Dr. Riccardo Lenzi, MD, PhD, is the Director of USL Toscana Nord Ovest. He received his Doctor of Philosophy from the University Hospital of Pisa. His research interests include Otolaryngology, Rhinology, Head and Neck Surgery, Endocrinology, Maxillofacial Surgery, Endoscopy, Otology, Neuroanatomy, Audiology, Oral Surgery, Otorhinolaryngology, and Neuroscience.