Tevfik Tolga Sahin was born in 1978 and recieved his preliminary education in United States of America, Iowa City Iowa in Roosvelt Primary School. After returning to Turkey, he grduated Hacettepe University Faculty of Medicine in 2001. He completed his residency in Gazi University Faculty of Medicine Department of Surgery. He completed his PhD in Nagoya University Graduate School of Medicine Department of Surgery II and he worked actively on oncolytic viral therapy for cancer. He became associate professor of surgery in 2012 and was appointed as full professor of surgery in 2019. He is attending surgeon in Inonu University Liver Transplant Institute and he is currently the senior scientist of Hepatology Reaserch Laboratories. His main areas of ineterest is pancreatic carcinogenesis, antitumor immunity in cancer and also use of mesenchymal stem cells for treatment of various gastrointestinal diseases including acute liver failure. He has written over 5 book chapters and has over 130 internationally peer reviewed studies.