Page 38 - Treatment in Istanbul (Turkey)

Ibrohim Saduakhassov is a Patient Consultant and Medical Interpreter at Men's Health Clinic. He has 5 years of experience in international patient coordination and healthcare communication.

He speaks Russian, English, Kazakh, and Turkish at a native level. He supports the full care pathway, from the first consultation and treatment planning to surgery and postoperative follow-up. He ensures clear and accurate communication between patients and the medical team. He plays a key role in the clinic’s global patient services.

Professor of Pediatric Cardiology. Pediatric Cardiology Specialist at Memorial Ataşehir (2024–present) and Memorial Göztepe (2025–present). Co‑founding faculty member and Director of the Pediatric Cardiology Angiography Units at Başakşehir Çam & Sakura City Hospital (2020–2024).

Authored over 100 international and over 50 national papers. Citations exceed 1,200, with an H‑index of 16. Gave over 100 international and over 700 national presentations. Contributed to 3 translations and 7 chapters. Awards include 6 national and 1 international. Ranked second in Türkiye on the 2017 National Pediatric Cardiology Board exam. Vice Chair of the Interventional Cardiology Working Group (2019–2024). AEPC member. Training includes Arkansas Children’s PICU (2010), non‑fluoroscopic interventions at Fuwai (2018), and LVAD (2023). Since 2018, has performed over 250 pediatric interventional angiography procedures on missions.

Dr. Ebru Yilmaz is a Nuclear Medicine Specialist in the Department of Nuclear Medicine at İstanbul Florence Nightingale Hospital. She received her MD from Ankara University in 2000. She completed her nuclear medicine residency at Istanbul University in 2010. She worked at Istanbul University as a Research Assistant from 2005 to 2010 and as a Specialist from 2010 to 2020.

Her expertise includes PET/CT with 18F-FDG and other 18F tracers, and 68Ga-labeled peptides in oncology. She provides systemic and local radionuclide therapy. She performs brain PET/CT for epilepsy and dementia. She is experienced with VIZAMYL PET/CT (18F-flutemetamol) for amyloid imaging. She interprets DaTSCAN (123I-ioflupane) for dopaminergic assessment.

She worked as a Nuclear Medicine Specialist at İstanbul Florence Nightingale Hospital from 2020 to 2021 and from 2025 to the present. She also served at Medicana International Istanbul Hospital from 2021 to 2025.

Dr. Mehmet Semih is a cardiology specialist at Memorial Göztepe Hospital (2025–present). He previously served as a specialist at Koşuyolu High Specialty Training and Research Hospital (2024–2025) and Sivas Numune Hospital (2023–2024). He completed his cardiology residency at Istanbul University Cerrahpaşa (2018–2023). He earned his MD at Istanbul University (2006–2012).

He is a member of the Turkish Society of Cardiology, the European Society of Cardiology, and the European Heart Rhythm Association. He has delivered oral case presentations at EHRA and TKD congresses. He also completed the TKD Bifurcation Lesions Management Course and the TKD Echocardiography Symposium.

Dr. Tolga Sinan Guvenc is a cardiologist at Memorial Göztepe Hospital (2025–). He previously worked at VM Medical Park Pendik (2019–2025) and at Dr. Siyami Ersek Thoracic and Cardiovascular Surgery Training and Research Hospital (2014–2018).

He has authored over 200 scientific articles and book chapters. He serves on the Editorial Board of Scientific Reports.

He is a Fellow of the ESC Heart Failure Association. He is also a member of the Turkish Society of Cardiology, the European Society of Cardiology, and Sigma Xi.

Advanced training includes a clinical fellowship in the Advanced Heart Failure Unit at the University of Alberta. He also served as a visiting scientist at the Echocardiography Station at the University of Alabama at Birmingham. Education: MD, Istanbul University Cerrahpaşa (English). Cardiology residency, Dr. Siyami Ersek.

Dr. Muslim Sahin is a cardiology specialist at Memorial Göztepe Hospital (2025–present). He previously worked at VM Medical Park Pendik Hospital (2018–2025), Kartal Koşuyolu High Specialty Training and Research Hospital (2010–2018), Kartal Yavuz Selim State Hospital (2007–2010), and Kayseri Military Hospital (2006–2007).

He completed his cardiology residency at Maltepe University Faculty of Medicine (2001–2005). He earned his MD from Istanbul University Cerrahpaşa Faculty of Medicine (1995–2001).

He is a member of the Turkish Medical Chamber, the Turkish Society of Cardiology, the EuroCTO Club, and the European Society of Cardiology. He has completed training in TAVI, MitraClip, and renal denervation.

Dr. Ahmet Ekmekci is a cardiology specialist at Memorial Göztepe Hospital in Istanbul, since 2025. He earned the title of Associate Professor of Cardiology (Doçent) in 2014.

He served as Chief Assistant in Cardiology at Dr. Siyami Ersek Training and Research Hospital in 2010. He completed his cardiology residency at the same hospital in 2009. He finished his internal medicine residency at the Istanbul Faculty of Medicine from 2002 to 2007. He received his MD from Istanbul University, Istanbul Faculty of Medicine, in 2002.

He is a member of the Turkish Society of Cardiology, the European Society of Cardiology, and the European Heart Failure Association (Gold Member). He is also a member of the Istanbul Internal Medicine Association, the Stem Cell and Cellular Therapies Association, the Istanbul Medical Chamber, and the Turkish Medical Association. He served on the Board of the Turkish Society of Cardiology Heart Failure Working Group in 2016.

Dr. Haluk Caglar Karakaya is a specialist in cardiovascular surgery at Memorial Göztepe Hospital in Istanbul (2025–). He previously worked as a specialist at the University of Health Sciences Sancaktepe Şehit Prof. Dr. İlhan Varank Training and Research Hospital (2022–2025). He completed residency training at the University of Health Sciences Dr. Siyami Ersek Thoracic and Cardiovascular Surgery Training and Research Hospital and at Ankara University. He earned his MD from Hacettepe University (English program).

Professional memberships: European Society for Cardiothoracic Surgery (EACTS), European Society for Vascular Surgery (ESVS), Turkish Society of Cardiovascular Surgery, National Society of Vascular and Endovascular Surgery.

Continuing education: 27th European Vascular Course (2024); Cardiac Memorial Robotic/Minimally Invasive Cardiac Surgery Summit (2024); 18th Turkish Cardiovascular Surgery Congress (2024); 24th ASVS Congress (2023); TKDCD Endovascular Course (2023); “Grey Areas in Vascular Surgery” Symposium (2023); Basic and Advanced Doppler Ultrasonography Course (2023).

Dr. Berrak Beyoglu Oruc is a specialist in obstetrics, gynecology, and IVF at Memorial Göztepe Hospital (2025–). She previously worked at Bahçeşehir University Medical Park Göztepe Hospital and Ağrı Training and Research Hospital. She also served as a research physician in gynecologic oncology at Bologna University S. Orsola (2022).

Accreditations and key training include: Certified ART Clinical Training, American Hospital (2025); GESEA MIGS Level 1 – European Certified Minimal Invasive Gynaecological Surgeon (2024). She also completed the Harvard Women’s Health and Menopause Course (2025), ESGO ORSI Robotic Surgery (2022), ESGO Masterclass (2022), and TMFTP Second Trimester Ultrasound (2024).

Awards: First prize, oral presentation—Transperineal Ultrasonography in Predicting Operative Delivery (13th Maternal–Fetal Medicine and Perinatology Congress, 2023). Third prize—Aortic Dissections (2016). Memberships: ISUOG, ESGE, MIJID, TJOD.

Dr. Isik Okuyan is an obstetrics and gynecology specialist at Memorial Göztepe Hospital in Istanbul (2025–present). He previously worked at Şanlıurfa Training and Research Hospital (2023–2025). He completed his OB/GYN residency at SB University Istanbul Training and Research Hospital (2019–2023). He earned his MD from Mersin University (2011–2017).

His credentials include GESEA Level 1 in Gynecological Endoscopy (Marseille, 2024). He presented a video and a poster at the 33rd ESGE Congress (2024). He is a member of the Turkish Medical Association, the Turkish Society of Gynecology and Obstetrics, and ESGE. He took part in meetings from 2022 to 2025, including ISON and national gynecology congresses.

Dr. Aygul Aliyeva Onen is a specialist in obstetrics and gynecology at Memorial Göztepe Hospital (2025–present). She previously worked at Medical Park Göztepe (2023–2025) and at Celal Bayar University Hafsa Sultan Hospital (2018–2023). She completed her obstetrics and gynecology residency at Celal Bayar University Faculty of Medicine (2018–2023). She graduated from Azerbaijan Medical University (2010–2016) and completed an observership at Ege University (2017).

Professional memberships include the Istanbul Medical Chamber, the Turkish Society of Gynecology and Obstetrics, and the Pelvic Floor and Cosmetic Gynecology Association. Additional training includes Current Approaches in Cosmetic Gynecology (TJOD Izmir); CCI HADYEK Laparoscopic Gynecologic Surgery; Sexual Health Federation—Vaginismus and Dyspareunia; the 1st–3rd International Pelvic Floor and Cosmetic Gynecology Congresses; and the TJOD Obstetric Simulation Course.

Dr. Fatih Gumus is a Cardiovascular Surgery Specialist at Memorial Göztepe Hospital (2025–present). He previously served at Memorial Ankara (2023–2025) and Bartın State Hospital (2018–2022). He completed his Cardiovascular Surgery residency at Ankara University (2013–2018). He was a Clinical Fellow at Johns Hopkins University in 2010. He observed Vascular Surgery at the Cleveland Clinic in 2014. He earned his MD from Hacettepe University (English program, 2005–2012).

He has authored five peer-reviewed papers on minimally invasive valve surgery, right heart and LVAD assessment, and DVT therapy. He is a member of EACTS, ISMICS, MIRC, the Turkish Society of Cardiovascular Surgery, and the Turkish Society of Vascular Surgery. He served as faculty at the 19th ICCVS. He gave oral talks at EACTS 2017, ISMICS 2018, and UIP 19th.

Dr. Deniz Goren is a specialist in internal medicine and hematology at Memorial Göztepe Hospital (Istanbul). Dr. Goren previously worked at Memorial Şişli, Istanbul Florence Nightingale, and Eskişehir Yunus Emre State hospitals.

Dr. Goren served as an associate professor at Demiroglu Bilim University from 2020 to 2024 and earlier as an assistant professor from 2017 to 2020. Dr. Goren completed a hematology subspecialty at Eskişehir Osmangazi University. Dr. Goren completed an internal medicine residency and earned an MD at Ankara University. Dr. Goren later completed a postdoctoral fellowship at Harvard Medical School and the Joslin Diabetes Center.

Awards include TÜBİTAK 2219, the Turkish Hematology Association Young Participant and Fuat Aydınlı Young Researcher awards, and the SOHO Young Investigator Grant. Dr. Goren has published 32 international and 14 national peer‑reviewed articles and delivered 88 presentations. Dr. Goren completed the EBMT International Transplant Course, the Lymphoma Master Class, and the Advanced Life Support Course.

Professor of Thoracic Surgery (2013–present). Thoracic Surgery Specialist at Memorial Göztepe (2025–present) and Memorial Ataşehir (2024–present), Istanbul. Former Chair, Department of Thoracic Surgery, Marmara University School of Medicine (2018–2024).

MD, Marmara University (1993). Completed thoracic surgery residency in 2000. International training at Marie Lannelongue Hospital, Paris (2000–2008). Further training at Toronto General Hospital, Thoracic Surgery & Lung Transplantation Clinic (2013), and UC San Diego, Pulmonary Endarterectomy & Lung Transplant Clinic (2013).

Publications in the European Journal of Cardio-Thoracic Surgery, Annals of Thoracic Surgery, and Thoracic and Cardiovascular Surgeon. Topics include pulmonary endarterectomy (PEA) for chronic thromboembolic pulmonary hypertension (CTEPH) (2013) and massive hemorrhage after PEA (2012). They also cover PEA in Behçet’s disease (2018), sleeve lobectomy (2007), and surgery for T4 non–small cell lung cancer over 25 years (2008).

Dr. Nezih Onur Ermerak is a Thoracic Surgery Specialist at Memorial Göztepe Hospital (2025–). He previously worked in the Department of Thoracic Surgery at Marmara University (2009–2025). He also served at Kilis State Hospital during compulsory service and war surgery (2015–2017).

He completed a Thoracic Surgery fellowship at Washington University in St. Louis (2019–2020). He then completed a Thoracic & Esophageal Surgery fellowship at Dalhousie University (2020–2022). He held a visiting fellowship at Universitätsspital Bern (2011–2012). He finished his residency at Marmara University (2009–2015).

He is President of the Turkish Society of Chest Wall Deformities and Pectus. He served on the Organizing Committee of CWIG 2023 in Istanbul. He completed MI-STARs (2020), MITS (2019), CITI (2024), and KOÇ Laboratory Animal Use certification (2025). He attended the AATS 103rd meeting (2023) and European Thoracic Surgery conferences (2024 and 2025).

Dr. Ferhat Yakup Suceken is a Urology Specialist at Memorial Göztepe Hospital in Istanbul (2025–present). He previously held the same role at Ümraniye Training and Research Hospital (2017–2025), Tekirdağ Saray State Hospital (2015–2017), and Ceylanpınar State Hospital (2013–2015).

He completed his urology residency at the University of Health Sciences, Ümraniye Training and Research Hospital, Department of Urology (2007–2013). He earned his MD from Kocaeli University Faculty of Medicine (2001–2007).

Professional memberships include the Turkish Urological Association and the Urological Surgery Association.

Professional training: Laparoscopy Course on Pig Model; Robotic Surgery Course; Penile Prosthesis Surgery Course; PCNL Live Surgery Course; Flexible URS Course.

Dr. Eldaniz Mammadli is a Neurosurgery Specialist at Memorial Göztepe Hospital in Istanbul (2025–present). He completed a neurosurgery residency at Marmara University (2019–2025). He earned his MD from Atatürk University (2013–2019).

He is a member of EANS and the Congress of Neurological Surgeons (CNS). He completed observerships with Prof. Hugues Duffau in Montpellier (2023) and Prof. Michael Lawton at the Barrow Neurological Institute (2024).

He attended WSSFN 2022 and EANS Vascular 2024. He trained at the Yasargil Microneurosurgery Academy in 2024 and 2025. He joined the MGB Neurosurgery Spine Symposium in 2025. He also attended the Turkish Neurosurgical Society Congresses (2020–2023) and skull base and spine cadaver courses in Istanbul (2022–2023).

Dr. Zeynep Kabalcı Holtoft is a specialist dentist focused on oral health and implantology. She practices at Memorial Göztepe Hospital and at her private clinic in Istanbul. She was a Specialist at Liv Hospital Vadistanbul. She served as Medical Director and Implantology Specialist at Spain Dental Care in Dubai. She owned DentalSpa Clinic in Istanbul. She also worked as an Aesthetic Dentist at Italian Dental Clinic in Dubai and Italy.

Education and accreditations: She earned a bachelor’s degree in dentistry from Gazi University in 2007. She completed further training at the Faculty of Dentistry at Goethe University from 2015 to 2017. She is a member of the Turkish Dental Association, the Dubai Health Authority, the Dubai Healthcare Association, and the Goethe University MOL Alumni Association.

Advanced training: Cadaveric anatomical training in Vienna in 2017. Digital implant solutions and complication management in Dubai in 2018. Hard‑tissue grafting with autogenous bone in Frankfurt in 2018. Hands‑on implant training and personalized smile design certification. Beginner and advanced botulinum toxin courses in 2020.

Dr. Buse Cagla Ari, MD, is an Associate Professor of Neurology. She specializes in Parkinson’s disease and other movement disorders, headache disorders, sleep disorders, and dementia. She works at Istanbul Medipol University and the Parkinson’s Disease and Movement Disorders Center (PARMER). She previously served as an Assistant Professor at Bahcesehir University.

Her research focuses on Parkinson’s disease biomarkers, cognition, uric acid and cholesterol associations, restless legs syndrome, and complex headaches. This includes a 13-patient case series. She has published 15 international and 4 Turkish papers and 5 book chapters. Her work has 147 citations on Google Scholar (h-index 5) and 91 citations on Web of Science (h-index 5).

She is a member of the International Parkinson and Movement Disorders Society, the International Headache Society, and the Turkish Parkinson’s Disease Society. She serves as a peer reviewer for SAGE Open Medical Case Reports, BMC Neurology, and Parkinsonism & Related Disorders.