Ternium Executive and Leadership Team

June, 2026

Leadership Overview

Ternium has 9 executives leading key functions including technology, operations, and human resources.

Driven by a commitment to excellence, Ternium manufactures flat and long steel products, serving diverse industries with a focus on innovation and customer solutions.

Leadership Roles at Ternium

  • Global President, Trade - Ricardo Prosperi
  • President, Ternium Inc (USA) - Michael Guhl
  • President Ternium Colombia - Sebastian Castro
  • President (Argentina) - Martín Berardi
  • Chief Technology Officer - Carlos Polidori
  • Chief of Staff - Sergio Garza
  • Chief Human Resources Officer - Santiago Lozano
  • Global Chief Technology Officer, Information Technology & Director, Sistemas Ternium Brasil - Patricio Flynn
  • Jefe De Personal - Michelle Estrada
  • Ricardo Prosperi - Global President, Trade

    Ricardo Prosperi, the Global President, Trade at Ternium, directs the company's international trade operations and market expansion strategies. Overseeing global sales channels and customer relationships, Prosperi drives revenue growth and strengthens Ternium's market presence across diverse geographic regions. This leadership position involves navigating complex international trade regulations and optimizing supply chain logistics to ensure efficient product delivery. By fostering strategic partnerships and identifying new market opportunities, Ricardo Prosperi enhances Ternium's competitive positioning in the global steel industry. The Global President, Trade's expertise is essential for managing the complexities of international commerce and maximizing global sales performance.
    Ricardo Prosperi

    Michael Guhl - President, Ternium Inc (USA)

    Michael Guhl, the President, Ternium Inc (USA) at Ternium, leads the company's strategic operations and business development within the United States market. Overseeing all commercial activities and manufacturing processes for Ternium's U.S. subsidiary, Guhl ensures alignment with global corporate objectives while driving regional growth and profitability. This executive role involves managing key stakeholder relationships, optimizing production capabilities, and expanding market share in the competitive North American steel sector. By implementing effective strategies tailored to the U.S. market, Michael Guhl strengthens Ternium's presence and operational excellence in the region. The President, Ternium Inc (USA)'s leadership is pivotal for the company's success in this significant market.
    Michael Guhl

    Sebastian Castro - President Ternium Colombia

    Sebastian Castro, the President Ternium Colombia at Ternium, directs the company's strategic initiatives and operational performance within Colombia. Overseeing all business functions in the region, Castro drives market growth, enhances customer satisfaction, and ensures operational efficiency across Ternium's Colombian operations. This leadership role involves navigating the local market dynamics, fostering key relationships with stakeholders, and implementing strategies that align with global corporate goals. By focusing on regional development and operational excellence, Sebastian Castro strengthens Ternium's position as a leading steel manufacturer in Colombia. The President Ternium Colombia's leadership is instrumental in achieving sustained success in this vital South American market.

    Martín Berardi - President (Argentina)

    Martín Berardi, the President (Argentina) at Ternium, leads the company's comprehensive operations and strategic direction within Argentina. Overseeing all commercial, industrial, and administrative functions, Berardi drives market leadership and operational excellence across Ternium's Argentine facilities. This executive position involves managing complex supply chains, fostering strong customer relationships, and implementing innovative solutions to meet the demands of diverse industries, including automotive and construction. By championing initiatives that enhance productivity and sustainability, Martín Berardi ensures Ternium's continued growth and commitment to the Argentine economy. The President (Argentina)'s strategic oversight is critical for maintaining Ternium's competitive edge and robust presence in the region.
    Martín Berardi

    Carlos Polidori - Chief Technology Officer

    Carlos Polidori, the Chief Technology Officer at Ternium, directs the company's technological strategy and innovation initiatives. Overseeing the development and implementation of advanced technologies, Polidori ensures Ternium remains at the forefront of manufacturing efficiency and product quality. This leadership role involves integrating cutting-edge solutions across all operational facets, from production lines to customer engagement platforms. By fostering a culture of technological advancement, Carlos Polidori drives the company's capacity to meet evolving market demands and enhance its competitive edge in the global steel industry. The Chief Technology Officer's focus extends to exploring new materials and processes that improve sustainability and performance.
    Carlos Polidori

    Sergio Garza - Chief of Staff

    Sergio Garza, the Chief of Staff at Ternium, provides strategic support and operational coordination across executive functions. Managing key projects and initiatives, Garza ensures alignment with Ternium's overarching business objectives and facilitates efficient decision-making processes. This role involves close collaboration with various departments to streamline operations and enhance organizational effectiveness. By acting as a central point of contact for critical assignments, Sergio Garza drives the execution of strategic plans and supports the leadership team in navigating complex business challenges. The Chief of Staff's contributions are vital to maintaining operational momentum and achieving corporate goals.

    Santiago Lozano - Chief Human Resources Officer

    Santiago Lozano, the Chief Human Resources Officer at Ternium, leads all aspects of human capital management and organizational development. Overseeing talent acquisition, employee relations, and compensation strategies, Lozano cultivates a high-performance work environment that supports Ternium's manufacturing and business objectives. This critical role involves developing and implementing HR policies that foster employee engagement, professional growth, and adherence to company values across its global operations. By championing initiatives that enhance workforce capabilities and well-being, Santiago Lozano ensures Ternium attracts and retains top talent essential for its continued success in the steel industry. The Chief Human Resources Officer's strategic vision is key to building a resilient and motivated workforce.

    Patricio Flynn - Global Chief Technology Officer, Information Technology & Director, Sistemas Ternium Brasil

    Patricio Flynn, the Global Chief Technology Officer, Information Technology & Director, Sistemas Ternium Brasil at Ternium, spearheads the company's information technology infrastructure and digital transformation efforts, with a specific focus on Ternium Brasil. Overseeing the strategic deployment of IT systems, Flynn ensures robust technological support for all business units, enhancing operational efficiency and data security. This dual role involves driving innovation in IT solutions while also managing the complex systems integral to Ternium Brasil's operations. By integrating advanced technologies and optimizing digital workflows, Patricio Flynn strengthens Ternium's technological backbone and supports its growth across key markets. The Global Chief Technology Officer, Information Technology & Director, Sistemas Ternium Brasil's leadership is crucial for maintaining competitive technological capabilities.

    Michelle Estrada - Jefe De Personal

    Michelle Estrada, the Jefe De Personal at Ternium, manages personnel functions and employee relations within the organization. Overseeing human resource operations, Estrada ensures compliance with labor laws and implements policies that support a productive and engaged workforce. This role involves direct engagement with employees to address concerns and foster a positive work environment. By coordinating recruitment efforts and supporting employee development programs, Michelle Estrada contributes to building a skilled and motivated team essential for Ternium's operational success. The Jefe De Personal's dedication to personnel management is vital for maintaining organizational harmony and efficiency.

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    Frequently Asked Questions Regarding Ternium Top Executives and Leadership Team

    Who leads Ternium?
    Ternium is led by Ricardo Prosperi (Global President, Trade), along with executives such as Michael Guhl (President, Ternium Inc (USA)) and Sebastian Castro (President Ternium Colombia).
    Who is part of Ternium’s executive team?
    The executive team of Ternium includes leaders such as Ricardo Prosperi (Global President, Trade), Michael Guhl (President, Ternium Inc (USA)), Sebastian Castro (President Ternium Colombia) and other senior executives.
    How many executives does Ternium have?
    Ternium has 9 executives leading key business areas.
    What roles are included in Ternium’s leadership team?
    The leadership team of Ternium includes roles such as Global President, Trade, President, Ternium Inc (USA), President Ternium Colombia, President (Argentina), Chief Technology Officer.