ThyssenKrupp Materials NA Executive and Leadership Team

May, 2026

Leadership Overview

ThyssenKrupp Materials NA has 6 executives leading key functions including strategy, operations, finance, and market development.

Driven by a commitment to excellence, ThyssenKrupp Materials NA provides essential production materials and integrated service solutions, focusing on value-added processing and distribution across a wide spectrum of metals and plastics to empower industrial clients.

Leadership Roles at ThyssenKrupp Materials NA

  • BUand Chief Executive Officer President - Timothy Yost
  • President & Chief Executive Officer, Steel Services - Stephen McGee
  • Chief Financial Officer - Norbert Goertz
  • President - Brian Diephuis
  • President - James Patsakos
  • President - Christiane Stuart
  • Timothy Yost - BUand Chief Executive Officer President

    Timothy Yost, the BUand Chief Executive Officer President at ThyssenKrupp Materials NA, directs overarching business unit strategy and executive leadership. Yost guides the company's strategic direction, ensuring alignment with global corporate objectives and driving growth across all operational segments. This leadership role involves optimizing resource allocation and fostering innovation within the production materials and integrated service solutions sectors. By championing a culture of operational excellence, Timothy Yost ensures the efficient distribution and value-added processing of aluminum, stainless steel, copper, brass, specialty metals, steel, and plastics products. Yost's strategic vision is critical for maintaining ThyssenKrupp Materials NA's market position and expanding its service capabilities to meet evolving client demands.
    Timothy Yost

    Stephen McGee - President & Chief Executive Officer, Steel Services

    Stephen McGee, the President & Chief Executive Officer, Steel Services at ThyssenKrupp Materials NA, spearheads the strategic direction and operational execution for the steel services division. McGee oversees all aspects of steel processing, distribution, and integrated service solutions, ensuring high standards of quality and efficiency. This executive leadership focuses on enhancing customer value through advanced processing techniques and reliable supply chain management for steel products. By driving operational improvements and market expansion, Stephen McGee strengthens the company's competitive edge in the steel sector. McGee's role is pivotal in managing client relationships and developing tailored solutions that address the specific needs of industries reliant on steel materials, thereby contributing significantly to the company's overall revenue and market share.
    Stephen McGee

    Norbert Goertz - Chief Financial Officer

    Norbert Goertz, the Chief Financial Officer at ThyssenKrupp Materials NA, directs all financial operations and strategic fiscal planning for the organization. Goertz manages financial reporting, budgeting, forecasting, and investment strategies, ensuring the company's fiscal health and sustainable growth. This critical role involves overseeing capital allocation, risk management, and optimizing financial performance across all business units, including aluminum, stainless steel, copper, brass, specialty metals, steel, and plastics. By implementing robust financial controls and driving cost-efficiency initiatives, Norbert Goertz supports the company's mission of providing value-added processing and distribution services. Goertz's financial acumen is essential for navigating market complexities and securing the resources necessary for ThyssenKrupp Materials NA's continued success and expansion.
    Norbert Goertz

    Brian Diephuis - President

    Brian Diephuis, the President at ThyssenKrupp Materials NA, leads key operational initiatives and market development strategies. Diephuis focuses on enhancing the company's integrated service solutions and optimizing the distribution network for a diverse range of production materials. This leadership position involves driving efficiency in value-added processing for aluminum, stainless steel, copper, brass, specialty metals, steel, and plastics. By fostering strong client relationships and identifying new market opportunities, Brian Diephuis contributes to the company's sustained growth and competitive advantage. Diephuis's operational oversight ensures seamless integration of services and materials, directly impacting customer satisfaction and the company's ability to deliver on its core commitments.
    Brian Diephuis

    James Patsakos - President

    James Patsakos, the President at ThyssenKrupp Materials NA, directs strategic initiatives focused on expanding the company's market reach and service offerings. Patsakos oversees the integration of production materials and value-added processing solutions, ensuring alignment with client needs across various industries. This executive role emphasizes driving operational excellence and fostering innovation in the distribution of aluminum, stainless steel, copper, brass, specialty metals, steel, and plastics. By cultivating key partnerships and exploring new business avenues, James Patsakos plays a vital role in enhancing ThyssenKrupp Materials NA's competitive positioning. Patsakos's leadership is instrumental in navigating market dynamics and ensuring the company's continued success in delivering comprehensive material solutions.

    Christiane Stuart - President

    Christiane Stuart, the President at ThyssenKrupp Materials NA, leads strategic efforts to enhance the company's portfolio of production materials and integrated service solutions. Stuart focuses on optimizing the value-added processing and distribution of aluminum, stainless steel, copper, brass, specialty metals, steel, and plastics products. This leadership role involves driving operational efficiencies and fostering collaborative relationships with clients to meet their evolving demands. By championing new service models and market penetration strategies, Christiane Stuart contributes significantly to ThyssenKrupp Materials NA's growth trajectory. Stuart's commitment to excellence ensures the company remains a premier provider of essential materials and tailored solutions in the competitive industrial landscape.

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    Frequently Asked Questions Regarding ThyssenKrupp Materials NA Top Executives and Leadership Team

    Who leads ThyssenKrupp Materials NA?
    ThyssenKrupp Materials NA is led by Timothy Yost (BUand Chief Executive Officer President), along with executives such as Stephen McGee (President & Chief Executive Officer, Steel Services) and Norbert Goertz (Chief Financial Officer).
    Who is part of ThyssenKrupp Materials NA’s executive team?
    The executive team of ThyssenKrupp Materials NA includes leaders such as Timothy Yost (BUand Chief Executive Officer President), Stephen McGee (President & Chief Executive Officer, Steel Services), Norbert Goertz (Chief Financial Officer) and other senior executives.
    How many executives does ThyssenKrupp Materials NA have?
    ThyssenKrupp Materials NA has 6 executives leading key business areas.
    What roles are included in ThyssenKrupp Materials NA’s leadership team?
    The leadership team of ThyssenKrupp Materials NA includes roles such as BUand Chief Executive Officer President, President & Chief Executive Officer, Steel Services, Chief Financial Officer, President, President.