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International Paper adds two directors, two others to retire

July 17, 2026 4:10 PM EDT

International Paper (NYSE: IP; LSE: IPC) has appointed Katherine Collins and Lori J. Ryerkerk to its board of directors, effective October 1, 2026, according to a company statement.



Collins has over three decades of experience in asset management and sustainable investing. She previously served as the first Head of Sustainable Investing at Putnam Investments, where she built the firm's sustainable investment platform to more than $10 billion in assets. Earlier in her career, she held senior investment roles at Fidelity, overseeing equity research for more than $500 billion in U.S. equity mutual fund assets. She is also founder and CEO of Honeybee Capital Foundation and holds a master's degree from Harvard Divinity School and a bachelor's degree from Wellesley College.



Ryerkerk has more than four decades of experience in the energy, chemicals and specialty materials sectors. She most recently served as Chairman, President and CEO of Celanese Corporation, where she oversaw the $11 billion acquisition of DuPont's Mobility & Materials business. She previously held senior roles at Shell, Hess and ExxonMobil and currently serves on the boards of Norfolk Southern, Cencora and Eaton. She holds a Bachelor of Science in Chemical Engineering from Iowa State University.



Separately, two current board members plan to retire at the end of 2026. Dr. Kathryn Sullivan, who has served on the board since 2017, and Ahmet Dorduncu, who has served since 2011, will both step down.


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