On May 3rd 2021, Ana Maria Gutiérrez-Blanco defended her PhD Thesis entitled “Tetrametallic (gold, iridium and rhodium) complexes based on N-heterocyclic carbenes". From luminescent properties to supramolecular assemblies". The Thesis was defended on-line due to COVID restrictions. The work was supervised by Prof. Dr. Eduardo Peris and Dr. Macarena Poyatos (INAM, UJI), and got the qualification of Excellent Cum laude. The evaluation committee was formed by Prof. Ekkehardt Hahn (Münster University), Dr. Stephane Bellemin-Laponnaz (IPCMS-Strasbourg) and Dr. Zoraida Freixa (Universidad del País Vasco UPV-EHU).