- Istanbul University Cerrahpasa Faculty of Medicine 1988-1994
- S.B. Istanbul Training and Research Hospital 1994-1999
- S.B. Istanbul Training and Research Hospital 2006
- Bezmialem Foundation University 2011-2018
- Yeditepe University 2019-continue
- Head of Department of General Surgery, Bezmialem F. University 2015-2018
- Bezmialem F. University, Institute of Health Sciences, Head of Department of Endocrinology 2017-2018
- Bezmialem F. University, Founding Chairman of Parathyroid Transplant Center 2013-2018
- Bezmialem F. University, Institute of Life Sciences and Biotechnology, Founding Chairman of Endocrinology Research Laboratory 2015-2018
- Bezmialem F.University, Founding Chairman of Research Center 2011-2015
- Bezmialem F. University, BAP Council Coordinator 2011-2018
- Bezmialem F. University, Coordinator of the Council to Support Academic Publications 2011-2018
- Yeditepe University, Kosuyoşu Hospital, General Surgery 2018-on going
- Professor: General Surgery, Endocrine Surgery, Bezmialem Vakif University, Faculity of Medicine 2011
- Associate Professor: General Surgery, Istanbul Training Hospital, 2006
- Fellowship: General Surgery, Boston University, USA, 1996
- Mete Demir, MD “Complications of milking procedure” Specialization in Medicine Thesis (General Surgery): 2003
- Hamdi Tutuncu, MD “The effect of local sclerosant substance application on parenchyma hemorrhage in rats with liver resection model applied” Specialization in Medicine Thesis (General Surgery): 2003
- Kemal Kilic, MD “The effectiveness of aluminum sulfate on liver parenchyma hemorrhage” Specialization in Medicine Thesis (General Surgery): 2004
- Mert Mahsuni Sevinc, MD”The value of urinary tripsinogen-2 qualitative measurement in acute pancreatitis diagnosis”Specialization in Medicine Thesis (General Surgery): 2006
- Fatih Basak, MD “The effectiveness of the viscosities of the liquids placed in the peritoneal cavity in the experimental adhesion model in the prevention of peritoneal adhesions”Specialization in Medicine Thesis (General Surgery): 2007
- Oguzhan Dincel, MD”Effect of covering colon anastomosis with polypropylene mesh on anastomosis safety”Specialization in Medicine Thesis (General Surgery): 2007
- Erdem Sentatar, MD”Effectiveness of aleo vera gel in the prevention of postoperative peritoneal adhesions”Specialization in Medicine Thesis (General Surgery): 2008
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