Yi Hyon Paik served as president and chief strategy officer of Samsung SDI Company, a publicly listed South Korean producer of lithium-ion batteries and electric materials, from 2014 to 2016. Prior to that, he was the executive vice president and head of the Electronic Materials Business at Samsung Cheil Industries from 2010 to 2013. From 2009 to 2010, Dr. Paik worked at the Dow Chemical Company as its business group vice president and head of Electronic Materials Business. Before Dow Chemical Company, he served at Rohm and Haas as business group vice president and president of the Electronic Materials Business. Dr. Paik has served on the board of directors of Orion S.A. since 2020, on the advisory board of directors of RecycLiCo Battery Materials Inc. since 2023 and on the board of directors of Asia-IO Partners International Pte. Ltd. since 2023. Dr. Paik previously served on the board of directors for Versum Materials, Inc. from 2016 until its acquisition by Merck in 2019. Dr. Paik was appointed to our board in November 2025. Dr. Paik earned a B.A. and Master in Chemistry from Seoul National University, a Ph.D. in Chemistry at the University of Pittsburgh and a Postdoctoral Fellow at Columbia University.