Ryohei Yamaguchi is an Emeritus Professor of Chemistry at Kyoto University, Japan. Previously, he worked as a postdoctoral fellow at University of Minnesota. His research includes the development of selective and catalytic organic reactions by means of metal reagents/complexes directed towards green organic synthesis. Ken-ichi Fujita is an Associate Professor of Chemistry at Kyoto University, Japan. Previously, he worked as a postdoctoral fellow at Yale University, USA and received the Incentive Award in Synthetic Organic Chemistry, Japan in 2006. His research focuses on the development of new catalytic systems for green organic synthesis.