Education and Experience
Education
Experience
Dr. Cheon Won Seok is the Director of the Department of Gastroenterology at Naeun Hospital. His expertise includes gastrointestinal diseases; upper gastrointestinal endoscopy and colonoscopy; polypectomy; ESD (Endoscopic Submucosal Dissection); small-bowel capsule endoscopy; digestive disorders; gastric and esophageal cancer; Helicobacter pylori infection; liver diseases; and inflammatory bowel disease, including Crohn’s disease and ulcerative colitis.
He graduated from Kyung Hee University College of Medicine. He completed his internship at Kyung Hee Medical Center and his internal medicine residency at Hallym University Sacred Heart Hospital. He later served as a Clinical Instructor in Gastroenterology at Chung-Ang University Hospital. He is a full member of the Korean Association of Internal Medicine and a life member of the Korean Society of Gastrointestinal Endoscopy. He is also a board-certified subspecialist in gastrointestinal endoscopy and serves as a medical advisor to KBS, MBC, SBS, JTBC, and MBN.
Assoc. Prof. Dr. Ayşe Sinangil is a nephrologist with expertise in kidney failure. She has authored 30 international publications. She has also presented at 19 international scientific meetings.
Dr. Sinangil graduated from Istanbul University Cerrahpaşa Faculty of Medicine. She completed her specialization at Okmeydanı Training and Research Hospital in 2004. In 2012, she finished a minor specialization at Istanbul Şişli Etfal Training and Research Hospital. She is a member of the Turkish Society of Nephrology, ERA, and EDTA. Dr. Sinangil is dedicated to ongoing professional development in nephrology.
2005 – M.D., Istanbul University, Istanbul Faculty of Medicine
2010 – Internal Medicine Specialization, Haseki Training and Research Hospital
2021 – Gastroenterology Subspecialty Training, Sakarya University Faculty of Medicine
Assistant Professor, Istanbul Florence Nightingale Hospital
Assistant Professor, Istanbul Bilim University Faculty of Medicine
Assistant Professor, Istanbul Yeni Yüzyıl University Faculty of Medicine
Head of Department, Giresun University Faculty of Medicine
Dr. Acar has authored over 20 international peer-reviewed articles in the fields of internal medicine and gastroenterology. Her notable contributions include studies and case reports on:
Gastrointestinal bleeding management in anticoagulant users
Rare GI cases such as bezoars, aortoesophageal fistulas, and massive hemorrhagic ascites
Liver transplantation complications, including graft-versus-host disease
The role of (pro)hepcidin in IBD-related anemia
Endoscopic interventions for acute GI bleeding
Covid-19 treatment agents and their GI implications in Turkey
(Full publication list available upon request)
Gastrointestinal bleeding & endoscopic procedures
Hepatology & liver disease management
Inflammatory bowel diseases (IBD)
Complex GI case diagnostics
Post-transplant GI complications
Diabetic GI and cardiovascular comorbidities
Education and Expertise
BAŞKENT UNIVERSITY FACULTY OF MEDICINE
diseases
Heart failure
Valve Diseases
Heart Holes
Cardiovascular Occlusion
Aortic Vein Aneurysm
Cardio Oncology
Resistant Hypertension
Rhythm Disorders
Treatment Methods
Pacemaker Applications
Mitraclip
triclip
TAVI Application
Closing Heart Holes
Balloon Stent
Stent Application to Aortic Aneurysms
Heart checks for oncology patients
In Resistant Hypertension patients
Ablation application Renal Denervation
Cryotherapy Application
Experience
2005 – 2010 Başkent University Faculty of Medicine – Specialization
2010 – Cleveland Clinic Interventional Cardiology Training
Professional Memberships
Turkish Society of Cardiology
Turkish Medical Association
European Society of Cardiology (ESC)
European Association of Cardiovascular Imaging (EAVI)
2002 – 2008 – Siriraj Medical School, Mahidol University
2008 – 2013 – Department of Internal Medicine, Rajavithi Hospital
2013 – 2015 – Department of Cardiology, Internal Medicine Rajavithi Hospital
2019 – 2020 – Cardiology Intervention, Department of Cardiology, Internal Medicine Rajavithi Hospital
Languages: English and Thai
Dr. Cagdas Erdogan is a gastroenterologist at Ankara Etlik City Hospital. He trained in Internal Medicine and Gastroenterology. He earned his MD from Dokuz Eylul University. He completed his Internal Medicine residency from 2014 to 2019. He then completed a Gastroenterology fellowship at Ankara City Hospital from 2019 to 2022. His clinical focus includes advanced endoscopy (ERCP, EUS, EMR, ESD, POEM, EGD, colonoscopy, double-balloon enteroscopy), inflammatory bowel disease, and hepatology.
He has about 40 publications. His work appears in The Turkish Journal of Gastroenterology, Scientific Reports, Endoscopy, and Digestive Diseases and Sciences. Notable studies address vedolizumab in IBD and prophylaxis for post-ERCP pancreatitis. He also reported a 13-year Crohn’s cohort comparing infliximab and adalimumab. Additional work covers outcomes with an adalimumab biosimilar and innovative endoscopic therapies (MCA via double-balloon enteroscopy, holmium laser for Bouveret syndrome, POEM for Zenker’s diverticulum, and ESD for esophageal papillomatosis).
Dr. Ornicha Thititagul (Dr. Faangkaow) is a geriatrician and lecturer in the Geriatric Medicine Division at Siriraj Hospital, Mahidol University. She practices at Siriraj Samut Sakhon Geriatric Healthcare Center and Siriraj Piyamaharajkarun Hospital.
Accreditations include: M.D. (Second Class Honors, 2017); Diplomate, Thai Board of Internal Medicine (2021); WHO‑SEARO ICOPE Master Trainer (2021). Additional credentials: Diplomate in Geriatric Medicine (2023); Diplomate, International Board of Lifestyle Medicine (2024).
Research highlights include: a randomized controlled trial on oral nutritional supplements in older adults (Geriatrics, 2024); PG‑SGA versus MNA in hepatocellular carcinoma (Support Care Cancer 33, 116, 2025); and Thailand’s first abacavir hypersensitivity case report (J Med Assoc Thai, 2021). She was on the host team and served as a moderator at the 10th Asian Conference of Frailty and Sarcopenia in 2024.
Wissarut Sakulpaptong, M.D., is a board-certified cardiologist and a cardiology staff member at King Chulalongkorn Memorial Hospital. He specializes in advanced echocardiography. His work includes transthoracic and transesophageal studies, strain analysis, 3D and stress echocardiography, and imaging for congenital heart disease. He also holds an M.Sc. (Medicine) from Chulalongkorn University.
His leadership roles include Chief Fellow (2024) and Chief Resident (2022). His awards include Second Prize at the 2025 Echocardiography Annual Scientific Meeting (Heart Association of Thailand), 2021 Outstanding Second-Year Resident, and 2017 Outstanding Medical Graduate. He developed an NSTEMI care pathway, a Screening Echocardiogram Project, and a Home-Visit Warfarin Clinic. He presented research on sepsis-induced myocardial dysfunction. He also contributed to Thailand’s 2022 migraine guideline.
Dr. Özcan Uzun is a nephrology specialist. He earned his medical degree from Atatürk University Faculty of Medicine (2005-2011). He completed his internal medicine and nephrology training at Dokuz Eylül University Faculty of Medicine (2012-2016, 2018-2022).
Dr. Uzun treats acute and chronic kidney failure, diabetic kidney disease, Fabry disease, glomerulonephritis, hyponatremia, kidney disease related to heart failure, and vasculitis. He is skilled in managing diabetic kidney disease, treating glomerulonephritis, providing hemodialysis, and controlling hypertension.
He has worked as an internal medicine specialist at Batman Training and Research Hospital. He also served as a nephrology specialist at Yalova State Hospital. Dr. Uzun is a member of the Turkish Nephrology Association and the Izmir Medical Chamber.
Dr. Humayun Kakar is a cardiologist. He earned his medical degree from Eskişehir Osmangazi University between 2007 and 2014. He completed his cardiology residency at İzmir Dokuz Eylül University from 2015 to 2020. In 2024, he received advanced training in heart failure at the University of Zurich in Switzerland.
He has worked at İzmir Ekonomi Üniversitesi Medical Point Hospital and Konya Cihanbeyli State Hospital. He also took part in advanced heart failure education at the University of Zurich.
Dr. Kakar is a member of several professional organizations. These include the European Society of Cardiology, Turkish Society of Cardiology, Heart Failure Association, American College of Cardiology, Cardiovascular Academy Association, and the European Association of Percutaneous Cardiovascular Interventions (EAPCI).
Dr. Mustafa Dogdus is a cardiologist who graduated from Ege University Faculty of Medicine. He has broad experience in treating complex heart conditions. His expertise includes arrhythmias, atrial septal defect (ASD), atrial fibrillation, AVRT, AVNRT, bradycardia, heart failure, coronary artery disease, and structural heart diseases.
He is skilled in advanced interventional procedures. These include ASD, PDA, and VSD closure, EPS-ablation, ICD-CRT-D implantation, and percutaneous coronary and peripheral interventions. Dr. Dogdus worked at Karaman State Hospital and Uşak University Training and Research Hospital cardiology clinics from 2017 to 2022.
He is an active member of the Turkish Society of Cardiology, the European Society of Cardiology, and the Cardiovascular Academy. He also holds board and working group positions in several national and international cardiology organizations.
Dr. Ertuğrul Ercan is a Professor of Cardiology. He completed his training at Ege University and Çanakkale Onsekiz Mart University. His main areas of expertise are interventional cardiology, atherosclerosis, valve diseases, and coronary artery disease. He also focuses on inflammation and coagulation, cardiovascular immunology, and stem cell therapy.
Dr. Ercan has held key academic and administrative positions. He served as Head of Cardiology and Dean at Çanakkale Onsekiz Mart University. He was also the Medical Director at İzmir Medical Point Hospital. He gained international experience at the Cleveland Clinic and in Melbourne, Australia.
He holds the European Cardiologist Diploma and is a Fellow of the European Society of Cardiology. Dr. Ercan is also a member of several national and international cardiology associations and working groups.
Experience
2019 - 2022
University of Health Sciences, Faculty of Medicine, Ankara City Hospital, Cardiology Clinic, Ankara
2017 - 2019
University of Health Sciences, Faculty of Medicine, Turkey Higher Specialization Training and Research Hospital, Cardiology Clinic, Ankara,
2012 - 2017
Türkiye Higher Specialization Training and Research Hospital, Cardiology Clinic, Ankara,
2012 - 2017
T.R. Karabük University, Faculty of Medicine, Department of Cardiology
2006 - 2006
Türkiye Higher Specialization Training and Research Hospital, Cardiology Clinic, Ankara,
2001 - 2006
Türkiye Higher Specialization Training and Research Hospital, Cardiology Clinic, Ankara,
1996 - 2001
Türkiye Higher Specialization Training and Research Hospital, Cardiology Clinic, Ankara,
Education
2017 Karabük University, Faculty of Medicine, Department of Cardiology
2006 Türkiye Higher Specialization Training and Research Hospital, Cardiology Clinic
2001 Türkiye Higher Specialization Training and Research Hospital, Ankara, Cardiology
1996 Ankara University, Faculty of Medicine
Experience:
2023 -
Medipol Bahçelievler
2017 - 2023
Özel İstinye Üniv. Gaziosmanpaşa Medical Park Hopspital
2015 - 2017
DPÜ Evliya Çelebi Eğitim ve Araştırma Hastanesi
2012 - 2015
Süleyman Demirel Üniversitesi Tıp Fakültesi
2008 - 2011
Kırıkkale Devlet Hastanesi
2007 - 2007
Elazığ Eğitim ve Araştırma Hastanesi
2007 - 2008
Eskişehir Asker Hastanesi
2005 - 2007
Elazığ Karakoçan Devlet Hastanesi
2001 - 2001
Batman Beşiri İkiköprü Sağlık Ocağı
2001 - 2005
Dicle Üniversitesi Tıp Fakültesi İç Hastalıkları Ana Bilim Dalı
Education:
2015
Süleyman Demirel University Faculty of Medicine, Nephrology
2005
Dicle University Faculty of Medicine, Internal Medicine
2000
Ege University, Faculty of Medicine
Title: Prospective Surveillance Study For Risk Factors Of Central Venous Catheter-Related Bloodstream Infections.
Title: Serum C-Reactive Protein (CRP) Levels And Insulin Resistance In Non-Obese Women With Polycystic Ovarian Syndrome, And Effect Of Bicalutamide On Hirsutism, CRP Levels And Insulin Resistance.
Title: Spontaneous Rupture Of The Spleen In A Hemodialysis Patient.
Title: The Effects Of Viral Cirrhosis On Cardiac Ventricular Function.
Title: Multipl Atrial Thrombus Developing in a Splenectomized Thalassemia Major Patient.
Title: Fenofibrate Treatment In Two Adults With Crigler-Najjar Syndrome Type II.
Title: Hypochromic Microcytic Anemia Presenting with Thalassemia Minor and Lead Intoxication.
Title: The Effects Of Allopurinol On Metabolic Acidosis And Endothelial Functions In Chronic Kidney Disease Patients.
Title: Vaginal Leakage Of Peritoneal Dialysate In A Peritoneal Dialysis Patient.
Title: The Effect Of Biocompatible Peritoneal Dialysis Solutions On Neutrophil To Lymphocyte Ratio.
Title: Utility Of Serum Creatinine/Cystatin C Ratio In Diagnosis Of Kidney Dysfunction In Type 2 Diabetes Mellitus Patients.
Title: The Relationship Between Serum C-Reactive Protein Levels And Insulin Resistance In Non-Obese Women With Polycystic Ovary Syndrome.
Title: The Effects Of Viral Cirrhosis On Cardiac Ventricular Function.
Title: Multipl Atrial Thrombus Developing in a Splenectomized Thalassemia Major Patient.
Title: Hypochromic Microcytic Anemia Presenting with Thalassemia Minor and Lead Intoxication.
Title: The Effects Of Allopurinol On Metabolic Acidosis And Endothelial Functions In Chronic Kidney Disease Patients.
Title: Vaginal Leakage Of Peritoneal Dialysate In A Peritoneal Dialysis Patient.
Title: The Effect Of Biocompatible Peritoneal Dialysis Solutions On Neutrophil To Lymphocyte Ratio.
Title: Utility Of Serum Creatinine/Cystatin C Ratio In Diagnosis Of Kidney Dysfunction In Type 2 Diabetes Mellitus Patients.
Experience
2018 - 2022
Health Sciences University – Şişli Hamidiye Etfal Training and Research Hospital
2016 - 2018
Diyarbakır Memorial Dicle Hospital Cardiology Clinic
2010 - 2010
Dicle University Faculty of Medicine, Department of Cardiology
2010 - 2016
Private Veni Vidi Hospital, Cardiology Clinic Supervisor
2006 - 2010
Dicle University Faculty of Medicine, Department of Cardiology
2005 - 2006
Urfa State Hospital
1999 - 2005
Turkey High Specialization Training and Research Hospital
1998 - 1999
Duruca Health Center
Education
2018
Health Sciences University, Cardiology
2010
Dicle University, Department of Cardiology
2005
Cardiology Turkey High Specialization Training and Research Hospital, Medical Specialization
1998
Ege University, Faculty of Medicine
Experience
1989 - 1990
Diyarbakır Kulp Merkez Sağlık Ocağı
1990
Selçuk University Faculty of Medicine
1995
Konya State Hospital
1995
Selçuk University Faculty of Medicine
1997
600-Bed Golcuk Naval Hospital
1999
Selçuk University Meram Faculty of Medicine
2005
Selçuk University Meram Faculty of Medicine
2011
Selçuk University Selçuklu Faculty of Medicine
2020
Özel Bower Hospital
Education
1994 Selçuk University, Thoracic Surgery
1989 Gazi University, Faculty of Medicine
1989 Gazi University, Faculty of Medicine
Specializations
RIRS (Laser Stone Breaking in the Kidney)
Open-Closed Prostate Surgeries
Urological Cancer Surgeries
Urinary Incontinence Treatment
Infertility Treatment