Mark J. Costa
Board Chair and Chief Executive Officer, Eastman Chemical Company

Mark Costa is Board Chair and Chief Executive Officer of Eastman, a global specialty materials company that leverages its world-class technology platforms, deep customer engagement, and differentiated application development to deliver innovative, sustainable solutions to customers in attractive end-markets such as transportation, building and construction, and consumables.

Throughout his career at Eastman, Mark has been instrumental in developing the strategies and strengthening the capabilities that have led to the company’s greatest period of growth. Under his leadership, the company has undergone a significant transformation to becoming a leading material innovation company that seeks to improve the quality of life in a material way. As a champion of sustainable solutions, Mark has overseen the launch of Eastman’s molecular recycling technologies aimed at helping to solve the global plastic waste crisis and meaningfully address climate change.

Mark’s passion for a more inclusive and diverse workforce has led to a stronger company culture that strives to create an environment where all employees can bring their true selves to work without fear of bias or discrimination so they can contribute to their fullest potential.

Mark first came to know Eastman during his time as a senior partner with Monitor Deloitte (formerly Monitor Group), a leader in strategy consulting. In 2006, Mark joined Eastman’s executive team as Chief Marketing Officer and leader of corporate strategy and business development. He was named Executive Vice President and assumed profit and loss responsibilities for Specialty Plastics and Performance Polymers businesses in addition to his prior responsibilities in 2008. The following year, his role was expanded to lead the Additives & Functional Products business. 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 2014, Mark became Board Chair and Chief Executive Officer of Eastman.

Mark serves on the Executive Committee for the American Chemistry Council. He is also an active member of the Society for Chemical Industries (SCI), The Business Roundtable, and The Business Council.

A native of Carmel, California, Mark received a bachelor's degree in economics from the University of California at Berkeley, and an M.B.A. from Harvard Business School. Mark is married and has two sons. In his spare time, he enjoys playing tennis, skiing, and mountain biking.

Mark J. Costa 
Mark J. Costa
© 2022 Eastman Chemical Company or its subsidiaries. All rights reserved.
As used herein, ® denotes registered trademark status in the U.S. only.