Oliver Gutfleisch is a full Professor for Functional Materials at TU Darmstadt, a scientific consultant at Fraunhofer IWKS Hanau Materials Recycling and Resource Strategies and is running the external Max-Planck Research Group De Magnete at MPI for Iron Research Düsseldorf, also a co-founder of two companies in magnetic materials. His scientific interests include permanent magnets for power applications, solid state energy efficient caloric cooling at room temperature and for hydrogen liquefaction, ferromagnetic shape memory alloys, additive manufacturing, functional high entropy alloys, magnetic nanoparticles for biomedicine, with emphasis on tailoring structural and chemical properties on the nanoscale. He has published more than 490 papers, has given more than 260 invited talks, was awarded an EU ERC Advanced Grant (Cool Innov) in 2017, received, the Prize of the German Materials Society (DGM Prize 2018), is an IEEE Fellow (2020), Chair of DGM Expert Committee Functional Materials, and is the speaker of the DFG Cooperate Research Center 270 Hysteresis Design of Magnetic Materials for Efficient Energy Conversion. He coordinates the EIC Pathfinder Open CoCoMag project and serves as an Associate Editor for Acta Materialia and Scripta Materialia.