Best Doctors in the World

Dr. Choi Jun is a board-certified surgeon. He graduated from Soonchunhyang University Faculty of Medicine. He is a member of the Korean Society of Hair Restoration Surgery, the Korean Society of Aesthetic Plastic Surgery, and the Korean Association of Laser, Dermatology and Trichology.

Dr. Choi has held leading roles at The Black Hair Transplant and MOJELIM Hair Transplant. He has extensive experience in hair restoration and aesthetic procedures. His clinical work and professional memberships show his dedication to advanced hair transplantation and plastic surgery techniques.

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

Dr. Nattaradee Kiatprungvech, MD

M.D.,Dip of thai Board of Urological Surgery.

Certificate of Diploma in Sexual Medicine, Thammasat University. 

Certificate of Sex Therapy, Thammasat University.

Certificate of Fellowship in cosmetic gynecology, International Society of Aesthetic Genital Surgery and Sexology (ISAGSS), Dubai, United Arab Emirates

2014 : Faculty of medicine, Prince of Songkhla University

2022 : Diploma of Thai Board of Urology,  Faculty of Medicine Ramathibodi Hospital,  Mahidol University.

2022 : Laparoscopic Surgery of the Upper Urinary Tract, AUSTeg, Thai Urological Association.

2023 : Diploma in Sexual Medicine, Thai Association for Clinical Sexology and Sexual Medicine, Thammasat University.

2023 : Fellowship in cosmetic gynecology, International Society of Aesthetic Genital Surgery and Sexology (ISAGSS), Dubai, United Arab Emirates

2024 : Advanced Course for Sex Therapy Certificate, Thai Association for Clinical Sexology and Sexual Medicine, Thammasat University.

2023 : American Board of Cosmetic Gynecology, American Aesthetic Association.

2023 : Congresses on Dermatology and Aesthetic & Plastic Surgery, IMCAS ASIA

2023 : Cosmetic Gynecology Conference and Hand-on Work Shop, Ramathibodi Hospital 

Doctor of Osteopathy from National University of Medical Sciences – Registration S1702131.

Bachelor of science in Osteopathy from National University of Medical Sciences – Registration S1702131.

Certified from “Union of Thai Traditional Medicine Society” – Registration 112460.

Acupuncturist – Certified by Chinese Republic and signed by Notary – Registration 140013.

Member of the International Osteopathic Association (IOA).

Official representative of Osteopathy Chronic Pain Clinics of Canada (OCPCC) in Phuket – Thailand.

Gonstead Chiropractic techniques (inc Knee chest table).

Diploma in Osteopathic & Chiropractic full course online.

Certified Emergency first responder + CPR & AED (valid until 12/2026)

Member of the Swiss Medical Register (RME) – Registration B330879.

Member of the Association of Swiss Health Insurances - Registration 6178.

Certified in Chinese Pharmacology.

Certified in Chinese Psychiatric.

Certified in Chinese Nutrition.

Core Specializations

Oncology:

Head and neck tumors

Thyroid cancer

Personalized biological and immunotherapy

Treatment of recurrent cancer and spinal metastases

Radiotherapy

Education

1998 — Graduated from the Faculty of Medicine at the Hebrew University (Jerusalem, Israel).
2016 — Six-month advanced training course in radiosurgery with a special focus on modern methods of focused radiotherapy for spinal and malignant thyroid tumors at Memorial Sloan Kettering Cancer Center (New York, USA).

Professional Experience

1998–1999 — Internship at Hadassah University Hospital (Jerusalem, Israel).
1999–2005 — Specialization in the Department of Otolaryngology and Head & Neck Surgery at Rabin Medical Center (Petah Tikva, Israel).
2005–2009 — Specialization in oncology and radiotherapy at the Davidoff Cancer Center (Rabin Medical Center).
2006–2008 — Fellowship at the University of Michigan (Ann Arbor, USA) in multidisciplinary cancer treatment.
2008 — Fellowship in head and neck tumor brachytherapy at Beth Israel Medical Center (New York, USA).
2009–2012 — Head of the Head and Neck Oncology Clinic at the Davidoff Cancer Center.
2013–2019 — Chief of the Head and Neck Oncology Division and Deputy Head of the Radiotherapy Department at the Davidoff Cancer Center.
Since 2019 — Director of the Oncology Department and Sharett Cancer Institute at Hadassah University Hospital.

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.

Dr. Cagri Canbolat is a neurosurgeon. He specializes in neuro-oncological surgery, skull base surgery, neurovascular surgery, minimally invasive spinal surgery, oncological spinal surgery, pediatric neurosurgery, neuro-trauma, and neuro-intensive care. He completed his medical education and neurosurgery training at Cumhuriyet University Faculty of Medicine from 2005 to 2018.

Dr. Canbolat has contributed to research on the therapeutic effects of Etanercept and Ustekinumab in spinal cord injury models. He has also studied the genetics of neural tube defects. His publications include work on primary central nervous system lymphoma and surgical outcomes in elderly patients with intracranial meningioma. He has analyzed 228 cases in these studies.

He has worked at Liv Hospital Vadistanbul, Memorial Service Hospital, Acıbadem Maslak Hospital, and Vezirköprü State Hospital.

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. 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. Ugur Taskin is a specialist in interventional cardiology. He treats conditions such as high cholesterol, heart valve diseases, heart failure, and coronary artery disease. He received his medical degree from Ankara University Faculty of Medicine.

Dr. Taskin worked at Celal Bayar University Faculty of Medicine from 2009 to 2014, where he gained valuable experience. He is a member of the Turkish Society of Cardiology and the Izmir Medical Chamber. These memberships show his dedication to high standards in cardiology.

Dr. Omer Ayten is a chest diseases specialist. He has expertise in interventional bronchoscopy, endobronchial ultrasonography, diffuse parenchymal lung diseases, and chronic obstructive pulmonary diseases. He earned his medical degree from Gülhane Military Medical Academy Faculty of Medicine. He completed his specialization in chest diseases at Gülhane Military Medical Academy Haydarpaşa Education Research Chest Diseases Clinic.

Dr. Ayten has worked as a specialist doctor at Van Military Hospital and Gülhane Military Medical Academy. He later joined Sultan Abdulhamit II Han Training and Research Hospital. In 2023, he served there as Associate Professor and Education Officer.

Dr. Baha Zengel is a general surgeon with expertise in breast, gallbladder, thyroid diseases, and hernia repairs. He graduated from Ege University Faculty of Medicine in 1990. In 2004, he earned a doctorate in Basic Oncology from Dokuz Eylül University. He became an Associate Professor of General Surgery in 2014 through the Inter-University Board.

Dr. Zengel is skilled in advanced surgical procedures. His experience includes skin and breast-conserving mastectomy, oncoplastic breast surgery, laparoscopic cholecystectomy, sentinel lymph node biopsy, and ROLL/SNOLL techniques. He has held important positions at Izmir Bozyaka Training and Research Hospital, including Education Officer.

He is a member of several professional associations. He serves on the Board of Directors of the Aegean Region Surgery Association and is a founding board member of the Basic Oncology Association.

Dr. Ela Simay Zengin is a neurologist. She completed her medical training at Dokuz Eylül University, Başkent University, and Acıbadem University. She has worked at Bitlis Tatvan, Sirnak, and Cizre State Hospitals.

Dr. Zengin treats Alzheimer’s disease, epilepsy, migraines, multiple sclerosis, Parkinson’s disease, and stroke. She uses advanced treatments, including apomorphine pump therapy, botulinum toxin injections, and migraine vaccines.

She is a member of the Turkish Neurology Association, American Academy of Neurology, European Academy of Neurology, and International Parkinson and Movement Disorder Society.

Dr. Ulvi Samadzade is a neurologist with training from Azerbaijan State Medical University, Gazi University, and Dokuz Eylul University Hospital. He diagnoses and treats neurological disorders such as Alzheimer’s disease, epilepsy, movement disorders, stroke, migraine, and multiple sclerosis.

Dr. Samadzade uses advanced treatments, including botulinum toxin injections, intravenous immunoglobulin (IVIG) therapy, migraine vaccines, and plasmapheresis. He practices at İzmir University of Economics Medical Point Hospital.

He is a member of several professional organizations. These include the Multiple Sclerosis Research Association, Turkish Neurological Society, European Academy of Neurology, and the International Parkinson and Movement Disorder Society (MDS).

Dr. Evren Sandal is a specialist in Brain and Neurosurgery. He completed his medical degree at Ege University Faculty of Medicine. He finished his neurosurgery training in 2015. Dr. Sandal focuses on skull base, craniocervical junction, and neurovascular surgery. He has extensive experience in these fields.

Dr. Sandal has worked at the Health Sciences University Tepecik Training and Research Hospital. He also contributed to laboratory and clinical studies in skull base and cerebral bypass surgery at the University of Wisconsin, USA. He has collaborated with experts such as Prof. Dr. M. Sedat Çağlı and Prof. Başkaya. These experiences have strengthened his skills in complex neurosurgical procedures.

Dr. M. Reşat Arpacı graduated from the İzmir Dokuz Eylül University Faculty of Medicine in 2000 and began his career as an Emergency Physician in Sakarya. His interest in aesthetic medicine gradually led him to focus solely on hair transplantation. He received his initial training in this field at prestigious clinics in Turkey and abroad.

In 2002, he obtained a Micrograft Hair Transplantation Certification from the International Society of Hair Restoration Surgery (ISHRS) in Berlin, gaining the authority to perform hair transplants using the FUT technique. That same year, he earned a Biofibre Synthetic Hair Transplantation Certification through the Milan Hair Transplant Institute and established hair restoration clinics in Kuşadası and İzmir, Turkey. Between 2004-2005, he received a Medical Aesthetic License from the Flavius Aesthetic Training Center, approved by the Turkish Ministry of Health.

In 2006, he began using the FUE technique and perfected his skills through extensive work with this method. He also had the opportunity to train with Dr. Bessam Farjo, one of the world's leading hair restoration surgeons. In 2007, he invented and patented a unique FUE micromotor technique that allows hair restoration surgeons to work with a maximum number of hair grafts. From 2008-2011, he served as the founder, president, and chief trainer of a Beauty and Aesthetic School accredited by the Ministry of National Education in İzmir.

In 2010, he moved his hair transplantation practice to Istanbul, where he has been leading various high-profile hair transplant centers in the city. He has worked at several clinics across Turkey and served as the Head of the Hair Transplantation and Hair Health Center. As of August 2024, he continues his career as a hair transplant surgeon at Smile Hair Clinic.

EDUCATION

2008 Istanbul University Istanbul Faculty of Medicine

2013 Kartal Dr. Lütfi Kırdar Training and Research Hospital Ophthalmology

EXPERIENCE

2015 - 2022 - Bolu Izzet Baysal State Hospital

2022 – Medipol University Pendik Hospital

PUBLICATIONS

1. Ender A, Gunes A, Kandemir B, Calisir K, Kalayci M, Genc O, Ozerturk Y.

Evaluation of the Cornea and Anterior Chamber Morphologic Changes After Penetrating Keratoplasty in Patients With Keratoconus. Eye Contact Lens. 2017 Jul;43(4):236-239. doi: 10.1097/ICL.0000000000000260. PMID: 27058826.

1. GENÇ, Oğuzhan; BULUT, Nurullah; ENDER, Abdulkadir. Keratoplasty surgery indications and surgical techniques. J Kartal TR, 2012, 23: 61-4.

1. CALIŞIR, K., KALAYCI, M., ENDER, A., YAVUZ, L., & DEMİR, A. (2016). Nd:YAG Laser

The Effect of Posterior Capsulotomy on Macular Thickness. Journal of Kartal Training & Research Hospital/Kartal Training and Research Hospital Medical Journal, 27(1).

1. Genc, O., Kubaloglu, A., Gunes, AS, Cinar, TK, Bulut, N., Evcili, PS, & Ender, A. (2012). Keratometric values change after Descemet's stripping automated endothelial keratoplasty. The Journal of Kartal Training and Research Hospital, 23(3), 137-143.

Experience

On his return from London, he organized and directed the Arrhythmia Unit of the Cardiology Service of the University Hospital Nuestra Señora del Pino in Las Palmas until 2000.

He later became Deputy Director of the Arrhythmia Department and Director of the Electrophysiology Laboratory at the Jimenez Diaz Foundation in Madrid.

Professor of Cardiology at the Autonomous University and Director of the North American Society of Pacing and Electrophysiology (Heart Rhythm Society) Fellowship Program, positions he held for 6 years before moving to the Quironsalud University Hospital of Madrid in 2006.

Dr. Cabrera has been head of the cardiology department at the Quironsalud University Hospital of Madrid since its opening in 2006.

Since January 2013, he has also been Head of the Cardiology Department at the Ruber Juan Bravo Hospital Complex and, in 2022, Head of Service at the new Olimpia Center.

He is a professor at the European University of Madrid, where he heads the Department of Clinical and Fundamental Translational Cardiology.

Qualification

Doctorate in Medicine and Surgery from the Faculty of Medicine of the University of Granada. From 1994 to 1996 he completed postgraduate training as an interventional cardiologist in the Arrhythmia Unit (Cardiac Electrophysiology Laboratory) of the Jiménez Díaz Foundation in Madrid.

Senior Research Fellow. National Heart and Lung Institute. Royal Brompton. Paediatric Heart Morphology under the direction of Prof. Robert H. Anderson in London (UK) in 1997.

Research and Teaching

Member of the Spanish Society of Cardiology, SEC Arrhythmia Section, European Society of Cardiology, Arrhythmia Working Group, European Heart Rhythm Association, North American Society of Pacing and Electrophysiology.

He serves on numerous committees for the selection and monitoring of fellowships and research projects of various national and international cardiology and cardiac arrhythmia societies.

Reviewer of articles for publication in the most relevant journals in the specialty. Journal of the Spanish Society of Cardiology, Heart Rhythm, Journal of Cardiovascular Electrophysiology, PACE, Europace, Heart Circulation, Journal of the American College of Cardiology, Electrophysiology of Circulation, Journal of Interventional Cardiovascular Electrophysiology.

Member of the European Society of Cardiology

Member of the Arrhythmia Working Group

European Society of Cardiology

Member of the Arrhythmia Section of the Spanish Society of Cardiology.

Member of the European Society of Cardiology (FESC)

Member of the European Heart Rhythm Association.

Member of the Selection and Control Committee of the Spanish Society of Cardiology. Post-Residency Research Training Fellowships 2001-2002/2002-2003.

Evaluator and member of the selection committee for research, technological development and innovation projects of the Government of Extremadura. Ministry of Education, Science and Technology (2001-2004).

Member of the Spanish research group. Integrated Action Programme between Spain and the United Kingdom. Directorate General of Higher Education and Research (reference HB 1998-0030). Project title: Anatomical study of the cavities of the human heart and its application to clinical electrophysiology.

Member of the Spanish research group. Integrated Action Programme between Spain and Austria. Directorate General for Higher Education and Research (reference HU 1999-0002). Project title: Electromorphological analysis of the terminal crest and posterior pectineus muscle. Its importance as a morphological substrate in different types of supraventricular tachycardias.

Participation in the clinical commission and protocol of the study AZIMILIDE versus SOTALOL on programmed cardioversion in patients with atrial fibrillation. 2001-2003.