Polymers are ubiquitous elements in our society and modern chemistry industry. From the early discovery of synthetic polymers and the control of macroproperties of natural occurring polymers, nearly a century ago, today’s challenges of polymer chemistry are spread over a wide variety of fields in science, from medicine, electric and optical applications, biomass use, high-end and responsive materials. These also depend on further challenges in new developments of polymer synthesis. Hence, the main goal of this symposium is to shed light on most important current issues in macromolecular science, like polymer synthesis, composites, functional polymers, hydrogels and biomaterials.