Board of Directors

Mr. Costa has been Chief Executive Officer since January 2014 and Board of Directors Chair since July 2014. Since joining Eastman in 2006, he has held a number of executive positions. He has been instrumental in developing Eastman’s growth strategies, and has led Eastman’s manufacturing and global supply chain. Mr. Costa has served as Executive Vice President of the Polymers Group, Executive Vice President, Specialty Polymers, Coatings, and Adhesives, and Executive Vice President, Additives & Functional Products and Advanced Materials. In addition, he served as Chief Marketing Officer and had responsibility for the Company’s corporate innovation organization. He was appointed President in May 2013 and served in that position until he became Chief Executive Officer. Before joining Eastman, Mr. Costa was a senior partner with Monitor Group, a global management consulting firm. He played a crucial role in developing Monitor’s techniques in corporate transformations and portfolio management and designing client business and marketing capability building programs.

Mr. Alfonso became the Executive Vice President and Chief Financial Officer of ISG Corp., a leading global technology research and advisory firm, in June 2021. He is responsible for all areas of Finance, Investor Relations, M&A and Legal Affairs. Previously, Mr. Afonso was the Chief Executive Officer, Global, of Yowie Group Ltd. where he served as CEO from June 2016, and a director from March 2017, until January 2018 of Yowie, a global brand licensing company specializing in the development of Yowie character children's consumer products. Mr. Alfonso was President, International, of The Hershey Company, the largest producer of quality chocolate in North America and a global leader in chocolate and sugar confectionery, from April 2013 until his retirement in June 2015. He was Executive Vice President, Chief Financial Officer, and Chief Administrative Officer from November 2011 to April 2013, and Senior Vice President and Chief Financial Officer from July 2007 to November 2011. He joined Hershey in July 2006, initially serving as Vice President, Finance and Planning, U.S. Commercial Group from July 2006 to October 2006, and then serving as Vice President, Finance and Planning, North American Commercial Group from October 2006 to July 2007. Before joining Hershey, Mr. Alfonso held a variety of finance positions at Cadbury Schweppes, a producer of soft drinks and premium beverages, most recently serving as Executive Vice President Finance and Chief Financial Officer of Cadbury Schweppes Americas Beverages from March 2005 to July 2006 and Vice President Finance, Global Supply Chain from May 2003 to March 2005. Prior to that, Mr. Alfonso held a number of senior financial positions at Pfizer, Inc.

Mr. Begemann was the Chief Operating Officer for the Crop Science Division of Bayer AG from June 2018 until his retirement in June 2021. Previously, Mr. Begemann served as President and Chief Operating Officer of Monsanto, with responsibility for worldwide sales and operations, corporate affairs, and global business organization since October 2013. He joined Monsanto in 1983, initially serving in the company’s sales and marketing organization and later in various senior management and executive positions with increasing responsibility, including Executive Vice President, Global Commercial from October 2007 to October 2009, Executive Vice President and Chief Commercial Officer until August 2012, and President and Chief Commercial Officer from August 2012 to October 2013.

Mr. Butler is the former Executive Vice President and Chief Administrative Officer of Union Pacific Corporation. During his 32-year career with Union Pacific, Mr. Butler led a wide variety of company functions and initiatives, including marketing and sales, purchasing and supply chain, financial planning and analysis, strategic planning, human resources, industrial engineering and transportation research. He retired as Chief Administrative Officer in 2018. Mr. Butler has served as the Chairman of the Board of the Federal Reserve Bank of Kansas City – Omaha Branch and is a member of the board of directors of NiSource, Inc. Mr. Butler received both a Bachelor of Science degree in Mechanical Engineering and a Master of Science degree in Industrial Administration from Carnegie Mellon University.

Mr. Doheny became the President and Chief Executive Officer of Sealed Air Corporation, a global leader in essential packaging solutions, in January 2018. Mr. Doheny joined Sealed Air as the Chief Operating Officer and CEO Designate and a member of the Board of Directors in September 2017. Previously, Mr. Doheny served as President and Chief Executive Officer and a director of Joy Global Inc., a manufacturer and servicer of industrial mining equipment, from December 2013 through May 2017 and as Executive Vice President and as President and Chief Operating Officer of Joy Global’s Underground Mining Machinery business from 2006 to 2013. Prior to joining Joy Global, Mr. Doheny had a 21-year career with Ingersoll-Rand plc where he held a series of executive and senior management positions of increasing responsibility, including President of Industrial Technologies and President of the Air Solutions Group. Mr. Doheny was also a member of the Board of Directors of John Bean Technologies Corporation during the last five years.

Ms. Haynesworth retired in 2019 as the Sector Vice President and General Manager of the Cyber and Intelligence Mission Solutions Division for Northrop Grumman Corporation’s (NGC’s) Mission Systems Sector after assuming this role in 2016. In this position, Ms. Haynesworth had executive responsibility for the overall growth and program activities for the division’s business portfolio, including full spectrum cyber, multi-enterprise data management and integration, as well as mission enabling intelligence, surveillance and reconnaissance (ISR) solutions supporting domestic and international customers. She previously served as Sector Vice President and General Manager of the ISR Division within the former Information Systems sector of NGC, and also led NGC’s Federal and Defense Technologies Division. Additionally, Ms. Haynesworth serves as a Member of the Defense Business Board of the United States Department of Defense and is a member of the Board of Directors of Automatic Data Processing, Inc., Micron Technology, Inc., and Truist Financial Corporation.

Ms. Holder has been the Chief Executive Officer of JFH Insights LLC, a consulting firm primarily dedicated to leadership coaching for high potential women executives, since founding the company in 2009. She developed and teaches executive education courses for the Eli Broad College of Management at Michigan State University designed to help women be more successful in their careers and help senior leadership build a more inclusive corporate culture. Previously, Ms. Holder served as Senior Vice President, Chief Marketing, Sales and Reputation Officer, U.S. Area Executive Oversight of The Dow Chemical Company, a diversified, worldwide manufacturer and supplier of products used primarily as raw materials in the manufacture of customer products and services, from 2007 until her retirement in 2009, and before that was Vice President, Human Resources, Public Affairs and Diversity and Inclusion of Dow from 2006. Prior to that, Ms. Holder served in various positions with increasing seniority at Dow from 1975 to 2006.

Ms. Hornbaker has been Chief Executive Officer of Storey & Gates LLC, a consulting firm providing business advisory services including executive coaching and board governance training for boards, since founding the company in 2018. She served as Executive Vice President and Chief Financial Officer of Stream Energy, a retail energy, wireless, and protective services provider operating in Texas, Georgia, Pennsylvania, Maryland, New Jersey, New York, Illinois, Delaware, Ohio and Washington, D.C., from 2011 to December 2017, and was a member of the Board of Directors from 2011 until it was acquired by NRG Energy in 2019. Ms. Hornbaker served as Chief Financial Officer of Shared Technologies, Inc., a provider of converged voice and data networking solutions, from 2006 to May 2011, and was Consultant to the Chief Executive Officer of CompuCom Systems, Inc., an information technology services provider, from 2005 to 2006. She was Vice President and Chief Financial Officer of Flowserve Corporation, a global provider of industrial flow management products and services, from 1997 until 2004, and served as Vice President of Business Development and Chief Information Officer from 1997 to 1998. In 1977, Ms. Hornbaker joined the accounting firm Deloitte, Haskins & Sells, where she became a senior manager of its audit practice in the firm’s Chicago office. Following that, she served in senior financial positions with several major companies from 1986 until 1996, including five years at Phelps Dodge Corporation where she had financial responsibilities for its international businesses including Columbian Chemicals Corporation. Ms. Hornbaker is also a member of the Boards of Directors of Berry Corporation, an independent upstream energy company, Tri Global Energy, LLC, a private clean energy development company, The Freeman Company, a family and employee-owned company which produces expositions, conventions, trade shows, and other corporate events and exhibits, and CLEAResult, a designer of technology-enabled energy efficiency and demand response programs for utility companies in North America.

Dr. Mink was President and Chief Executive Officer of Innophos Holdings, Inc., a leading international producer of performance-critical and nutritional functional ingredients, with applications in food, health, nutrition and industrial specialties markets, from December 2015, a director of Innophos from January 2016, and Chairman of the Board from February 2017, until completion of One Rock Capital Partners’s acquisition of Innophos in February 2020. Dr. Mink previously served as Business President of Elastomers, Electrical and Telecommunications at The Dow Chemical Company from September 2012 to December 2015. Dr. Mink joined Dow in April 2009 as Global General Manager, Performance Materials and President and Chief Executive Officer of ANGUS Chemical Co. (then a subsidiary of Dow). Prior to joining Dow, she had previously served for more than 20 years at the Rohm and Haas Company (which was acquired by Dow) where she held roles of increasing responsibility, including corporate vice president and general manager for the Ion Exchange Resins business. Dr. Mink is also a member of the Board of Directors of Avient Corporation and Air Liquide.

Mr. O’Brien served as Chairman of the Board and Chief Executive Officer of Ashland Inc., a leading global specialty chemical company, from 2002 until his retirement in December 2014, and previously served as President and Chief Operating Officer and Senior Vice President and Group Operating Officer from 2001 to 2002. He joined Ashland (then known as Ashland Chemical Company) in 1976, and after serving in various positions, became President of the Valvoline business in 1995. Mr. O’Brien is also a member of the Boards of Directors of Albemarle Corporation and Humana Inc., and was during the last five years a member of the Board of Directors of WESCO International, Inc.

Mr. Raisbeck was Vice Chairman of Cargill, Incorporated, an agricultural trading and processing company, from 1999 until his retirement in 2008, and was a director of Cargill until September 2009. He joined Cargill in 1971 and held a variety of merchandising and management positions focused primarily in the commodity and financial trading businesses. Mr. Raisbeck was appointed President of Cargill's Financial Markets Division in 1988 and President of Cargill's Trading Sector in 1993, was elected a director of Cargill in 1994 and Executive Vice President in 1995. Mr. Raisbeck was a director of CarVal, a distressed asset management company owned by Cargill, and of Black River Asset Management, a hedge fund owned by Cargill, until 2009.

Mr. Stevens was Executive Vice President and Chief Financial Officer of General Motors Company, a corporation that designs, manufactures, markets and distributes vehicles and vehicle parts, and sells financial services, from 2014 until his retirement in 2018. He joined the Buick-Oldsmobile-Cadillac Group in 1978 and served in various positions of increasing responsibility in the financial and operating organizations, including Chief Financial Officer, General Manager ASEAN Operations and Vice President Finance, Thailand from 2002 to 2005, Vice President Finance, Chief Financial Officer, Canada from 2006 to 2007, Executive Director, Finance, Chief Financial Officer, Mexico from 2008 to 2009, Chief Financial Officer, North America and Interim Chief Financial Officer and General Manager, South America from 2010 to 2013. Mr. Stevens is also a member of the Board of Directors of Flex Ltd., and Masco Corporation.