Dr. Hakan Duger is a specialist in Endocrinology and Metabolic Diseases. He has worked at Gaziantep Özel Defa Life Hospital since 2023. He previously served at Kilis Prof. Dr. Alaeddin Yavaşca State Hospital from 2021 to 2023.

Education and training: Gazi University Faculty of Medicine (2006–2012). Internal Medicine residency at Uludağ University (2012–2017). Endocrinology and Metabolic Diseases training at Ankara Numune Training and Research Hospital (2017–2018) and Ankara Dışkapı Yıldırım Beyazıt Training and Research Hospital (2018–2021). He also served as an Internal Medicine specialist at Şanlıurfa Mehmet Akif İnan Training and Research Hospital (2017–2019).

Professional memberships: Turkish Medical Association. Turkish Society of Endocrinology and Metabolism. Turkish Diabetes Association. Clinical Endocrinology and Diabetes Association.

Professor Selin Kapan is a senior general surgeon and academic at Istinye University Liv Hospital with specialised expertise in gastrointestinal surgery. She holds dual qualifications in medicine and health institutions management, ensuring a highly organised and evidence-based approach to metabolic care.

• Performed extensive research into laparoscopic techniques for complex digestive system disorders
• Member of the Gastroesophageal Reflux Association, focussing on metabolic and upper GI health
• Serves as Professor of General Surgery at Istanbul Aydin University
• Author of over 50 scientific publications in international peer-reviewed medical journals
• Experienced in metabolic surgery within JCI-accredited hospital environments

Professor Servet Tali has performed more than 10,000 successful bariatric and metabolic surgeries and consults with over 1,000 patients every year.

• Specialises in transit bipartition and ileal interposition for diabetes management
• Performs SASI and SADI-S bypass procedures for complex metabolic needs
• Member of the Turkish Surgery Association and the Turkish Medical Association
• Regularly speaks at international scientific conferences on innovative obesity treatments
• Contributes to clinical research published in global medical journals

Education and Specialization

• Bachelor’s Degree in Medicine (English) – Hacettepe University, 1997
• Master’s Degree – Department of Internal Medicine, Akdeniz University, 2004
• Ph.D. / Proficiency / Medical Specialization – Division of Gastroenterology, Akdeniz University, 2007

Experience

• Akdeniz University Faculty of Medicine 1998/2004
• Akdeniz University Faculty of Medicine  2004/2007
• Urfa Training and Research Hospital 2008/2009
• Akdeniz University Faculty of Medicine, Department of Internal Medicine, Division of Gastroenterology  2010/2011
• Akdeniz University Faculty of Medicine, Department of Internal Medicine, Division of Gastroenterology 2011/2013
• Akdeniz University Faculty of Medicine, Department of Internal Medicine, Division of Gastroenterology 2013/2017
• Medical Park Antalya Hospital, Gastroenterology Department and Organ Transplant Center

Education and Experience

• 1992 - 1998, Gaziantep University, Faculty of Medicine
• 2002 – 2015, Cumhuriyet University, Faculty of Medicine, Department of Internal Medicine
• 2015 – 2024, Bağcılar Medipol Mega University Hospital
• 2024 – Present, Medipol Acıbadem Hospital

Associate Professor Serdar Kacar is a highly decorated surgeon who has pioneered complex transplant and metabolic procedures in Turkey. He established the specialised Obesity Clinic at Gazi Hospital and has successfully performed hundreds of gastric reduction operations.

• Awarded for performing the first small intestine transplant in Turkey
• Published over 50 international scientific papers on advanced surgical techniques
• Recognised with the Young Researcher Award at the World Congress of Nephrology
• Author and editor of multiple medical textbooks on specialised surgery
• Expert in laparoscopic donor nephrectomy and minimally invasive techniques

Dr Erdem Can Yardimci is an accredited metabolic and bariatric specialist who performs complex weight-loss procedures at the Clinics United centre in Antalya.

• Completed specialist surgical training at the Antalya Training and Research Hospital
• Gained high-level expertise at Istinye University Bahcesehir Liv Hospital's Organ Transplant Clinic
• Focuses on bariatric techniques that address metabolic disorders and obesity
• Participates in international training programmes to use the latest surgical methods
• Holds a medical degree from the prestigious 19 Mayis University Faculty of Medicine

Professor Burhan Mayir is a surgical leader who specialises in scarless bariatric procedures at his dedicated clinic in Antalya.

• Performs single-port sleeve gastrectomy leaving no visible abdominal scars
• Expert in complex revisional bariatric surgery and gastric bypass
• Published over 60 articles in international peer-reviewed medical journals
• Specialises in gastro-oesophageal reflux and laparoscopic cancer surgery
• Frequent speaker at global surgical congresses on metabolic techniques

The doctor graduated from Istanbul University, Faculty of Medicine, and gained extensive experience in general surgery as an assistant doctor at Bezmialem Vakıf Gureba Hospital and as a specialist at Ümraniye Training and Research Hospital and Elbistan State Hospital. From 2011 to 2016, the doctor served as chief assistant in General Surgery at the Training and Research Hospital of Istanbul. In 2016, the doctor established a private clinic in Istanbul focusing on obesity. The doctor became an Associate Professor of Obesity and Metabolic Conditions in 2018.

The doctor is a member of several professional organizations, including the International Federation for the Surgery of Obesity and Metabolic Disorders, and has completed numerous specialized courses in laparoscopic and bariatric surgery.

Professor Ayse Kubat Uzum serves as the Vice President of the Turkish Society of Endocrinology and Metabolic Diseases, bringing elite leadership to metabolic care at Biruni University Hospital.

• Awarded for clinical research into metabolic parameters and hunger following gastric bypass surgery
• Specialises in managing complex endocrine disorders including diabetes and thyroid diseases
• Fellow of the European Society of Endocrinology and the international Endosociety
• Trained at Istanbul Faculty of Medicine, one of Turkey's oldest and most respected medical schools
• Researches the effects of probiotics on patient satiety and metabolic outcomes after surgery

Dr. Gonul Catli is a pediatric endocrinologist with over 20 years of experience. She specializes in childhood hormonal and metabolic disorders. Her areas of focus include diabetes, thyroid diseases, growth problems, and puberty issues. She received her training at Ankara University and Dokuz Eylul University. Dr. Catli has also worked as an Associate Professor at Izmir Katip Celebi University.

Dr. Catli is known for her scientific work and caring approach. She currently practices at Liv Hospital Ulus and Vadistanbul. She is a member of the European Society of Pediatric Endocrinology (ESPE) and several national associations. Dr. Catli is dedicated to using new treatments to support children’s health and well-being.

Dr. Bercem Aycicek is an Associate Professor with over 20 years of experience in endocrinology and metabolic diseases. She is known for her strong clinical skills in treating complex hormonal and metabolic conditions. Her areas of expertise include diabetes, thyroid diseases, obesity, and resistant hypertension.

Dr. Aycicek is one of the few endocrinologists in Turkey with a focus on gender-affirming hormone therapy for trans individuals. She provides evidence-based and sensitive care. She also has a special interest in women’s health, managing issues such as irregular periods, delayed puberty, and metabolic bone diseases.

She earned her Associate Professorship at Health Sciences University Derince. Dr. Aycicek has worked in both public and private healthcare settings, helping to improve access to care. She is an active member of the Turkish Endocrine and Metabolism Society and the European Society of Endocrinology.

Professor Cuneyt Ciftdogan is a general surgery specialist at Can Hospitals with a strong focus on laparoscopic metabolic and obesity procedures.

• Trained at Ege University and Celal Bayar University in Turkey
• Specialises in minimally invasive laparoscopic gallbladder and hernia surgery
• Member of the Turkish Surgical Association and the Izmir Medical Chamber
• Performs diagnostic endoscopy and colonoscopy for gastrointestinal health
• Expertise includes intestinal tumour surgery and reflux management