Interfor Executive and Leadership Team

July, 2026

Leadership Overview

Interfor has 4 executives leading key functions including strategy, operations, finance, and administration.

Driven by a commitment to sustainable forestry, Interfor operates as a global leader in forest products, manufacturing a diverse range of lumber products for customers worldwide.

Leadership Roles at Interfor

  • President & Chief Executive Officer - Ian Fillinger
  • Executive Vice President & Chief Financial Officer - Michael Mackay
  • Executive Vice President & Chief Operating Officer - Andrew Horahan
  • Chief of Staff - Holly Gossett
  • Ian Fillinger - President & Chief Executive Officer

    Ian Fillinger, the President & Chief Executive Officer at Interfor, directs the company's overarching strategy and global operations. Fillinger guides Interfor's expansion and market positioning, ensuring alignment with its mission as a leading forest products company. This leadership role involves overseeing all facets of the business, from resource management to product innovation across North America and international markets. The President & Chief Executive Officer drives the company's financial performance and long-term growth objectives. By championing sustainable practices, Ian Fillinger ensures Interfor maintains its competitive edge and commitment to environmental responsibility in the global lumber industry. This executive's focus is on maximizing shareholder value while upholding the company's core values.
    Ian Fillinger

    Michael Mackay - Executive Vice President & Chief Financial Officer

    Michael Mackay, the Executive Vice President & Chief Financial Officer at Interfor, oversees all financial operations and strategic financial planning for the corporation. Mackay directs capital allocation, investment strategies, and financial risk management, ensuring the fiscal health and stability of Interfor's extensive operations across North America. This leadership position involves managing investor relations and reporting, providing critical financial insights to guide business decisions. The Executive Vice President & Chief Financial Officer is instrumental in securing funding for growth initiatives and optimizing the company's financial structure. By meticulously managing financial resources, Michael Mackay supports Interfor's global market presence and its manufacturing of diverse lumber products. This executive's expertise is key to sustaining profitability and driving shareholder value.
    Michael Mackay

    Andrew Horahan - Executive Vice President & Chief Operating Officer

    Andrew Horahan, the Executive Vice President & Chief Operating Officer at Interfor, directs the company's extensive manufacturing and sawmilling operations across North America. Horahan oversees the efficiency and productivity of all production facilities, ensuring the consistent delivery of high-quality lumber products to global customers. This role involves managing supply chain logistics, optimizing resource utilization, and implementing operational improvements to enhance Interfor's competitive position. The Executive Vice President & Chief Operating Officer is responsible for driving operational excellence and ensuring adherence to safety and environmental standards. By refining manufacturing processes, Andrew Horahan directly supports Interfor's status as a world-leading forest products company. This executive's focus is on maximizing output and operational integrity.
    Andrew Horahan

    Holly Gossett - Chief of Staff

    Holly Gossett, the Chief of Staff at Interfor, provides direct support to the executive leadership team, facilitating strategic initiatives and operational efficiency. Gossett manages key projects and ensures seamless communication across departments, contributing to the effective execution of company-wide objectives. This role involves coordinating executive priorities and driving cross-functional collaboration to advance Interfor's business goals. The Chief of Staff plays a crucial part in streamlining operations and implementing strategic decisions across the organization. By optimizing internal processes, Holly Gossett enhances the leadership's capacity to focus on core business development and market expansion. This position is vital for maintaining organizational alignment and supporting the President & Chief Executive Officer's vision.

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    Frequently Asked Questions Regarding Interfor Top Executives and Leadership Team

    Who leads Interfor?
    Interfor is led by Ian Fillinger (President & Chief Executive Officer), along with executives such as Michael Mackay (Executive Vice President & Chief Financial Officer) and Andrew Horahan (Executive Vice President & Chief Operating Officer).
    Who is part of Interfor’s executive team?
    The executive team of Interfor includes leaders such as Ian Fillinger (President & Chief Executive Officer), Michael Mackay (Executive Vice President & Chief Financial Officer), Andrew Horahan (Executive Vice President & Chief Operating Officer) and other senior executives.
    How many executives does Interfor have?
    Interfor has 4 executives leading key business areas.
    What roles are included in Interfor’s leadership team?
    The leadership team of Interfor includes roles such as President & Chief Executive Officer, Executive Vice President & Chief Financial Officer, Executive Vice President & Chief Operating Officer, Chief of Staff.