Krzysztof Matyjaszewski is J.C. Warner Professor of Natural Sciences at Carnegie Mellon University in Pittsburgh, USA. His research focus is on macromolecular engineering, especially on the synthesis of well-defined copolymers using atom transfer radical polymerization and other controlled/living polymerization techniques. He is a member of the US National Academy of Engineering and the Polish Academy of Sciences and is the editor of the journals Progress in Polymer Science and Central European Journal of Chemistry. Professor Matyjaszewski authored 13 books, over 60 book chapters, more than 600 peer-reviewed publications and holds 38 US patents. He received several awards from the American Chemical Society, including the 2009 Presidential Award in Green Chemistry.