Andrzej Pawlak is an associate professor at the Center of Molecular and Macromolecular Studies, Polish Academy of Sciences, in Lodz. He received a Ph.D. degree in chemistry from the Technical University of Lodz in 1995 and a D.Sc. degree in material sciences from the Polish Academy of Sciences in 2014. He had a postdoctoral fellowship at Case Western Reserve University, Cleveland, USA, and has been a visiting researcher in Italy, France, Russia, the Czech Republic, and others. From 2011 to 2014, he was an associate editor of the e-Polymers journal. He has extensive specialist knowledge in the areas of the mechanical properties of polymers, crystallization, polymer blends, polymer composites and nanocomposites, and biodegradable polymers. Recently, he has been particularly interested in polymers with limited macromolecule entanglements.