Marcella Mori graduated as a molecular biologist at the University of Turin in Italy. She obtained a Ph.D. in Medical Sciences in 2005 at the Lab of Neuroendocrine Immune Interactions of the Free University of Brussels (VUB), with a study on radioimmunology. She then moved to Paris at the Institut Gustave Roussy, where she worked as a postdoctoral fellow on embryonic erythropoiesis and megakaryopoiesis. In 2008 she obtained the Master in Tropical Medicine and Public Health and started soon after at the Tropical Medicine Institute in Antwerp where she shifted topic to microbiology, implementing genotypic characterization of Klebsiella pneumonia strains isolated from wildlife and livestock animals in South Africa. Marcella was enrolled as a scientist in Sciensano (ex-CODA-CERVA) in 2011 at the unit Bacterial zoonosis of Livestock to work on leptospirosis, Q fever, brucellosis and other zoonotic diseases. Since 2018, she is the Head of Bacterial zoonoses of animal unit that harbors various National Reference Laboratory (for the veterinary aspects) and National Reference Centre (for the human aspects) of various zoonotic diseases, including Q fever.