Sylvamo Executive and Leadership Team

June, 2026

Leadership Overview

Sylvamo has 5 executives leading key functions including strategy, finance, human resources, and operations.

Driven by a commitment to innovation, Sylvamo is dedicated to producing high-quality paper products that meet diverse market needs across multiple continents, fostering sustainable practices and delivering value to stakeholders.

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 global operations. This leadership role involves setting the vision for the company's expansion across Latin America, Europe, and North America, ensuring alignment with market demands for uncoated freesheet, cutsize, offset paper, and pulp. Ribieras oversees the strategic direction of key brands such as REY Adagio, Pro-Design, Jetstar, Chamex, Chamequinho, Chambril, Hammermill, Springhill, Williamsburg, Accent, DRM, and Postmark. The Chairman & Chief Executive Officer's responsibilities extend to driving innovation in product development and manufacturing processes, optimizing integrated and non-integrated mill operations, and maintaining strong relationships with retail merchants, e-commerce platforms, agents, resellers, and paper distributors. Jean-Michel Ribieras ensures the company's financial health and operational efficiency, positioning Sylvamo for sustained growth and market leadership 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. This executive guides the company's performance across its Europe, Latin America, and North America segments, focusing on the production and marketing of uncoated freesheet for cutsize, offset paper, and pulp. Sims drives initiatives to enhance product offerings, including copy, tinted, and colored laser printing papers, graphic and high-speed inkjet printing papers, imaging, commercial printing, and converting papers. The Chief Executive Officer & President's purview includes optimizing mill operations, managing supply chain logistics, and expanding market reach through diverse distribution channels like retail, e-commerce, and paper distributors. Johnathan (John) Sims ensures robust financial performance and operational excellence, reinforcing Sylvamo's commitment to quality and customer satisfaction across its global footprint.
    Johnathan (John) Sims

    Luciana H. - Chief Financial Officer

    Luciana H., the Chief Financial Officer at Sylvamo, directs all financial operations and strategic financial planning for the organization. This role involves managing the company's fiscal health across its global segments in Latin America, Europe, and North America, ensuring robust financial reporting and compliance. The Chief Financial Officer oversees budgeting, forecasting, capital allocation, and investment strategies to support Sylvamo's production of uncoated freesheet, cutsize, offset paper, and pulp. Luciana H. plays a critical part in evaluating market opportunities, managing financial risks, and optimizing the company's capital structure to drive sustainable growth and profitability. This executive ensures that financial strategies directly support the company's operational objectives and its market presence with brands like Hammermill and Chamex.

    Marcie Vargas - Senior Vice President, and Chief People Officer

    Marcie Vargas, the Senior Vice President, and Chief People Officer at Sylvamo, leads all human capital strategies and organizational development initiatives. This executive is responsible for cultivating a high-performance culture, driving talent acquisition, and implementing comprehensive employee engagement programs across Sylvamo's global operations in Latin America, Europe, and North America. Vargas oversees workforce planning, compensation and benefits, and diversity and inclusion efforts, ensuring that the company's people strategies align with its business objectives in paper production and distribution. The Senior Vice President, and Chief People Officer's focus includes fostering leadership development and ensuring a positive employee experience that supports the company's mission and values. Marcie Vargas ensures that Sylvamo attracts, retains, and develops the talent necessary to achieve its strategic goals and maintain its market leadership.

    Marcia Vargas - Senior Vice President, Chief People Officer

    Marcia Vargas, the Senior Vice President, Chief People Officer at Sylvamo, spearheads the company's comprehensive human resources strategy and organizational effectiveness. This leadership position involves overseeing talent management, employee relations, and the development of a robust corporate culture across Sylvamo's international operations in Latin America, Europe, and North America. Vargas directs initiatives focused on recruitment, retention, and professional development, ensuring that the workforce is equipped to support the company's production and marketing of uncoated freesheet, cutsize, and offset paper. The Senior Vice President, Chief People Officer's responsibilities include managing compensation structures, benefits programs, and fostering an inclusive work environment that drives employee engagement and productivity. Marcia Vargas ensures that human capital is strategically aligned to support Sylvamo's growth objectives and its commitment to operational excellence.

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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.