2020 - Present, Istanbul/Türkiye
MEMORIAL SISLI HOSPITAL
Neurology Specialist
2009 - 2020, Istanbul/Türkiye
PRIVATE SİŞLİ FLORENCE NIGHTINGALE HOSPITAL
Neurology Specialist
2008 - 2008, Sakarya/Türkiye
SAKARYA YENİKENT STATE HOSPITAL
Neurology Specialist
2007 - 2008, Ankara/Türkiye
ANKARA OCCUPATIONAL DISEASES HOSPITAL
Neurology Specialist
2005 - Present, Istanbul/Istanbul/Türkiye
MEMORIAL SISLI HOSPITAL
Neurology Specialist
1982 - Present, Istanbul/Istanbul/Türkiye
CERRAHPAŞA MEDICAL FACULTY
Neurology Specialist
2004 - 2006, Istanbul/Türkiye
AMERICAN HOSPITAL
Neurology Specialist
2002 - 2004, Istanbul/Türkiye
GERMAN HOSPITAL
Neurology Specialist
1980 - 1982, Istanbul/Istanbul/Türkiye
MASLAK MILITARY HOSPITAL
(Military Service), Neurology Specialist
Dr. Sura Celil is a dentist. She graduated from the Faculty of Dentistry at Ankara University in 2010.
Experience: Dentist at OralDent Oral and Dental Health Polyclinic (2010–2012). Dentist at WhiteDent Oral and Dental Health Polyclinic (2010–2012). Dentist at Tacenter Kurtköy Oral and Dental Health Polyclinic (2012–2017).
Dr. Nurettin Demirkol is a physician with expertise in hypertension, hyperlipidemia, thyroid diseases, diabetes, and vascular conditions. He also manages the follow-up of chronic diseases. Dr. Demirkol has strong experience in identifying causes and making diagnoses. He provides advanced care in internal medicine.
He completed his undergraduate and specialization training at Istanbul University, Istanbul Faculty of Medicine. He also earned a master’s degree in Health Management from Okan University. Dr. Demirkol has worked at Hisar Intercontinental Hospital, Kozyatağı Central Hospital, and Istanbul Faculty of Medicine. He has made important contributions to patient care and chronic disease management at these institutions.
Medical Experience
- *2024 - Present*: Memorial Şişli Hospital
Ophthalmology Specialist / Istanbul
- *2022 - 2024*: Liv Hospital Ulus
Ophthalmology Specialist / Istanbul
- *2021 - 2022*: Private Clinic
Ophthalmology Specialist / Istanbul
- *2019 - 2021*: Şişli Hamidiye Etfal Training and Research Hospital
Ophthalmology Specialist / Istanbul
- *2017 - 2019*: Gaziosmanpaşa Taksim Training and Research Hospital
Ophthalmology Specialist / Istanbul
- *2015 - 2017*: Tirebolu State Hospital
Ophthalmology Specialist / Giresun
Medical Education
- *2011 - 2015*: Cumhuriyet University Hospital
/ Sivas / Turkey
- *2000 - 2007*: Gazi University Faculty of Medicine
/ Ankara / Turkey
2018 - Present, Istanbul/Istanbul/Türkiye
MEMORIAL BAHCELIEVLER HOSPITAL
Pediatric Surgery Specialist
2010 - Present, Istanbul/Istanbul/Türkiye
MEMORIAL SISLI HOSPITAL
Pediatric Surgery Specialist
1997 - 2010, Istanbul/Istanbul/Türkiye
ISTANBUL UNIVERSITY CERRAHPAŞA MEDICAL FACULTY
Pediatric Surgery Specialist, Lecturer
1996 - 1997, /Abroad
RED CROSS WAR MEMORIAL CHILDREN'S HOSPITAL
Pediatric Surgery Specialist
1990 - 1996, Istanbul/Istanbul/Türkiye
ISTANBUL UNIVERSITY CERRAHPAŞA MEDICAL FACULTY
Pediatric Surgery Specialist, Lecturer
Dr. Beyza Topcu is an expert in Nutrition and Dietetics. She earned her Bachelor’s degree from Gumushane University (2014-2018). She has worked at Diettherapy Nutrition and Diet Counseling Center, Mestetik Aesthetics and Beauty Center, Estetica Beauty and Aesthetic Center, Academy Fitness, and Zafiran Restaurant.
Dr. Topcu focuses on clinical nutrition, dietary therapy, and wellness programs. She has a strong record of helping patients improve their health. She uses evidence-based methods and provides personalized care. Dr. Topcu is dedicated to promoting better nutrition through effective counseling and practice.
Dr. Serhat Seyhan is a medical genetics specialist. He is the Head Physician at the Genetic Disorders Evaluation Center, Memorial Şişli Hospital in Istanbul. He has also led genetic evaluation centers at Biruni University Hospital and Bakırköy Dr. Sadi Konuk Training and Research Hospital. Dr. Seyhan chaired the Department of Medical Genetics at Istanbul Medipol University.
He completed his medical genetics training at Karadeniz Technical University. He earned his MD from Cumhuriyet University. Dr. Seyhan gained international experience as a short-term scholar at the University of Miami. He is known for his leadership in clinical genetics and his academic work in the field.
Dr. Nihal Durmus Kocaaslan is an Associate Professor of Plastic, Reconstructive, and Aesthetic Surgery at Marmara University. Kocaaslan holds TPRECD and EBOPRAS certifications (2013). Kocaaslan became a Fellow of the American College of Surgeons (FACS) in 2021. Kocaaslan has served as a Forensic Expert at the Ministry of Justice since 2019. Kocaaslan earned a PhD in Forensic Medicine in 2020.
Expertise includes orthognathic, maxillofacial, and jaw surgery, as well as cleft lip and palate and other congenital anomalies. Kocaaslan also specializes in breast and chest wall reconstruction, chronic wound repair, and aesthetic surgery.
International training includes reconstructive microsurgery at RWTH Aachen. It also includes breast, face, and body aesthetics at clinics in the United States and cleft care at Seattle Children’s. Kocaaslan trained in craniosynostosis at Erasmus University Rotterdam and in maxillofacial and orthognathic surgery at St. George’s Hospital. Kocaaslan is a board member of EPCD and active in wound care and cleft associations. Memberships include ACS, ISAPS, the American Cleft Palate Foundation, and AO Craniofacial.
Dr. Volkan Seneger completed medical school at Dokuz Eylül University Faculty of Medicine (2007–2014). He then trained in psychiatry at Göztepe Training and Research Hospital (2015–2019). He worked as a general practitioner at Erzurum Aşkale State Hospital (2014–2015). He practiced psychiatry at Düzce Atatürk State Hospital (2019–2022), Istanbul Pendik State Hospital (2022–2025), and Private Mercan Hospital (2025).
He currently practices at Lokman Hekim Istanbul Hospital (2025–present). He is a member of the Turkish Psychiatry Association and the Turkish Medical Association.
EXPERIENCE
2018 - Present, Istanbul, Turkey
MEMORIAL ATAŞEHİR HOSPITAL
Gastroenterology Specialist
2017 - 2018, Istanbul, Turkey
ULUS LIV HOSPITAL
Gastroenterology Specialist
2013 - 2016, Istanbul, Turkey
MEDICAL PARK BAHÇELİEVLER HOSPITAL
Gastroenterology Specialist
2011 - 2013, Nevşehir, Turkey
NEVŞEHİR STATE HOSPITAL
Mandatory Service
EDUCATION
2008 - 2011, Izmir, Turkey
DOKUZ EYLÜL UNIVERSITY
Gastroenterology Residency Training
2002 - 2007, Istanbul, Turkey
ISTANBUL FACULTY OF MEDICINE
Internal Medicine Residency Training
1994 - 2001, Istanbul, Turkey
MARMARA UNIVERSITY FACULTY OF MEDICINE
Medical Degree
SCIENTIFIC PUBLICATIONS
Numerous national and international articles and publications
PROFESSIONAL MEMBERSHIPS
• Turkish Gastroenterology Association
• Turkish Endoscopy Association
• Turkish Liver Research Association
• Internal Medicine Association
PARTICIPATION IN PROFESSIONAL TRAININGS, COURSES, AND CONFERENCES
Extensive participation in various professional training programs, courses, and congresses
Dr. Koray Tuncer is a gastroenterology specialist at Memorial Şişli Hospital in Istanbul. He has worked there since 2009. He previously served at Private Yunus Emre Hospital from 2003 to 2009.
He earned his MD from Istanbul University, Istanbul Faculty of Medicine (1982–1988). He completed an Internal Medicine residency at SSK Okmeydanı Hospital (1989–1993). He served as Chief Assistant in Internal Medicine at Kartal Training and Research Hospital (1995–1998). He completed gastroenterology fellowships at Haydarpaşa Numune Hospital (1998–1999) and Ege University (1999–2003).
Professional memberships include the Turkish Society of Gastroenterology, the Turkish Association for the Study of the Liver, and the Turkish Medical Association.
He has 5 international and 13 national publications. He has delivered 8 international and 41 national presentations. His additional training includes summer internships at Kantonsspital Aarau (Anesthesiology, 1985) and Kantonsspital Münsterlingen (Internal Medicine, 1987). He regularly attends postgraduate gastroenterology and hepatology courses and national congresses.
2021 - Present, Istanbul/Türkiye
MEMORIAL SISLI HOSPITAL
Associate Professor of Ear, Nose, Throat and Head and Neck Surgery Diseases Specialist
2020 - 2021, Istanbul/Türkiye
İSTİNYE UNIVERSITY LIV HOSPITAL
Associate Professor of Ear, Nose, Throat and Head and Neck Surgery Diseases Specialist
2019 - 2020, Istanbul/Türkiye
GAYRETTEPE FLORENCE NIGHTINGALE HOSPITAL
Associate Professor of Ear, Nose, Throat and Head and Neck Surgery Diseases Specialist
2018 - 2019, Tokat/Türkiye
ISTANBUL TRAINING AND RESEARCH HOSPITAL
Associate Professor of Ear, Nose, Throat and Head and Neck Surgery Diseases Specialist
2013 - 2018, Istanbul/Türkiye
ISTANBUL EDUCATION AND RESEARCH HOSPITAL
Ear Nose Throat and Head and Neck Surgery Diseases Specialist Specialist Doctor
2011 - 2013, Tokat/Türkiye
TOKAT STATE HOSPITAL
Ear Nose Throat and Head and Neck Surgery Diseases Specialist Specialist Doctor
2005 - 2011, Istanbul/Türkiye
ISTANBUL EDUCATION AND RESEARCH HOSPITAL
Assistant Physician
Dr. Tumay Ipekci is a Urology Specialist and Professor. He practices at Memorial Şişli Hospital. He is also a faculty member at Bahçeşehir University, Faculty of Medicine, Division of Urology. Dr. Ipekci has worked at Başkent University and VM Medical Park Maltepe Hospital.
He has published 64 articles in national and international journals. He has given 36 presentations at scientific congresses. Dr. Ipekci is a member of the European Association of Urology (EAU), Turkish Urological Association, and the Turkish World Transplantation Society. He serves on the editorial boards of Urology Research and Practice and the Mediterranean Medical Journal.
2006 - Present, Istanbul/Istanbul/Türkiye
MEMORIAL SISLI HOSPITAL
Pediatric Endocrinology Specialist
2006 - Present, Istanbul/Istanbul/Türkiye
MEMORIAL ATASEHIR HOSPITAL
Pediatric Endocrinology Specialist
2001 - Present, Istanbul/Istanbul/Türkiye
CERRAHPAŞA MEDICAL FACULTY
Head of the Department of Pediatric Endocrinology
1996 - Present, Istanbul/Istanbul/Türkiye
CERRAHPAŞA MEDICAL FACULTY
Founder and Head of Adolescent Science Branch
1993 - 2001, Istanbul/Istanbul/Türkiye
CERRAHPAŞA MEDICAL FACULTY
Member of the Department of Pediatric Endocrinology
1992 - 1993, London/London/England
UNIVERSITY OF LONDON MIDDLESEX HOSPITAL
Visiting Chief Resident of Pediatric Endocrinology and Cellular Endocrinology
1989 - 1992, Istanbul/Istanbul/Türkiye
CERRAHPAŞA MEDICAL FACULTY
Chief Assistant of the Department of Pediatric Endocrinology
1987 - 1989, /Türkiye
MINISTRY OF HEALTH OF THE REPUBLIC OF TURKEY NO.6 AÇSAP
Child Health and Diseases Specialist
1985 - 1987, /Türkiye
MINISTRY OF HEALTH OF THE REPUBLIC OF TURKEY SEREFLIKOCHISAR STATE HOSPITAL
Child Health and Diseases Specialist
Prof. Dr. Nesrin Sarıman graduated from Marmara University Faculty of Medicine (English) in 1990 and completed her specialization in “Chest Diseases and Tuberculosis” at Fatih Sultan Mehmet Training and Research Hospital. She worked at Maltepe University Faculty of Medicine Hospital between from 2004 till 2022, obtaining the titles of associate professor and professor. Her primary areas of interest include; Obstructive Lung Diseases (Asthma-Allergy, COPD), Sleep Disorders (Obstructive Sleep Apnea Syndrome), Lung Cancer, and Smoking Cessation Treatments. She is a bronchoscopy specialist and sleep physician. She has published articles in national and international journals and has authored book chapters. She participated in a multicenter international clinical study on asthma. She has taught undergraduate and graduate courses and supervised master’s theses. She has served as a member of the Clinical Research Ethics Committee. She holds memberships in national and international associations. During the COVID-19 pandemic, she actively participated in COVID-19 services. During her years at Maltepe University Faculty of Medicine, she undertook numerous administrative and academic roles, including serving as the editor of “Maltepe Medical Journal” and as the assistant dean from 2019 till 2022. She participated in certified training programs organized under the Ministry of Health GETAT applications at Medipol University in “Functional Medicine” and “Phytotherapy” and completed training in “Hypnosis Application Training”
Prof. Dr. Ayla Güven graduated from Gazi University Faculty of Medicine in 1986 and completed her mandatory service at Ege University Chest Diseases Bornova Tuberculosis Dispensary. Following that, she started her specialization training in the Department of Child Health and Diseases at Hacettepe University Faculty of Medicine and became a specialist in 1993. After working as a specialist physician, she began her subspecialty training in Pediatric Endocrinology at Gazi University Faculty of Medicine in September 2000 and became a Pediatric Endocrinology specialist in December 2002. In April 2003, she started working as an assistant professor at Ondokuz Mayıs University Faculty of Medicine and worked in the Pediatric Endocrinology and Diabetes Department at the Children’s Hospital of Pittsburgh, USA, between May and November 2003. After returning to Turkey, she continued to work at Ondokuz Mayıs University Faculty of Medicine. This clinic was the first to offer Pediatric Endocrinology subspecialty training in the country. During her time there, one person became a Pediatric Endocrinology specialist. On March 13, 2006, she successfully passed the exam and received the title of Associate Professor. Since December 2006, she has been working at Göztepe Training and Research Hospital. In this hospital, she was appointed as the head of the Pediatric Endocrinology clinic in November 2008 and started providing Pediatric Endocrinology subspecialty training for the first time in the hospital in March 2009. Between 2009 and 2017, she trained five Pediatric Endocrinology specialists. Most of the physicians she currently provides subspecialty training to have gained academic titles as professors and associate professors. After working as a training instructor at Health Sciences University Zeynep Kamil Hospital for Children and Women from 2017 to 2021, she retired at her request from public service. Between 2021 and 2024, she worked as a Pediatric Endocrinology specialist at Başkent University Faculty of Medicine, Department of Child Health and Diseases, at Istanbul Hospital.