Dr. Pettirossi received his medical degree in 2021 from the University of Perugia, with a grade of 110/110 cum laude. He later attended the School of Specialization in Otolaryngology at San Raffaele Hospital in Milan, where he obtained the title of specialist in 2025 with a grade of 70/70 cum laude.
His clinical work is mainly oriented toward head and neck oncology, an area in which he also focuses his research activities. He also takes a comprehensive and up-to-date approach to major otolaryngological diseases, particularly of the nose, oral cavity, larynx, salivary glands and thyroid.