A. M. Castle & Co. Executive and Leadership Team

August, 2026

Leadership Overview

A. M. Castle & Co. has 4 executives leading key functions including strategic oversight, interim management, executive office administration, and operational logistics.

Focused on global metal distribution and supply chain excellence, A. M. Castle & Co. maintains a commitment to industrial precision and long-term market stability through robust service delivery.

Leadership Roles at A. M. Castle & Co.

  • Chief Executive Officer - Furkan Karakaya
  • Interim Chief Executive Officer - Guillermo Zarate
  • General Manager of the Chief Executive Officer Office - Hiroyuki Tarumi
  • Executive Vice President and Chief Operating Officer - M. Bruce Herron
  • Furkan Karakaya - Chief Executive Officer

    Furkan Karakaya, the Chief Executive Officer at A. M. Castle & Co., directs the overarching corporate strategy for global metal distribution. Karakaya architects high-level initiatives to optimize supply chain services across international markets. By aligning internal resources with industrial demand, the Chief Executive Officer ensures consistent growth and operational efficiency. This leadership role involves constant engagement with the Board to refine long-term business objectives. Furkan Karakaya maintains a focus on expanding the company footprint within the competitive manufacturing sector. Through rigorous oversight of market trends, the Chief Executive Officer drives the organization toward sustainable profitability. The executive leadership team relies on the strategic vision provided by Karakaya to navigate complex global logistics. By fostering innovation in metal procurement, the Chief Executive Officer strengthens the market position of the firm. Ultimately, Karakaya secures the future trajectory of the enterprise through disciplined management and clear, actionable corporate goals.

    Guillermo Zarate - Interim Chief Executive Officer

    Guillermo Zarate, the Interim Chief Executive Officer at A. M. Castle & Co., manages the immediate transition of corporate leadership and operational continuity. Zarate stabilizes core business functions while maintaining the integrity of global supply chain services. The Interim Chief Executive Officer coordinates with department heads to ensure that metal distribution remains uninterrupted during this period. Guillermo Zarate evaluates existing workflows to identify opportunities for immediate performance improvements. This role requires precise communication with stakeholders to maintain confidence in the organizational direction. By prioritizing efficiency, the Interim Chief Executive Officer supports the broader mission of the company. Zarate oversees the execution of critical projects that sustain the competitive advantage of the firm. Through careful monitoring of operational metrics, the Interim Chief Executive Officer ensures that the company meets all client requirements. Ultimately, Zarate provides the necessary stability to allow the organization to continue delivering high-quality metal products to global markets.

    Hiroyuki Tarumi - General Manager of the Chief Executive Officer Office

    Hiroyuki Tarumi, the General Manager of the Chief Executive Officer Office at A. M. Castle & Co., facilitates the daily administrative and strategic operations of the executive suite. Tarumi manages the flow of information between the Chief Executive Officer and various business units to ensure alignment with corporate objectives. The General Manager of the Chief Executive Officer Office coordinates complex projects that span multiple departments, including supply chain and metal distribution. Hiroyuki Tarumi optimizes internal processes to enhance the productivity of the leadership team. This role involves synthesizing data to support informed decision-making at the highest level of the organization. By streamlining communication channels, the General Manager of the Chief Executive Officer Office improves the speed of strategic execution. Tarumi monitors the progress of key initiatives to ensure that the company achieves its performance targets. Ultimately, the General Manager of the Chief Executive Officer Office provides the structural support necessary for the firm to maintain its global operational standards.

    M. Bruce Herron - Executive Vice President and Chief Operating Officer

    M. Bruce Herron, the Executive Vice President and Chief Operating Officer at A. M. Castle & Co., directs the day-to-day operational activities of the global metal distribution network. Herron architects scalable logistics solutions to ensure the timely delivery of supply chain services. The Executive Vice President and Chief Operating Officer oversees the integration of new technologies into the manufacturing and distribution processes. M. Bruce Herron collaborates with other C-suite leaders to align operational capacity with market demand. This leadership role involves managing regional performance to ensure consistency across the entire enterprise. By optimizing inventory management and warehouse operations, the Executive Vice President and Chief Operating Officer drives significant cost efficiencies. Herron maintains a focus on safety and quality standards to uphold the reputation of the firm. Through rigorous oversight of operational workflows, the Executive Vice President and Chief Operating Officer ensures that the company remains a leader in the metal distribution industry.

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    Frequently Asked Questions Regarding A. M. Castle & Co. Top Executives and Leadership Team

    Who leads A. M. Castle & Co.?
    A. M. Castle & Co. is led by Furkan Karakaya (Chief Executive Officer), along with executives such as Guillermo Zarate (Interim Chief Executive Officer) and Hiroyuki Tarumi (General Manager of the Chief Executive Officer Office).
    Who is part of A. M. Castle & Co.’s executive team?
    The executive team of A. M. Castle & Co. includes leaders such as Furkan Karakaya (Chief Executive Officer), Guillermo Zarate (Interim Chief Executive Officer), Hiroyuki Tarumi (General Manager of the Chief Executive Officer Office) and other senior executives.
    How many executives does A. M. Castle & Co. have?
    A. M. Castle & Co. has 4 executives leading key business areas.
    What roles are included in A. M. Castle & Co.’s leadership team?
    The leadership team of A. M. Castle & Co. includes roles such as Chief Executive Officer, Interim Chief Executive Officer, General Manager of the Chief Executive Officer Office, Executive Vice President and Chief Operating Officer.