Mark J. Costa

Chairman & Chief Executive Officer
Eastman Chemical Company

Mark J. Costa is Chief Executive Officer of Eastman Chemical Company and Chairman of the company’s Board of Directors. The fourth CEO in Eastman’s 20-year history as a public company, Mark has been instrumental in developing the strategies and strengthening the capabilities that have positioned Eastman for consistent, superior growth.

Mark joined Eastman in 2006 as a Senior Vice President of Strategy, Marketing and Business Development. In 2008, he was named Executive Vice president and assumed profit and loss responsibilities for Polymers businesses. In 2009, his role was expanded to lead all of the specialty products businesses. During this time, he also served as Chief Marketing Officer and headed the global integrated supply chain as well as Eastman’s global innovation and sustainability initiatives. In 2013, Mark was named President of Eastman Chemical Company and was appointed to the company’s Board of Directors. He assumed his current position in 2014.

Prior to joining Eastman, Mark was a senior partner with Monitor, one of the world’s leading strategy consulting firms. While there, Mark played a crucial role in developing Monitor’s techniques in corporate transformations and portfolio management and in designing client’s business and marketing capability building programs. It was through Monitor that Eastman came to know Mark, as the company engaged him and his team to develop strategies that would ultimately lead to the greatest period of growth in the company’s history.

Costa currently serves on the American Chemistry Council Board of Directors and the Executive Committee of the Society for Chemical Industries (SCI).

A native of Carmel, California, Mark received a bachelor's degree in economics and pre-medicine from the University of California at Berkeley. He received an M.B.A. from Harvard Business School. Mark is married and has two sons. He enjoys playing tennis, skiing, and mountain bike riding.