Dr. Hossein Fattahi has obtained his specialty in General Surgery in Mashhad University of Medical Sciences, Iran, in July 1985. Passionate about Thoracic surgery, he continued his Sub-Specialty in it from May 1996 to June 1998. Dr. Fattahi has attended a Thoracic Surgery specialty program in Massachusetts General Hospital, Harvard University, USA, for 6 months in 2006. To this day, Dr. Fattahi has been a member of Iranian Medical Council since 1979 and Academic Board Member of Ghaem Hospital as a Professor, since 1985, where he operates and visits patients in Thorax Surgery Ward and Thorax Walk-In Clinic.