The 2025 MacroGroup Annual Symposia and Medal Lectures will be hosted at the Manchester Institute of Biotechnology. Here, the UK polymer and macromolecular community will gather for two jam-packed days of talks, posters, and discussions. We have a line-up of leading UK researchers, Prof. dr. ir. Stefan Bon from the University of Warwick will give a short talk on small organic eutectic materials that can act like plastics.