Professor Levent Akgun Kazak is a senior general surgeon at Büyük Anadolu Hospital with a career-long focus on complex gastrointestinal pathology.

• Specialises in surgical management of stomach and small intestine diseases
• Expertise includes liver, gallbladder, and colorectal surgery
• Manages abdominal wall hernias and inguinal hernia repairs
• Focuses on precise surgical techniques for anorectal and thyroid conditions
• Practices at a large-scale hospital group catering to international patients

Dr Volkan Kinas is a specialist surgeon at Büyük Anadolu Hospitals who focuses on complex oncology and abdominal procedures.

• Specialises in oncological surgery for bowel and gastric cancers
• Performs metabolic and bariatric surgery for complex abdominal cases
• Expertise includes pancreatic and bile duct surgical interventions
• Focuses on precise resection techniques for gastrointestinal tumours

Professor Erol Kilic leads the surgical team at Büyük Anadolu Hospitals, specialising in complex oncological procedures and gastrointestinal tract surgery.

• Focuses on oncological surgery for tumours affecting the digestive system
• Performs specialised colon and rectum surgery for bowel disorders
• Expertise in managing complex stomach and gallbladder diseases
• Treats endocrine disorders including thyroid and parathyroid conditions
• Specialised in surgical interventions for type 2 diabetes and obesity

Associate Professor Mehmet Akif Aydin is a senior surgical specialist at Medical Park Bahcelievler Hospital. He holds key leadership roles within the Turkish Society of Colon and Rectal Surgery.

• Trained at the prestigious Istanbul University Cerrahpasa Faculty of Medicine
• Specialises in complex bariatric, metabolic, and endocrine surgical procedures
• Active member of the Turkish Surgical Society with a focus on gastrointestinal outcomes
• Fellowship-trained at Goztepe Training and Research Hospital, a major centre for surgical residency
• Focused on colorectal and intestinal health management

Dr Kadir Dicle is a specialist general surgeon at Büyük Anadolu Hospitals with extensive training in high-stakes gastrointestinal procedures.

• Specialises in oncological surgery for complex abdominal and bowel conditions
• Focuses on metabolic and obesity surgery involving intricate intestinal adjustments
• Manages abdominal wall hernias and diseases of the stomach and gallbladder
• Experienced in treating both anorectal diseases and breast cancer cases

Experience

2017
Private Nisa Hospital

2011 - 2017
Yenibosna Private Ilke Hospital

2007 - 2011
Gaziosmanpaşa Private Bilge Hospital

Education

2005
Bakırköy Dr. Sadi Konuk Training and Research Hospital, Ear, Nose, and Throat Diseases

2005
Bakırköy Dr. Sadi Konuk Training and Research Hospital, Ear, Nose, and Throat Diseases

2000
İstanbul University Faculty of Medicine, Medical Education

2000
İstanbul University Faculty of Medicine, Medical Education

Professor Murat Kilic is a dedicated paediatric surgeon at Medipol University Pendik Hospital who focuses on abdominal and gastrointestinal procedures for children.

• Specialises in neonatal and paediatric small intestine surgery
• Expert in treating childhood appendicitis and inflammatory bowel conditions
• Conducted significant research into advanced treatments for paediatric urinary and gastric health
• Formerly served at major Turkish medical schools including Recep Tayyip Erdogan University
• Active member of the academic community with several peer-reviewed surgical publications

Gastroenterology

Pendik Medipol University Hospital

Education

1999 Karadeniz Technical University, Gastroenterology

1997 Atatürk University, Internal Diseases Professorship

1992 Atatürk University, Internal Diseases Associated Professorship

1985 Atatürk University, Internal Diseases Specialist

1981 Atatürk University Faculty of Medicine

Publications

1- Nihat Okçu Gülçin Polat, Arif Yılmaz, Mehmet Koruk, The demographic features of gastric cancers in Erzurum(Eurasian J Med 2000; 32: 63-65)

2- An Evaluation of Upper Gastrointestinal Bleeding Cases. Clinical Sciences-Doctor.2000, - E.akarsu,N.Okçu,et Ark.Northeast Anatolia 6:4:435-438

3-N.Okçu, A.yılmaz. İ.kiki,MDonuk, C.gündoğdu, H.uzunismail. Our Diagnostic Upper Gastrointestinal Endoscopy Results. Atatürk University Medical Journal 1997,29 (2):486

4-N. Okçu, M.gündoğdu, MD onuk, İ.kiki, l.cerrahoğlu, k.yılmaz, I. çapoğlu. The Role of Misoprostol in Preventing Gastroduodenal Lesions in Patients Using Nonsteroidal Anti-Inflammatory Drugs (NSAIDs). Atatürk University Medical Journal 1997,29 (2):453-455.

5-N.Okçu, A. Öz, MD Onuk, E.Akarsu, B. Tekin, Hz Tonbul, H.Kaya. Plasma Fibronectin Levels in Chronic Active Hepatitis and Decoction of Liver Parenchymal Insufficiency and Their Relationship with Liver Functional Status. Turkish J. Gastroenterol 1995;27(4): 422-426.

6-N.Okçu, Tahir Buran, MD Onuk, A. Yılmaz, E.Akarsu, G. Akçay. Prevalence of Helicobacter Pylori in Patients with Duodenal Ulcer in Erzurum and Surrounding Area. Turkish J. Gastroenterol 1995;27(4): 447-450.

7-N.Okçu, bs awake, e. akarsu, e. bakan, z. tonbul. Importance of Carbohydrate Antigens (CA-19-9, CA-125), Carcinoembryonic Antigen (CEA) and Alkaline Phosphatase in Gastric and Colorectal Cancers. Turkish J. Gastroenterol 1995;6:467-471.

8-N. Okçu, MD Onuk, E. Akarsu, H. Doğan, C. Gündoğdu. Major Risk Factors in Patients with Hepatocellular Carcinoma in Our Region. Gastroenterology 1994;5(2):154-157

9-N.Okçu, md. Onuk, e. akarsu, h. doğan, c.gündoğdu, tahir buran. Frequency of gastric carcinoma in Erzurum region, endoscopic and histological features. Gastroenterology 1994;5(2):263-267.

10-N. Okçu, MD Onuk, Tahir Buran, E. Akarsu, MA Çiftçioğlu. Frequency of Helicobacter Pylori in Nonspecific Gastritis Cases in Erzurum Province. Gastroenterology 1994;5(2):211-213.

11-N.Okçu, MD Onuk, Ö. Ünal, E. Akarsu, L. İncesu, K. Akgöz. Diagnostic Value of Ultrasound-Guided Fine Needle Aspiration Biopsy in Intra-Abdominal Mass Lesions. Gastroenterology 1993;4(1):166-68.

12-NOkçu, md. onuk, m. polat, a. yılmaz, m. gündoğdu, m. paç. Budd-Chiari Syndrome (2 Cases). Turkish J Gastroenterhepatol 1993; 4(1):77-80.

13-N.Okçu, H. Koçak, MD Onuk, M. Gündoğdu, E. Bakan, A. Yılmaz, A. Başoğlu, A. Ateş, F.A. Paç. The Effect of Atrial Pressure Changes and Cardiac Nerves on Plasma Atrial Natriuretic Peptide (ANP) Levels. Vascular Surgery 1993; 27(2): 128-132

15-N.Okçu, MD Onuk, A.Yılmaz, M. Gündoğdu, T. Buran. Effects of Omeprozole and Ranitidine on Peptic Ulcer Healing. Doğa-Tr.J. of Medical Sciences 1992;16:657-658.

16-N. Okçu, Mr. Yiğitoğlu, B. Adam, E. Bakan. The Effect of Digixin on Plasma Atrial Natriuretic Peptic Level in Patients with Congestive Heart Failure. S.Ü. Medical Faculty Journal 1991;7(2):243-247..

17-N.Okçu, A. Yılmaz. The Effect of Histamine H2 -Receptor Antagonists in Upper Gastrointestinal System Bleeding. Endoscopy Journal 1991;2(4):17-23.

18-N.Okçu, E. Bakan, B. Adam, A. Yılmaz, Mr. Yiğitoğlu. Sex Hormones and Sex Hormone Binding Globulin Levels in Patients with Chronic Hepatitis and Liver Cirrhosis (Letter to the Editor). Nature-Tr. J. Of Medical Sciences 1991;15:1-2.

19-N.Okcu Ömer Yılmaz.Helıcobacter pylori and related gastrointestinal system diseases. Turkish Clinics JMed Sci. 2013;33(3):806-13

20-Nihat Okçu, Ömer Yılmaz, Hakan Dursun, Gülçin Polat. The relationship between dyspeptic symptoms, nutritional habits, endoscopic and histological findings (Eurasian J Med 2006; 38: 13-17)

21-Mehmet Bilici,1Nihat Okcu,1Kerim Cayir,1Ibrahim Pirim,2Salim B. Tekin,1andCemal Gundogdu3 - Distribution of HLA Tissue Groups in Patients with Gastric Cancer Eurasian J Med. 2010 Apr; 42(1): 9.11.

22-Nihat Okcu,Abdulhalim Bak,Mehmet Sari,Mehmet Arslan,Sait Kapicioglu:The fibroblast proliferation, relationship of hepatocyte growth factor (HGF) and interferon-A2A Gastroenterology April 2000Volume 118,Issue 4, Part 2, PageA1404

23-Kubra Kaynar,Sait Kapicioglu,Mehmet Sari,Nihat Okcu,Abdulhalim Baki. The effect of fish oil on stress ulcer prophylaxis GastroenterologyVolume 118, Issue 4, Part 2, PageA1255

Associate Professor Mehmet Ali Gok is a leading specialist in abdominal surgery based at Medipol University Pendik Hospital in Istanbul.

• Performed robotic colorectal surgery training at Stony Brook University in New York
• Awarded a laparoscopic hernia surgery certificate from the European Hernia Society in Dubai
• Active member of the Turkish Society of Colon and Rectum Surgery
• Expert in emergency surgical outcomes for perforated colorectal cancers and bowel obstructions
• Highly published author in gastrointestinal surgical methods and patient recovery protocols

Dr Rafail Ibayev is a specialist surgeon at Erdem Hospital with a clinical focus on complex abdominal procedures. He performs both laparoscopic and open surgeries for diverse bowel conditions.

• Specialises in treating Meckel diverticula and small intestine tumours
• Performs minimally invasive laparoscopic resections to help speed up recovery
• Manages both benign and malignant diseases across the digestive tract
• Expertise includes gastroscopy and colonoscopy for internal diagnosis
• Consults on varied gastrointestinal issues from reflux to rectal diseases