Sylvamo Executive and Leadership Team

Johnathan (John) Sims, the Chief Executive Officer & President at Sylvamo, directs the overarching corporate strategy and operational execution across all global segments. By overseeing the production of uncoated freesheet for cutsize and offset paper, the Chief Executive Officer & President ensures alignment between manufacturing output and international market demand. This leadership role involves constant coordination with the Board to optimize the performance of integrated mills in Latin America and North America. Johnathan (John) Sims drives initiatives that enhance the efficiency of the supply chain, ensuring that brands like Hammermill and Chamex maintain competitive positioning. Through rigorous oversight of commercial printing and imaging paper portfolios, the Chief Executive Officer & President secures long-term growth. Ultimately, Sims fosters a culture of operational excellence that supports the company's mission to provide high-quality paper products to diverse global distribution channels.

Jean-Michel Ribieras, the Chairman & Chief Executive Officer at Sylvamo, architects the long-term vision and governance framework for the entire organization. By focusing on the strategic expansion of the Europe segment, the Chairman & Chief Executive Officer manages the development of high-speed inkjet printing papers and specialized brands like REY Adagio. This leadership role involves deep engagement with international stakeholders to ensure that the company's pulp and paper assets remain profitable in volatile global markets. Jean-Michel Ribieras drives the integration of sustainable practices across all manufacturing facilities, ensuring that the company meets evolving environmental standards. Through the oversight of complex cross-border operations, the Chairman & Chief Executive Officer maintains the company's reputation for quality and reliability. Ultimately, Ribieras secures the financial and operational stability of the enterprise by aligning corporate governance with the specific needs of the European, Latin American, and North American markets.

Don Devlin, the Senior Vice President & Chief Financial Officer at Sylvamo, manages the fiscal health and capital allocation strategies for the global organization. By overseeing financial reporting, treasury functions, and investor relations, the Senior Vice President & Chief Financial Officer ensures that the company maintains a robust balance sheet to support its integrated mill operations. This leadership role involves analyzing market trends in the uncoated freesheet sector to guide investment decisions across North America, Europe, and Latin America. Don Devlin drives cost-optimization programs that improve margins for key product lines like Springhill and Jetstar. Through close collaboration with the executive team, the Senior Vice President & Chief Financial Officer provides the financial data necessary to evaluate the viability of new distribution channels and e-commerce initiatives. Ultimately, Devlin secures the company's fiscal future by maintaining disciplined financial controls and supporting the strategic growth objectives of the entire business.

Marcia Vargas, the Senior Vice President, Chief People Officer at Sylvamo, directs the human capital strategy and organizational development initiatives across all global regions. By overseeing talent acquisition, employee engagement, and leadership development, the Senior Vice President, Chief People Officer ensures that the workforce remains aligned with the company's manufacturing goals. This leadership role involves implementing standardized HR policies that support the diverse operational needs of mills in Latin America, Europe, and North America. Marcia Vargas drives cultural transformation programs that emphasize safety, inclusion, and professional growth for all employees. Through the management of complex labor relations and organizational design, the Senior Vice President, Chief People Officer supports the company's ability to attract and retain top-tier talent in the paper and pulp industry. Ultimately, Vargas secures the long-term success of the organization by fostering a high-performance environment that empowers the workforce to deliver consistent results.