Leroy Ball is Chief Executive Officer of Koppers and serves as Chairman of the Board of Directors. Under Leroy’s leadership, Koppers is focused on creating, protecting and preserving key elements of our global infrastructure. Additionally, he has placed special emphasis on anchoring the company’s culture in its values of People, Planet and Performance.

Leroy joined Koppers in September 2010 as Vice President and Chief Financial Officer, providing oversight for the Finance, Treasury, Information Technology and Investor Relations functions. From May to December 2014, he held the role of Chief Operating Officer, with responsibility for the company’s global business operations. He was elected President and Chief Executive Officer in January 2015.

Prior to Koppers, Leroy spent 10 years with Calgon Carbon Corporation, an international chemical company. During this time, he served as Controller before being named Senior Vice President and Chief Financial Officer in 2002. He also served as President of the company’s majority-owned Japanese joint venture. Previously, Leroy held several positions in finance with Carmeuse Lime Co./Dravo Corporation.

Leroy serves as Lead Director of the Board of Directors for ATI Inc., a global specialty materials company, and as a member of the Board of Directors for Highmark Health, a national, blended health organization. Active in supporting community causes, he serves on the Boards of Directors for Blood Cancer United, The Advanced Leadership Initiative (TALI) and the Hillman Family Foundations.

In 2024, the National Association of Corporate Directors (NACD) Three Rivers Chapter honored Leroy with the Director of the Year Award for Leadership in Company Governance. In 2020, he received the Chuck Cooper Foundation Leadership Award for his commitment to promoting diversity and making a positive community impact. In 2019, DEKRA Organizational Safety and Reliability recognized him with its Safety in Action ICON Award.

Leroy received a bachelor’s degree in accounting from Florida International University and earned an MBA from Robert Morris University.