International Paper Announces Changes to Its Board of Directors

International Paper announced that Katherine Collins and Lori J. Ryerkerk have been appointed to the company’s Board of Directors, effective October 1, 2026.

Additionally, two directors plan to retire from serving on IP’s board of directors at the end of 2026: Dr. Kathryn Sullivan, who has served on the IP board since 2017, and Ahmet Dorduncu, who has served on the IP board since 2011.

Katherine Collins is an investment leader with over three decades of experience in asset management, sustainable investing, research leadership, and nonprofit governance. She most recently served as the first Head of Sustainable Investing at Putnam Investments, where she built the firm’s sustainable investment platform into a top 10 U.S. sustainable asset manager with more than $10 billion in assets. 

Earlier in her career, she held senior investment roles at Fidelity, including leading equity research for more than $500 billion in U.S. equity mutual fund assets and managing multi-billion-dollar portfolios. She is also the founder and CEO of Honeybee Capital Foundation, author of The Nature of Investing, a CFA charterholder, and an active nonprofit board leader. 

Lori J. Ryerkerk is an executive and board leader with more than four decades of experience across the global energy, chemicals and specialty materials sectors. She most recently served as Chairman, President and CEO of Celanese Corporation, where she led the company through significant transformation, including the $11 billion acquisition of DuPont’s Mobility & Materials business and major sustainability initiatives. 

Earlier in her career, she held senior global manufacturing and operations leadership roles at Shell, Hess and ExxonMobil, with responsibility for refining, chemical manufacturing, safety, operational performance and downstream strategy.