- Member of the board, general secretary, and chairman of Turkish Society of Colon and Rectal Surgery from 2003 to 2013.
- Took office as representative of Turkey at the European Society of Coloproctology (ESCP) from 2015 to 2018.
- Still a member of Regional Activities Study Group in the same society.
- Member of Board in International Society of University Colon and Rectal Surgeons (ISUCRS).
- Authored 60 articles published in PubMed.
- Clinical interests:
- Digestive system surgery (esophagus, stomach, small intestine, colon, rectum, anus, gallbladder),
- Oncologic surgery (cancer, sarcoma),
- Abdominal wall hernia surgery,
- Laparoscopic surgery.
- General Surgery ResidencyDepartment of General Surgery, Istanbul School of Medicine, Istanbul University 1983,
- Medical EducationCerrahpaşa School of Medicine, Istanbul University 1979.
Digestive Health Group Director & Head of General Surgery DepartmentDepartment of General Surgery, American Hospital 2018,
ProfessorDepartment of General Surgery, American Hospital 2010,
Faculty Member, ProfessorDepartment of General Surgery, School of Medicine, Koç University 2011,
ProfessorIstanbul School of Medicine, Istanbul University 2011,
Assoc. Prof.Istanbul School of Medicine, Istanbul University 1996,
Faculty MemberGastrointestinal Surgery Clinic, School of Medicine, Nancy University, France 1990,
Attending PhysicianSSK Istanbul Hospital 1987.