Koji Hashimoto was born in 1935 and received his Ph.D. from Tohoku University in 1966. He is currently a professor emeritus at Tohoku University and the Tohoku Institute of Technology. He has published more than 550 papers in scientific journals in addition to review articles and book chapters. He is an Electrochemical Society Fellow and an NACE International Fellow, and has won many awards, such as the Olin Palladium Award from the Electrochemical Society.