Ms. Massman has served as an independent member of the Board since February 2024, and as a member of its Audit Committee since March 2024. Since January 2023, she has served as a Senior Advisor to Citation Capital, a private equity firm. From January 2013 until her retirement in April 2020, she served as President and CEO of Clearwater Paper Corporation, a pulp and paper product manufacturer. From August 2008 until January 2013, she served in various other roles at Clearwater, including CFO. From May 2002 to August 2008, she served as Group Vice President, Finance and Corporate Planning, for SuperValu Inc., a grocery retail company, and before that she was a business strategy consultant for Accenture, an international professional services company. Since 2021, Ms. Massman has served as a member of the Board of Directors, and Chair of the Audit Committee, of Caliber Collision, an automobile repair services provider, and as a member of the Board of Directors, and as Chair of the Compensation Committee and member of the Audit and Executive Committees, of Darigold Inc., a dairy agricultural marketing cooperative. She also has served as a member of the Board of Directors of TreeHouse Foods, Inc., a multinational food processing company, since 2016, currently serving as its Lead Independent Director and as a member of its Audit and Nominating and Corporate Governance Committees. She also served as a member of the Board of Directors, and as a member of the Compensation Committee, of Black Hills Corporation, a diversified energy company, from 2015 to 2018, and in 2017 she served as the Chair of the Board of the American Forest & Paper Association, the national trade association of the forest products industry. She received a Bachelor of Business Administration in Finance from the University of North Dakota and an MBA from Harvard Business School.