Stephanie Apostolou is Chief Legal and Strategy Officer, responsible for overseeing all aspects of our Transformation, Engineering, Strategy, Legal, Risk, Zero Harm and Sustainability functions.

Stephanie joined Koppers in 2011 as Corporate Counsel and subsequently served as Deputy General Counsel and Assistant Secretary before being named General Counsel and Secretary in 2020. In 2024, she was appointed Chief Legal and Sustainability Officer and Secretary, overseeing Legal, Risk Management, Strategic Planning, Sustainability and Zero Harm while continuing to serve as liaison to the Board of Directors.

Prior to her career at Koppers, she served as an associate in the Corporate and Securities practice group at Reed Smith LLP and held various finance roles at Lincoln Financial Group.

She is a member of the Board of Directors of Junior Achievement of Western Pennsylvania and the United Way of Southwestern Pennsylvania.

Stephanie earned a bachelor’s degree in Finance and French from the University of Notre Dame, and a juris doctor from the University of Notre Dame Law School.