Best Roux-en-Y Gastric Bypass doctors: TOP 31 doctors

I’m Dr. Enrique Pliego Esquivel, a surgeon specializing in bariatric and metabolic surgery with over 8 years of experience transforming lives through advanced surgical solutions. I am proud to be one of the few bariatric surgeons in Mexico who is a member of the American Society for Metabolic and Bariatric Surgery (ASMBS). I am also certified by the Mexican Board of Obesity Surgery and the Mexican College of General Surgery.

My primary focus is providing comprehensive care to patients dealing with obesity, obesity-related conditions such as diabetes and hypertension, as well as managing complications from bariatric surgery. I also treat gastroesophageal reflux and reflux-related esophagitis, offering tailored solutions that significantly enhance my patients' quality of life.

Patients often highlight my professionalism, empathy, and dedication to understanding their unique needs. I take the time to listen and fully grasp their goals because I believe every case deserves a personalized approach and a clear path toward success.

My priority isn’t to see the most patients—it’s to deliver exceptional care and outstanding results for each individual. I am deeply committed to quality, staying accessible, and maintaining close communication with my patients throughout their journey.

If you’re looking for expertise, compassion, and results you can trust, I’m here to help you take the first step toward a healthier, happier life.

Leading bariatric surgeon trained at Sahlgrenska University Hospital in Sweden and Whittington Hospital in London. Dr. Mickevičius ensures high safety standards and personalized postoperative care.

• Member of Lithuanian, European, and IFSO bariatric surgery societies
• Performs gastric bypass, sleeve, and revisional surgeries
• Trains other surgeons in laparoscopic techniques
• Works with latest Karl Storz laparoscopic equipment

Medical Doctorate in surgery

Consultant of laparoscopic and weight loss surgeries

Member of the Royal College Of Surgeons, England

Member and instructor At Alexandria Endoscopic Association (ALEXEA)

Member of the Egyptian Society for Obesity Surgery 

Member of the Egyptian Society for laparoscopic surgeons 

World renowned for his expertise in Obesity Surgery 

Reviewer in many international journals (Obesity Surgery, International journal of surgery, Surgical Endoscopy)

Whatclinic service award 2023 and 2024 for serving patients from all around the world 

Prof. Dr. Samet Yardımcı
Obezite ve Metabolik Cerrahi, Gastroenteroloji Cerrahisi, Genel Cerrahi Uzmanı

İlk ve orta öğrenimini Antakya’da tamamladıktan sonra 1997 yılında Ankara Üniversitesi Tıp Fakültesi’ne kabul edilerek Tıp eğitimine başladı. 2003 yılında Tıp fakültesinden mezun olduğu sene tıpta uzmanlık sınavını kazanarak Haydarpaşa Numune Eğitim ve Araştırma Hastanesi’nde Genel Cerrahi asistanlığına başladı.

2008-2009 yıllarında Amerika Birleşik Devletleri’nin Houston kentinde MD Anderson kanser merkezi’nde ve Memorial Herrman hastanelerinde kanser cerrahisi ve organ nakli konularında eğitim aldı. Türkiye’ye döndükten sonra 2009 yılında yapılan genel cerrahların katıldığı yan dal sınavında Türkiye birincisi oldu. Bu sınav başarısının peşinden 2009-2012 yılları arasında Türkiye Yüksek İhtisas Hastanesi’nde Gastroenteroloji Cerrahisi (sindirim sistemi cerrahisi) eğitimi aldı.

2012 yılında Türkiye’nin en genç Gastroenteroloji Cerrahı oldu ve Marmara Üniversitesi Pendik Eğitim ve Araştırma Hastanesine atandı. 2012 – 2018 yılları arasında, Marmara Üniversitesi Tıp Fakültesi öğrencilerine ve genel cerrahi asistanlarına birçok ders verdi, hastalara yönelik ve cerrahlara yönelik birçok eğitim faaliyetinde rol aldı. İleri laparoskopik cerrahi, Obezite ve Metabolik cerrahi alanında çalıştı, ayrıca organ nakli ve İnflamatuar barsak hastalıkları cerrahisi ünitelerinin kurulmasında aktif olarak rol aldı. 2017 mart ayında yapılan sınavla Doçent ünvanınına layık görüldü.

Education and Specialization

• Ankara University Faculty of Medicine – Medical Education
• Ankara University Faculty of Medicine – General Surgery Specialization
• Akdeniz University Faculty of Medicine – Associate Professorship
• Akdeniz University Faculty of Medicine – Professorship

Professional Memberships
• Turkish Medical Association
• Mediterranean Health Foundation
• Akdeniz University Development and Health Foundation
• Transplantation Organizations Coordination Association
• National Surgical Association

Dr. Yahya Özel is a highly experienced general surgeon with expertise in bariatric surgery, hepatobiliary diseases, abdominal hernias, endocrine surgery, and oncological surgery. He completed his medical education at Istanbul University, Istanbul Faculty of Medicine in 1990 and pursued his specialization in General Surgery at Haydarpaşa Numune Training and Research Hospital between 2001 and 2006. His commitment to advanced surgical techniques led him to further training at Tokyo University Hospital, Japan, in the Hepato-Biliary-Pancreatic Surgery and Artificial Organ Division under renowned experts M. Makuuchi and N. Kokudo.

Throughout his career, Dr. Özel has worked at prestigious institutions, including Istanbul University Faculty of Medicine, Haydarpaşa Numune Training and Research Hospital, and Ümraniye Training and Research Hospital. His extensive experience includes roles in ERCP and surgical endoscopy, as well as advanced laparoscopic and robotic surgery. In addition to his clinical practice, he has served as an academic faculty member at Doğuş University, contributing to the education and training of future medical professionals.

Dr. Özel holds several certifications in surgical endoscopy, including the Turkish Surgical Proficiency Certificate. His dedication to minimally invasive surgical techniques, obesity treatment, and hepatobiliary surgery has made him a sought-after specialist in his field. With a career spanning over three decades, he continues to provide high-quality, patient-centered surgical care, ensuring the best outcomes through his expertise and innovative approach.

Associate Professor at Medical Park Bahçelievler Hospital with 20+ years in general surgery, specializing in bariatric procedures.

• Member of the Society of Bariatric and Metabolic Surgery
• Trained at Istanbul University Cerrahpaşa Faculty of Medicine
• Specializes in Roux-en-Y Gastric Bypass among other bariatric surgeries
• Active in professional societies including the Turkish Surgical Society

Some of the most relevant points in Dr. Rosales' CV are:

- Dr. Gabriel Rosales obtained his medical degree from the Universidad de Monterrey in Monterrey, Mexico, accredited by the Southern Association of Colleges and Schools (SACS).
- He completed his residency in general surgery and advanced laparoscopy at the Hospital Christus Muguerza Alta Especialidad hospital endorsed by the Joint Commission International (JCI).
- He completed his advanced training in laparoscopic skills at the Hospital Christus Muguerza Alta Especialidad.
- Member of the International Federation for the Surgery of Obesity and Metabolic Diseases (IFSO)
- Member of the American Society of Endoscopist Surgeons (ASMBS)
- Active Member of the Society of American Gastrointestinal and Endoscopic Surgeons (SAGES) .
- Member of the Mexican Association of Endoscopic Surgery.
- Belongs to the International Council of Medicine and Surgery based on the United States (International Board of Medicine and Surgery (IBMS).
- Certified by the Mexican Council of General Surgery.
- Has completed multiple training courses in Mexico and the United States.
- Member of the surgical staff of the most recognized Hospitals in northern Mexico.
- As an experienced surgeon in obesity surgery in Monterrey, Piedras Negras and Laredo, he is recognized by his patients and colleagues.

EXPERIENCE AND STUDIES/MEETINGS

He focused his career in the field when he realized that bariatric surgery procedures offer patients such a life-changing experience.

‍Throughout his career he has participated in more than 8000 gastric sleeve and Lap band procedures.

- Completed his general surgery and advanced laparoscopic residency at Christus Muguerza High Speciality Hospital a Joint Commission International accredited hospital.

- Multiple training courses in Mexico and USA.

- As an experienced weight loss surgeon in Piedras Negras, Nuevo Laredo and Monterrey, Mexico, he is highly regarded by his patients and peers a like.

These professional affiliations allow Dr. Rosales to remain on the leading-edge of developments in weight loss surgery, so that he can provide innovative, effective treatment to all of his patients. Fluent in English and Spanish, Dr. Rosales welcomes patients from throughout Mexico, the United States, and Canada.Dr. Rosales takes pride in his work, and nothing gives him more satisfaction than the health, happiness, and joy that his patients are able to achieve following weight loss surgery.

Dr. Gabriel Rosales earned his medical degree at the Universidad de Monterrey in Monterrey, Mexico, a Southern Association of Colleges and Schools accredited university. (SACS from the U.S.)
‍
He completed his residency in General Surgery at Christus Muguerza High Specialty Hospital.

Studies:

• Título de Medicina
• Cedula Profesional
• Título Especialidad en Cirugía General
• Cédula Especialista
• 2007 - Christus Muguerza - Constancia Especialidad Médica
• 2007 - Christus Muguerza - Certificado Jefe Residentes Cirugia General
• 2007 - Christus Muguerza - Entrenamiento en Laparoscopia Básica y Avanzada
• 2010 - SAGES International member certificate
• 2014 - ASMBS International Member Certificate

Cursos de Postgrado y Congresos

• 1995 - Cruz Roja Mexicana - RCP Básico y Avanzado
• 2003 - Christus Muguerza - Curso RCP Básico y Avanzado
• 2004 - American College of Surgeons - Congreso Latinoamericano de Cirugía
• 2004 - Colegio Americano de Cirujanos - VIII Congreso Latinoamericano de Cirugía ACS
• 2004 - Facultad de Medicina UANL - Curso Avanzado de Apoyo en Trauma ATLS
• 2004 - Facultad de Medicina UANL - Curso Internacional Tópicos Selectos en Cirugía General
• 2005 - Asociación Mexicana de Cirugía Endoscópica - XVI Congreso Internacional de Cirugía Endoscópica
• 2005 - Cirugía de Control de Daños
• 2006 - Asociación Mexicana de Cirugía Endoscópica - Congreso Internacional de Cirugía Endoscópica
• 2006 - Facultad de Medicina UANL - Conceptos Actuales en Cirugía General
• 2006 - Hospital Central Militar - MiniFellowship Cirugia de Invasión Mínima
• 2006 - Asociacion Mexicana de Gastroenterologia - Controversias Actuales en Gastroenterología y Hepatología
• 2007 - Asociación Mexicana de Cirugía General - XXXI Congreso Internacional de Cirugía General
• 2007 - Consejo Mexicano de Cirugía General - Certificado Especialista
• 2009 - Cine Med - Complex Bariatric Cases and Emerging Concepts
• 2009 - SAGES - Laparoscopic Foregut Surgery Hands On Course
• 2009 - SAGES - Scientific Session and Postgraduate Courses
• 2010 - SAGES - 12th World Congress of Endoscopic Surgery Scientific Session and Postgraduate Courses
• 2011 - SAGES - Scientific Session and Postgraduate Courses
• 2014 - Facultad de Medicina UANL - XXV Congreso Anual Cirugía Moderna Basada en Evidencia
• 2014 - IFSO - IFSO XIX World Congress
• 2015 - Asociación Mexicana de Cirugía General - XXXIX Congreso Internacional de Cirugía General
• 2016 - Colegio Mexicano de Cirugía para la Obesidad y Enfermedades Metabólicas, A.C. - Primer Congreso Nacional para el Manejo Quirúrgico y Multidisciplinario de la Diabetes Tipo 2
• 2016 - Colegio Mexicano de Cirugía para la Obesidad y Enfermedades Metabólicas - Primer Curso de MGB/OAGB (Bypass Mini Gástrico)
• 2017 - SAGES - Scientific Session and Postgraduate Course

With 25+ years in general surgery, Dr Gokmen Ozturk specializes in obesity treatments including gastric bypass at Vital Clinic.

• Completed medical training at Bursa Uludag University
• Former Deputy Chief Physician at Trabzon Fatih Regional Hospital
• Served at Medipol University and Nisa Hospital
• Treats a wide range of gastrointestinal conditions

Op. Dr. Necdet Derici was born in Konya Beyşehir in March 1971. He completed his primary school in Beyşehir. Then, he moved to Konya, Ereğli for his secondary and high school education. He graduated from Istanbul University Istanbul Faculty of Medicine in 1995. Between 1995 and 1999, he worked as an assistant doctor at Istanbul Training and Research Hospital. In his next career step, he joined Istanbul Training and Research Hospital as a General Surgery Specialist and worked from 2000 to 2009. He specialized in Endocrine Surgery (Goiter, Surreal, Parathyroid Surgery), Laparoscopic Surgery (Laparoscopic Obesity, Colon Surgery, Stomach Surgery, Hernia Surgery, Appendectomy, Hiatus Hernia, cholecystectomy), Gastrointestinal Surgery (Stomach Cancer and Ulcers, Colon Cancers, Bile duct Surgery) and Endoscopy.

In 2015, He worked with Dr. Bruno Dillemans on Laparoscopic Gastric Bypass in Belgium. In 2017, He worked with Dr. Phillipe Topart ve Dr Guillaume Becouarn on Obesity Surgery and Laparoscopy. He speaks advanced English and intermediate French. Necdet Derici is a member of the Turkish Surgery Association, Turkish Bariatric Surgery Association, Laparoscopic Surgery Association, Endocrine Surgery Association, Asian Endocrine Surgery Association and International Obesity and Bariatric Surgery Association (IFSO). Also, He is married and has 3 children

Place and Birth Year of Birth: Manisa, 01.03.1971

Education: University, Istanbul University - Istanbul Medical Faculty,

High School: Cumhuriyet High School-Eregli

Work Experience: 1995-2009 - Istanbul Education Hospital

2009-2011- Avrasya Hospital

2011-2022 : Atakoy Hospital

Professional Interests: Gastric Surgery, Gastric Bypass , Gastric Baloon, Gastric Surgery Revision

General Surgery 

Colorectal Surgery 

Obesity and Metabolic Surgery 

Medical Director 

Brief Curriculum Vitae 

I was born in Trabzon on 15.07.1969. After I attended Ismetpaşa Primary School and Cumhuriyet Secondary School, I was graduated from Trabzon High School. I had medical education and training in School of Medicine of Karadeniz Technical University from 1986 to 1992. I worked as medical practitioner in Alacahan subdistrict, Kangal District, Sivas City in 1992-1993 and in Sivas Police Headquarters to fulfill the conscription. I was assigned as Health Group Manager and Medical Practitioner in Dernekpazarı District of Trabzon in 1993-1994. I passed the Examination for Medical Specialty in 1995 and I had my residency training and education at Department of General Surgery in Istanbul School of Medicine of Istanbul University from 1995 to 2000. I was awarded the title of “General Surgeon” after I submitted the medical specialty thesis titled “Relationship between gastrointestinal tumors and HLA” in 2001. After I worked at a privately owned hospital in 2000-2002, I started working in General Surgery Clinic of Bakırköy Dr. Sadi Konuk Training and Research Hospital in 2003. I had rotation in General Surgery Clinic of School of Medicine in Istanbul University for 9 months in 2007. I was awarded the title “Associate Professor of General Surgery” in 2010. I undertook Management duties in Şişli Hamidiye Etfal Training and Research Hospital from November 2012 to December 2013 and in Bakırköy Dr. Sadi Konuk Training and Research Hospital from December 2013 to April 2015. I had been Head of Education and Administrative Affairs, General Surgery clinic at Bakırköy Dr. Sadi Konuk Training and Research Hospital since 2010. I am Medical Director and General Surgeon at VM Medical Park Florya Hospital in Istanbul Aydın University as of 2017. 

I have intentionally dealt with renal transplantation during my residency education. After I was awarded the title “medical specialist”, I participated to diagnostic & therapeutic endoscopy, bariatric surgery, laparoscopy and robotic surgery educations abroad for short periods. I am intensively dealing with any and all laparoscopic surgical procedures (especially bariatric and gastrointestinal system surgery) and diagnostic and therapeutic endoscopic procedures (gastroscopy, colonoscopy, ERCP, endoscopic ultrasound) in this clinic since 2003 and I also play the role of trainer. I do and train others about General Surgery procedures with Da Vinci Robotic system since 2010. 

I authored 74 papers that are published in SCI and SCI-e journals and 55 papers that are published in local journals, along with 7 book chapters and 86 papers presented in local congresses and 180 papers presented in international congresses. 

I am member of Turkish Surgical Association, Turkish Association of Trauma and Emergency Surgery, Turkish Association of Endoscopic – Laparoscopic Surgery, Turkish Association of Obesity Surgery, Turkish Transplantation Centers Coordination Association and Istanbul Surgical Association. I am also member of International Active Member of Society of American Gastrointestinal Endoscopic Surgeons (SAGES), International Active Member of European Association for Endoscopic Surgery (EAES), International Active Member of International Association of Surgeons, Gastroenterologists, Oncologists (IASGO), International Active Member of International School of Surgical Oncology (ISSO), International Active Member of International Federation Surgical Obesity (IFSO). 

Date of Birth: July 15th, 1969 

Educational Status: 

Bachelor’s Degree School of Medicine Karadeniz Technical University 1992 

Medical Specialty Department of General Surgery, Istanbul School of Medicine İstanbul University 2001 

Title of Medical Specialty Thesis (abstract is attached) and Supervisor: 

1. “Relationship between gastrointestinal tumors and HLA”. February 2001 Supervisor: Prof. Uluğ Eldegez, M.D. 

General Surgeon Büyük Anadolu Hospital 2001-2003 

General Surgeon Bakırköy Dr Sadi Konuk Training and Research Hospital 2003-2006 

General Surgeon Istanbul University Emergency Surgery Clinic, Department of General Surgery, Istanbul School of Medicine 2006-9 months 

General Surgeon Bakırköy Dr Sadi Konuk Training and Research Hospital 2006-2010 

Associate Professor of General Surgery Bakırköy Dr Sadi Konuk Training and Research Hospital 2010-…

Head of Training and Administrative Affairs, General Surgery Clinic Bakırköy Dr Sadi Konuk Training and Research Hospital 2010 - …

 Doctorate thesis / proficiency in art studies supervised: 

1. Ede, B., “Changes in Thyroid Hormones After Thyroid Surgery”, Bakırköy Dr Sadi Konuk Training and Research Hospital 2006. 

2. Dodur B., “Factors Influencing Mortality and Morbidity in Gastrointestinal Bleeding” Bakırköy Dr Sadi Konuk Training and Research Hospital 2006. 

Duties undertaken in Projects: 

1. “Enteral Stents for Colonic Obstructions (ESCO): Prospective, randomized European multisentric study, comparing enteral stent followed by elective surgery versus emergency surgical treatment in malignant colonic obstruction. “ European Association for Endoscopic Surgery (EAES) Clinical Trial Center (CTC) Clinical Trial gov. Identifier: NCT00591695 

2. A phase III, randomized, double-blind, parallel group efficiency and safety study that compares safety and efficiency of oral dabigatran etexilate (150 mg BID) with warfarin (INR = 2.0-3.0) in semiannual treatment of acute symptomatic thromboembolism following initial treatment with a parenteral anticoagulant agent, which is approved for the relevant indication, minimum for five days – RECOVER II” Protocol code 1160.46

Editorialships: 

1. General Surgery Department, Advisory Board, Turkish Clinics Medical Sciences Journal, 2010 

2. “Global Journal of Surgery” Editorial Board 2010 

Scientific Organization Memberships: 

1. Turkish Surgical Association 

2. Association of Trauma and Emergency Surgery 

3. Turkish Association for Endoscopic and Laparoscopic Surgery 

4. Turkish Obesity Surgery Society 

5. Organ Transplantation Centers Coordination Association 

6. Istanbul Surgical Association 

7. International Active Member of Society of American Gastrointestinal Endoscopic Surgeons (SAGES). 

8. International Active Member of European Association for Endoscopic Surgery (EAES) 

9. International Active Member of International Association of Surgeons, Gastroenterologists, Oncologists (IASGO). 

10. International Active Member of International School of Surgical Oncology (ISSO). 

11. International Active Member of International Fedaration Surgical Obesity (IFSO)

Dr. İlhami Soykan Barlas was born in the year 1977 in Istanbul Moda. He is graduated from Kadıköy Anadolu High School and Cerrahpaşa Faculty of Medicine. He was awarded the title of General Surgery Specialist after completing his general surgery specialization in Okmeydanı Training and Research Hospital in the year 2008. 

He went to Scotland 2 times in the years 2006-2007 and received advanced laparoscopic education. He awarded with ‘Certificate of Appreciation’ by the Ministry of Health of the Republic of Turkey in the year 2009 for his contributions to the establishment of Dr. Lütfi Kırdar Training and Research Hospital Burn Center and for his related works. 

After completing his compulsory service at Kastamonu İnebolu State Hospital between the years 2009-2011, resigned from his duty at the state owned institutions, returned to Istanbul and started to work in private sector. He has been working as kidney transplant and general surgery specialist in Florence Nightingale group of hospitals since the year 2013. Since the year 2017, he has been serving as academic Doctor Lecturer in Faculty of Medicine of Demiroğlu Science University. He has more than 20 articles published in national and international journals in general surgery and kidney transplant and more than 30 proceedings that are submitted in national and international congresses. 

He also has been the book editor and chapter author on kidney transplant and he also has been chapter author in various surgery books. Dr Soykan Barlas has been awarded the title ‘General Surgery Associate Professor’ in the year 2020. Currently, he has been working within the organization of Medical Park Group of Hospitals .

 EXPERIENCES 

 İstanbul Okmeydanı Training and Research Hospital 2003-2008 (Specialization Education ) 

 İstanbul Lütfi Kırdar Kartal Training and Research Hospital 2009 

 İnebolu State Hospital 2009-2011 (Compulsory Service Duty) 

 Private Hospitalium Şişli Hospital 2012-2013 

 Şişli Florence Nightingale Hospital Kidney and Pancreas Transplant Center 2013-2020 

 Demiroğlu Science University Faculty of Medicine Surgery Department Lecturer 2017- Present 

 İstanbul Florence Nightingale Hospital Kidney and Pancreas Transplant Center 2020- Present 

 Private Osmanoğlu Hospital Şişli 2020-2022 Medical Park Göztepe Hospital 2022- present.

SCIENTIFIC ARTICLES 

1.Soykan Barlas,ArzuAkan,YavuzEryavuz,GirayYavuz,SedatKamalı,Gülçin Kamalı: PrimaryHydatidosis of thegluteusmuscle:Report of a caseandreview of theliterature. Ind JSurg.2016; 78(2): 161–162. 

2.Metin Kement, Hakan Ahmet Acar, İlhami Soykan Barlas, Nihat Aksakal, Cem Gezen, Uygar Düzci, Mustafa Öncel: Clinical evaluation of a temporaryfecalcontainmentdevicefornonsurgicalfecaldiversion in perinealburns. Ulus Trauma Emergency Surgery Journal. 2011; 17(2): 123-127 

3.Bilgin Y, Hot S,BarlasIS,AkanA,Eryavuz Y:Short andlongtermresults of harmonicscalpelhemorrhoidectomyversusstaplerhemorrhoidopexy in treatment of hemorrhoidaldisease. Asian J Surg. 2015;38(4):214-9. 

4.Sinangil A, Celik V, Barlas S, Sakaci T, Koc Y, Basturk T, Akin EB, Ecder T. NewOnsetDiabetesAfterKidneyTransplantationandPretransplantHypoma gnesemia.ProgTransplant. 2016 Mar;26(1):55-61. doi: 10.1177/1526924816633949. 

5.Sinangil A, Celik V, Barlas S, Altunrende F, Akin EB, Ecder T. CalcifiedDouble J StentafterSequentialLiverandRenalTransplantationAssociatedtoprim aryOxalosis: Case Report. BANTAO journal, 2015;13(2), 97-99. 

6.Sinangil A, Celik V, Barlas S, KuskuCabuk F, Akin EB, Ecder T. A veryraretumor in a renaltransplantdonorcandidate: primarymesentericneuroendocrinetumor.InternationalJournal Of AdvancesIn Case Reports, 2015;2(4):244-249 

7.Sinangil A, Celik V, Barlas S, Akin EB, Ecder T. Shouldtransplantureter be stentedroutinelyor not?EurRevMedPharmacolSci. 2014;18(23):3551-6. 

8.Sinangil A, Celik V, Barlas S, Koc Y, Basturk T, Sakaci T, Akin EB, Ecder T. Theincidence of newonsetdiabetesaftertransplantationandrelatedfactors: Singlecenterexperience. Nefrologia, 2017;37(2):181-188. 

9.Akin EB, Aydogdu I, Barlas IS. Introducing RobotAssistedLaparoscopicDonorNephrectomyAfterExperienceInHandAssistedRetroperitoneoscopicApproach. TransplantProceedings 2019;51, 2221-222. 

10. Barlas IS, Aydogdu I, Sinangil A, Atan Ucar Z, Koc Y, Sardogan C, Akin EB. IncisionalComplicationsandCosmetic Evaluation AfterHand-AssistedRetroperitoneoscopicDonorNephrectomy. TransplantProceedings 2019; 51, 2215-2220. 

11. Barlas IS, Aydogdu I, Sinangil A, Atan Ucar Z, Koc Y, Ecder T, Akin EB. HandAssistedNephretomyPredisposesIncisionalHerniationInObeseL ivingDonors. TransplantProceedings 2019; 51, 2210-2214. 

12.Sinangil A, Atan Ucar Z, KocY, Barlas IS, Abouzahir S,Ecder ST, Akin EB. TheOutcome of DesensitizationTherapy in Immunologically High-risk KidneyTransplantation: Single-Center Experience. TransplantProceedings 2019; 51, 2268-2273 

13.GodeOguten E, Barlas IS, Akin EB. MentalDistressSymptomsand Life SatisfactionamongLivingKidneyDonors: FrequencyandAssociationwithSubjectiveEvaluations. TransplantProceedings 2019; 51, 2232-2236 

14. Atan Ucar Z,Sinangil A, Koc Y, Barlas IS, AbouzahirS, Ecder T, Akin EB. TheClinicalPrognosis Of TheRenalRetransplantPatients: A Single Center Experience. TransplantProceedings 2019;51, 2274- 2278. 

15. Barlas IS, Demir M, Akın EB. A single-center nineyearexperience in pediatrickidneytransplantation. Cumhuriyet MedicalJournal 2020; 42 (1), 126-135

Dr. Huseyin Akyol performs Roux-en-Y gastric bypass with personalized treatment methods and high-tech equipment.

• Specializes in obesity and metabolic surgery
• Works with an experienced team for optimal patient outcomes
• Conducts surgeries in fully equipped A-plus hospitals

Assoc. Dr. Ali DURMUŞ was born in the Fevzipaşa township of İslahiye, Gaziantep. Because his father worked at Tekel, he started his education at Malatya Derme Primary School and completed it at Adıyaman Atatürk Primary School. When his father was appointed to Amasya Taşova district, he attended secondary school at Taşova Atatürk Secondary School. He finished high school at Gaziantep Kilis High School, ranking 3rd.

Since his uncle was in Çanakkale, he chose Çanakkale Education Institute as a university. Assoc. Prof. Dr. is a teacher. Ali Durmuş was appointed to Yukarı Tutak village in Ağrı's Diyadin district within the scope of compulsory service. After working as a teacher for a period, he took the university exam again.

He was accepted to Erciyes University Faculty of Medicine, one of the two medical faculties that taught in English at that time. He completed one year of English preparation and 6 years of medical education without any loss. He was a member of the ski team and basketball team at the university, and also managed social events such as the annual medical ball.

He was assigned to Iskenderun State Hospital in compulsory service. Assoc. Prof. Dr., who served as the emergency manager. Ali Durmuş passed the General Surgery Department of Okmeydanı Training and Research Hospital in the Medical Specialization Exam. Assoc. Prof. Dr. completed his specialization and became a specialist. Due to his success in his compulsory service, Ali Durmuş was appointed as assistant chief physician to the Oncology department at Okmeydanı Training and Research Hospital.

Later, he was appointed as a training officer in the Department of General Surgery and Gastroenterology. He helped develop laparoscopic stomach and intestinal surgeries (sleeve gastrectomy, gastric bypass, reflux, colon cancer, stomach cancer, etc.) in Turkey. Between 2002 and 2015, he trained dozens of assistants and helped them become general surgeons.

In 2015, he left his job in Okmeydanı and worked as Assistant Professor. He started working as a faculty member at Nişantaşı University.

Dr. Peter Vasas is a Consultant Bariatric Surgeon. He specializes in general, hepatobiliary, and both lower and upper gastrointestinal surgeries. He has performed over 800 bariatric procedures, including complex revision surgeries. Dr. Vasas has achieved a 0% leak rate and mortality, reflecting a strong commitment to patient safety.

His expertise includes gastric bypass, sleeve gastrectomy, laparoscopic cholecystectomy, hernia repairs, gallstone surgery, reflux surgery, and minimally invasive colo-proctology. Dr. Vasas holds a PhD from Semmelweis University, an MD from the Medical University of Debrecen, and an MSc from University College London.

He completed a bariatric fellowship sponsored by Ethicon in the UK and Belgium. Dr. Vasas is a member of the British Obesity and Metabolic Surgery Society, the Hungarian Surgeons Society, and the Royal College of Surgeons in London.

Dr. Ayman is a Medical Doctor and Surgeon specializing in General and Bariatric Surgery, with extensive training and experience in minimally invasive surgery and obesity management.

Doctor earned his Master's Degree in Medicine and Surgery from the University of Brescia in 2005. He then completed his specialization in General Surgery at the same university in 2016, with a thesis titled "Fast track in minimally invasive colon surgery. He has complete autonomy in the clinical management of complex patients and extensive experience in performing a variety of surgical procedures, including major surgeries. His expertise includes gastric and colorectal surgery, bariatric surgery, abdominal wall surgery, videolaparoscopic (VLC) and laparotomic (VLA) procedures, and proctology. He is particularly skilled in performing medium and major surgeries in emergency settings.

Currently, he practices at Maria Cecilia Hospital in Bologna, where he evaluates the degree of obesity and associated conditions. Based on these assessments, he determines the most suitable surgical intervention, such as sleeve gastrectomy, gastric bypass, and mini laparoscopic bypass.

He has advanced training in colorectal and abdominal wall surgery from top institutions in Italy and Belgium.

He is an active member of the Italian Society of Obesity Surgery and Metabolic Disorders (S.I.C.OB.) and the International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO), contributing to the advancement of bariatric surgery on an international level.

Dr. Ayman is distinguished by his dedication to patient care and his advanced skills in minimally invasive and bariatric surgery.