that the company maintains the liquidity necessary to support complex construction and engineering projects. This leadership role involves analyzing market trends across North America and international regions to guide investment in new energy installations and industrial facilities. By implementing robust financial controls and optimizing cost structures, John Grant directly supports the long-term growth and stability of the firm. The Executive Vice President & Chief Financial Officer collaborates with other senior leaders to align fiscal performance with the broader mission of delivering superior architectural and technical consulting services, ensuring that every project remains profitable while meeting the rigorous demands of government and commercial contracting.

    Christopher Perkins - President, APTIM Constructors LLC

    Christopher Perkins, the President, APTIM Constructors LLC at Aptim, directs the operational execution of large-scale construction and infrastructure projects. Overseeing field operations and site management, the President, APTIM Constructors LLC ensures that all engineering designs translate into safe, efficient, and high-quality physical assets for energy and industrial clients. This role involves managing complex supply chains and labor resources across diverse geographic regions to meet strict project timelines. By driving technical excellence and safety standards on every job site, Christopher Perkins directly impacts the reputation and reliability of the company. The President, APTIM Constructors LLC coordinates with architectural and engineering teams to resolve site-specific challenges, ensuring that every facility meets the exact specifications of government and commercial partners. Through hands-on leadership and rigorous project oversight, the President, APTIM Constructors LLC maintains the operational standards required for success in the competitive global construction market.

    Annabelle Johnson - Chief of Staff

    Annabelle Johnson, the Chief of Staff at Aptim, coordinates internal communications and streamlines executive decision-making processes across the organization. Managing the flow of information between the C-suite and departmental leads, the Chief of Staff ensures that strategic initiatives receive proper oversight and resource allocation. This role involves facilitating cross-functional collaboration to support the delivery of integrated services for government agencies and industrial clients. By optimizing administrative workflows and project management protocols, Annabelle Johnson directly enhances organizational efficiency. The Chief of Staff monitors the execution of corporate goals, ensuring that every division remains focused on the core mission of providing high-quality engineering and architectural solutions. Through meticulous planning and operational support, the Chief of Staff maintains the structural integrity of the firm, enabling the successful completion of large-scale infrastructure projects across diverse international markets.

    Frequently Asked Questions Regarding Aptim Top Executives and Leadership Team

    Who leads Aptim?
    Aptim is led by Mark Fallon (Chairman & Chief Executive Officer), along with executives such as John Grant (Executive Vice President & Chief Financial Officer) and Christopher Perkins (President, APTIM Constructors LLC).
    Who is part of Aptim’s executive team?
    The executive team of Aptim includes leaders such as Mark Fallon (Chairman & Chief Executive Officer), John Grant (Executive Vice President & Chief Financial Officer), Christopher Perkins (President, APTIM Constructors LLC) and other senior executives.
    How many executives does Aptim have?
    Aptim has 4 executives leading key business areas.
    What roles are included in Aptim’s leadership team?
    The leadership team of Aptim includes roles such as Chairman & Chief Executive Officer, Executive Vice President & Chief Financial Officer, President, APTIM Constructors LLC, Chief of Staff.