Caterina Mariotti graduated at the Medical School of Milan University (Italy, 1987) and specialized in Neurology and in Medical Genetics. After a two-year training in molecular and cell biology at the Neuromuscular Center of the University of Southern California (USA), she started working as a Neurologist at the Neurological Institute Carlo Besta (Milan, Italy, in the Unit of Genetics of Neurodegenerative and Metabolic Diseases (1992).
In 2004 Dr. Caterina Mariotti became actively involved in the European Huntington Disease Network (EHDN) Registry; since 2014, she is the PI for an Italian site of ENROLL-HD with more than 100 HD patients and premanifest subjects enrolled so far. In 2016 elected member of the SBAC-EHDN. Clinical tutor for resident students in Medical Genetics, Faculty of Medicine, University of Milan and teaching qualification in Medical Genetic and Neurology(Italian Ministry of Education and University, 2014).