Koppers Names James A. Sullivan President and Chief Transformation Officer; New Role Created to Oversee Company-wide Catalyst Initiative

PITTSBURGH, May 29, 2025 /PRNewswire/ -- Koppers Holdings Inc. (NYSE: KOP), a leading integrated global provider of treated wood products, wood treatment chemicals, and carbon compounds, today announced the appointment of James A. Sullivan as President and Chief Transformation Officer, effective June 1, 2025.

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