Sylvamo Executive and Leadership Team

May, 2026

Leadership Overview

Sylvamo has 5 executives leading key functions including strategy, finance, people operations, and commercial operations.

Driven by a commitment to innovation, Sylvamo produces and markets uncoated freesheet for cutsize, offset paper, and pulp across Latin America, Europe, and North America, impacting global markets through its diverse product portfolio and extensive distribution channels.

Leadership Roles at Sylvamo

  • Chairman & Chief Executive Officer - Jean-Michel Ribieras
  • Chief Executive Officer & President - Johnathan (John) Sims
  • Chief Financial Officer - Luciana H.
  • Senior Vice President, and Chief People Officer - Marcie Vargas
  • Senior Vice President, Chief People Officer - Marcia Vargas
  • Jean-Michel Ribieras - Chairman & Chief Executive Officer

    Jean-Michel Ribieras, the Chairman & Chief Executive Officer at Sylvamo, directs the overarching corporate strategy and executive leadership. Ribieras guides the company's global operations, ensuring alignment with market demands for uncoated freesheet paper and pulp across its key segments in Europe, Latin America, and North America. This leadership role involves setting the strategic vision for product development, market expansion, and operational efficiency. By focusing on sustainable practices and innovation, Jean-Michel Ribieras drives the company's long-term growth and market positioning. The Chairman & Chief Executive Officer's responsibilities extend to fostering key stakeholder relationships and ensuring the company's financial health and competitive advantage in the paper industry.
    Jean-Michel Ribieras

    Johnathan (John) Sims - Chief Executive Officer & President

    Johnathan (John) Sims, the Chief Executive Officer & President at Sylvamo, executes the strategic vision and operational management of the company. Sims oversees the production and marketing of uncoated freesheet for cutsize, offset paper, and pulp, managing operations across Latin America, Europe, and North America. This executive directs all functional areas, ensuring seamless integration between manufacturing, sales, and distribution channels. By championing operational excellence, Johnathan (John) Sims drives revenue growth and market share expansion for brands like REY Adagio, Pro-Design, Jetstar, Chamex, Chamequinho, Chambril, Hammermill, Springhill, and others. The Chief Executive Officer & President's focus includes optimizing mill performance and enhancing customer relationships through diverse distribution networks, including retail, e-commerce, and distributors.
    Johnathan (John) Sims

    Luciana H. - Chief Financial Officer

    Luciana H., the Chief Financial Officer at Sylvamo, manages the company's financial strategy and fiscal operations. H. oversees all aspects of financial planning, reporting, and capital allocation across Sylvamo's global segments in Europe, Latin America, and North America. This critical role involves ensuring financial stability, driving profitability, and supporting strategic investments in production and market development. The Chief Financial Officer's responsibilities include managing investor relations, optimizing cost structures, and mitigating financial risks associated with the paper and pulp industry. By providing robust financial oversight, Luciana H. enables informed decision-making and underpins the company's sustained growth and operational efficiency.

    Marcie Vargas - Senior Vice President, and Chief People Officer

    Marcie Vargas, the Senior Vice President, and Chief People Officer at Sylvamo, directs human capital strategy and organizational development. Vargas oversees all people-related functions, including talent acquisition, employee engagement, compensation, and benefits across Sylvamo's international operations. This leadership position focuses on cultivating a high-performance culture that supports the company's mission in producing and marketing uncoated freesheet and pulp. Marcie Vargas ensures that the workforce is equipped with the necessary skills and resources to drive innovation and operational excellence in the European, Latin American, and North American markets. The Senior Vice President, and Chief People Officer's efforts are crucial for attracting and retaining top talent, fostering employee well-being, and aligning human resources with the company's strategic objectives.

    Marcia Vargas - Senior Vice President, Chief People Officer

    Marcia Vargas, the Senior Vice President, Chief People Officer at Sylvamo, leads the comprehensive human resources strategy and execution. Vargas manages all facets of people operations, including talent management, employee relations, and organizational design across the company's global footprint in Europe, Latin America, and North America. This executive role is dedicated to building a robust organizational structure that supports Sylvamo's production and distribution of uncoated freesheet and pulp. Marcia Vargas champions initiatives aimed at enhancing employee experience, promoting diversity and inclusion, and ensuring compliance with labor laws in all operating regions. The Senior Vice President, Chief People Officer's strategic focus is on developing a skilled and motivated workforce essential for achieving the company's commercial and operational goals.

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    Frequently Asked Questions Regarding Sylvamo Top Executives and Leadership Team

    Who leads Sylvamo?
    Sylvamo is led by Jean-Michel Ribieras (Chairman & Chief Executive Officer), along with executives such as Johnathan (John) Sims (Chief Executive Officer & President) and Luciana H. (Chief Financial Officer).
    Who is part of Sylvamo’s executive team?
    The executive team of Sylvamo includes leaders such as Jean-Michel Ribieras (Chairman & Chief Executive Officer), Johnathan (John) Sims (Chief Executive Officer & President), Luciana H. (Chief Financial Officer) and other senior executives.
    How many executives does Sylvamo have?
    Sylvamo has 5 executives leading key business areas.
    What roles are included in Sylvamo’s leadership team?
    The leadership team of Sylvamo includes roles such as Chairman & Chief Executive Officer, Chief Executive Officer & President, Chief Financial Officer, Senior Vice President, and Chief People Officer, Senior Vice President, Chief People Officer.