He graduated from Ege University Faculty of Medicine in 1991. In 1996, he became General Surgery Specialist. In 2007, he received the Turkish Surgery Association Qualification (Board) Certificate. In 2007, he received the title of “Associate Professor of General Surgery”. In 2013 he became Professor. He is an active member of International Society for Regional Cancer Treatment, Turkish Surgical Association, Turkish Colon and Rectal Surgery Association, Turkish Hepatopancreatobiliary Surgery Association, National Endoscopic Laparoscopic Surgery Association, Trauma and Emergency Surgery Association, Aegean Region Surgery Association, Izmir Breast Diseases Association, Turkish Surgical Association Competency Board, Society of Dialogue in Endocrinology. He has more than 40 articles published in international indexed journals, more than 50 articles published in national journals, gave more than 90 verbal and poster presentations in international and national congresses and symposiums, and wrote two book chapters. He has won 6 awards in national and international congresses. Areas of interest: Obesity surgery and metabolic surgery Laparoscopic reflux surgery Laparoscopic gallbladder surgery Stomach balloon application Laparoscopic gastric and intestinal cancer surgeries Hemorrhoid surgeries Abdominal and inguinal hernia surgeries Breast Cancer Surgery Thyroid cancer and goitre surgery. Prof. Dr. Hayrullah Derici is married and has two children. He speaks well German and English.