This book gives a good understanding of the progress being made in controlled radical polymerization process. The basic principle of controlled/living radical polymerization is fundamental to the creation of new radical polymerization techniques including atom transfer radical, and reversible addition-fragmentation transfer polymerization. These discoveries bring new life to the field of free radical polymerization; indeed, an abundance of polymer materials with different topologies have been prepared. I hope that this Special Topic on “Functional Controlled/Living Radical Polymers: Synthesis, Kinetics and Physico-chemical Properties” will cultivate new ideas and catalyze discoveries in every reader’s laboratory. This book is aimed to provide information related to the newest controlled radical polymerization methodology, ATRP and RAFT, their required components and their advantages and necessities. I demonstrates that how simple molecule selectively arrange as different topology like linear, star, multi arm polymers containing functional groups for various applications.