Dr. Callegari receives her veterinary degree in 2005 from the University of Milan and enables the profession in the same year. From 2005 to 2010 she works as internal medicine, emergency and critical care assistant for different private veterinary clinics. From December 2010 she carries out his professional activities at the Istituto Veterinario di Novara as internist. She holds the title of European Specialist in Internal Medicine (Dipl ECVIM - CA (Internal Medicine)) in 2016. Lecturer in national and international courses, she also joins one of the major continuous education societies in Italy (UNISVET), as head of the internal medicine service. She is also author, co-author and reviewer of scientific papers for national and international journals.