| name | institute | WG | metals | techniques | resources | expt/comp |
| Mariusz Radoń | Jagiellonian Univ. Kraków | WG 2 | Fe, Mn, Co, Cu, Ru, Mo | Multiconfigurational methods (CASSCF, CASPT2, RASPT2, NEVPT2), DFT, CC methods | Local computer cluster and access to supercomputing centers (CYFRONET, WCSS) | Comp. |
| Kallol Ray | Humboldt-University Berlin | WG 4 | Fe, Co, Ni, Cu | Synthesis, Kinetics, High-Valent Metal-Oxo, Metal-Nitrenes, Dioxygen activation, water oxidation | UV-Vis fitted with cryostat (-100 to +100 °C), X-ray absorption spectroscopy | Exp. |
| Vincent Robert | Univ. Strasbourg | WG 3 | Fe, Ni, Co | CASSCF + PT2, DDCI, localization approaches, model Hamiltonians | MOLCAS, CIPSI | Comp. |
| Daniel Ruiz-Molina | Institut Català de Nanociència I Nanotecnologia | WG 3, WG 4 | Co, Fe, Ni, Mn, Zn | Nanostructuration, Spin transition, Redox-active ligands | Chemical lab and scale-up capabilities, Spectroscopies, Optical and electron microscopy, TEM, X-ray, TG-DSC, SQUID, XPS | Exp. |
| Ulf Ryde | Univ. of Lund | WG 2, WG 4 | Fe, Co, Ni, Cu, Zn, Mn, Mo, W, Ca, Mg | DFT, QM/MM, Quantum refinement, QM/MM+EXAFS, Free-energy perturbations | Computers | Comp. |