Mario Troisi has done his Masters degree in Medicine and Surgery at University of Salerno Italy with 110 110 cum laude. He has done Internship in Ophthalmology at Salerno University Hospital. Residency in Ophthalmology at University of Naples Federico II Naples Italy. He has done II level Masters degree in Aesthaetic Medicine at University of Naples Federico II Naple Italy. He has done Exchange program at Ivane Javakhishvili State University Medical department Tbilisi Georgia in 2018 2019. He is author and co author of research articles on international peer reviewed journals. He is the speaker at more than 25 national and international conference mainly in ophthalmologic field. He has experiences as Medical practitioner at Salerno University Hospital in emergency and COVID 19 emergency departments. Private practice in long term internal and mental health care. Physician responsible for local Covid 19 vaccination campaign in Salerno Italy. Currently he is working at Eye Unit of University of Naples Federico II.