Franz Faupel is a professor at the University of Kiel, Germany, and a leading figure in the SFS (Sustainable and Functional Solutions) network. His research interests include functional thin films, nanocomposite materials, and sustainable materials development, with a strong focus on bridging fundamental materials science and circular economy concepts.

Emanuel Ionescu is a researcher at TU Wien, Austria, specializing in the design and development of materials for circularity. His work focuses on ceramics, composites, and sustainable material systems, with emphasis on resource-efficient processes and circular design strategies for advanced materials.