Interfor Executive and Leadership Team

September, 2026

Leadership Overview

Interfor has 4 executives leading key functions including strategy, organizational alignment, financial management, and operational manufacturing.

Focused on sustainable timber production, Interfor drives global market expansion while maintaining a commitment to high-quality lumber manufacturing and efficient supply chain management across North American operations.

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 overarching corporate strategy and long-term vision for the organization. By overseeing the global manufacturing footprint, the President & Chief Executive Officer ensures alignment between production capacity and international market demand. This leadership role involves constant engagement with the Board to optimize capital allocation and drive sustainable growth across North American sawmilling facilities. Ian Fillinger maintains a focus on operational excellence, ensuring that the company remains a leader in the forest products sector. Through rigorous oversight of corporate initiatives, the President & Chief Executive Officer secures competitive advantages in diverse lumber markets. By fostering a culture of safety and efficiency, Fillinger guides the entire enterprise toward achieving ambitious financial targets while navigating complex regulatory environments. This executive leadership ensures that the company maintains its status as a premier global supplier of high-quality wood products.
    Ian Fillinger

    Michael Mackay - Executive Vice President & Chief Financial Officer

    Michael Mackay, the Executive Vice President & Chief Financial Officer at Interfor, manages the financial health and capital structure of the organization. By overseeing fiscal planning, reporting, and risk management, the Executive Vice President & Chief Financial Officer ensures the company maintains a robust balance sheet capable of supporting large-scale sawmilling operations. This leadership role involves analyzing market trends to inform investment decisions and drive shareholder value across North American and global markets. Michael Mackay directs the financial strategy, ensuring that capital expenditures align with the company's manufacturing goals. Through precise financial modeling and cost control measures, the Executive Vice President & Chief Financial Officer optimizes operational efficiency. Mackay collaborates with other executives to secure the resources necessary for sustained growth. By maintaining rigorous financial discipline, the Executive Vice President & Chief Financial Officer provides the stability required for the company to navigate the cyclical nature of the global lumber industry.
    Michael Mackay

    Andrew Horahan - Executive Vice President & Chief Operating Officer

    Andrew Horahan, the Executive Vice President & Chief Operating Officer at Interfor, manages the daily manufacturing activities and supply chain logistics across all production facilities. By overseeing the conversion of timber into high-quality lumber products, the Executive Vice President & Chief Operating Officer ensures that operational output meets strict quality standards and customer requirements. This leadership role involves optimizing mill performance and implementing advanced manufacturing technologies to increase yield and reduce waste. Andrew Horahan directs regional operations, ensuring that the company maintains a competitive edge in the North American market. Through the coordination of logistics and distribution networks, the Executive Vice President & Chief Operating Officer guarantees timely delivery to global customers. Horahan monitors production metrics to drive continuous improvement and operational safety. By focusing on the technical aspects of sawmilling, the Executive Vice President & Chief Operating Officer supports the company's commitment to excellence in the forest products sector.
    Andrew Horahan

    Holly Gossett - Chief of Staff

    Holly Gossett, the Chief of Staff at Interfor, manages internal communications and coordinates cross-functional projects to streamline executive decision-making. By facilitating collaboration between departments, the Chief of Staff ensures that strategic priorities receive consistent attention from leadership teams. This role involves managing the flow of information to the executive office, allowing for rapid responses to shifting market conditions in the forest products industry. Holly Gossett optimizes organizational workflows, ensuring that corporate objectives remain clear and actionable for all business units. Through the implementation of efficient management processes, the Chief of Staff supports the broader mission of maintaining operational excellence across North American sites. Gossett monitors project timelines and resource allocation, providing critical support to the executive suite. By aligning internal operations with the company's long-term goals, the Chief of Staff drives productivity and maintains the structural integrity of the organization during periods of significant market expansion.

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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.