Arthur Portnoy is a medical consultant at the Biotherapy International Clinic, and the personal assistant to Prof. Shimon Slavin. He is in charge of all the tasks related to organizing consultations, implementing treatment, and liaising with patients after the completion of therapy. He has been working with Biotherapy International in Israel since 2014. He organizes the treatment of patients at our satellite clinics in Germany and China, as well as in our partner clinics in the USA, Turkey, and Kazakhstan.