W. Don Cornwell joined the Viatris board of directors after 23 years of service on the Pfizer board, where he most recently chaired the Regulatory and Compliance Committee and was a member of the Governance & Sustainability Committee. He served as chairman and chief executive officer of Granite Broadcasting Corporation from 1988 until his retirement in August 2009 and served as vice chairman until December 2009. He is a director of American International Group Inc., Natura & Co. Holding Inc., and Blue Meridian Partners. He was a director of Avon Products, Inc. before its acquisition by Natura & Co and was a board member for CVS Caremark for more than 10 years, including two years as chair of the Compensation Committee. Cornwell is a trustee of Big Brothers Big Sisters of New York City.