Sandra Beach Lin is a member of the board of directors of American Electric Power, Avient Corp., Trinseo PLC, and Ripple Therapeutics. She also served on the boards of Wesco International and Interface Biologics LLC. Beach Lin is the retired president and CEO of Calisolar Inc. She previously served as corporate executive vice president of Celanese Corp., where she led a group of global specialty materials businesses. Prior to Celanese, she held senior executive positions at Avery Dennison Corp., Alcoa, and Honeywell International. Beach Lin graduated from the University of Toledo with a bachelor's of business degree and received her master's of business degree from the Ross School at the University of Michigan. In 2013 she was named to the NACD Directorship 100®. Beach Lin is an NACD Board Leadership Fellow.