Best Doctors in the World

• Education
• Faculty of Medicine: Hebrew University and Hadassah, Jerusalem
• Specialization:
• internal medicine and cardiology.
• Doctoral School of Medicine:
• Hebrew University and Hadassah, Jerusalem
• Clinical experience
• 1994 - 1998 Specialization in Internal Medicine, Hadassah Mount Scopus
• 1999-2001 Internship in Cardiology, Department of Cardiology, Tel Aviv Medical Center
• 2002-2004 - Internship in Invasive Cardiology, Lenox Hill Hospital, New York, USA.
• 2004-2006 Senior physician, Department of Invasive Cardiology, Lenox Hill Hospital, New York, USA
• 2006 Senior physician of the catheterization laboratory of the cardiology department of the Tel Aviv Medical Center
• 2013 Director of the Structural Heart Disease Service, Interventional Cardiology Unit, Department of Cardiology, Tel Aviv Medical Center
• Academic experience
• 1997-1998 Instructor at the Hadassah Medical School on Mount Scopus and the Hebrew University of Jerusalem.
• Attending conferences
• 1999: 18th International Congress of the Israel Society of Anesthesiologists, Haifa, Israel. June 1999.
• 59th Annual Scientific Sessions of the American Diabetes Association, San Diego, USA. June 1999.
• 2000: 22nd Congress of the European Society of Cardiology, Amsterdam, The Netherlands. August 2000.
• 2001: 22nd Annual Scientific Sessions of the North American Society of Pacing and Electrophysiology, Boston, USA. May 2001.
• 2002: 23rd Annual Scientific Sessions of the North American Society of Pacing and Electrophysiology, San Diego, May 2002.
• 2003: American Heart Association Annual Scientific Sessions, Orlando, November 2003.
• 15th Annual Transcatheter Therapy Scientific Sessions, Washington, DC, September 2003.
• 2004: American College of Cardiology Annual Scientific Sessions, New Orleans, March 2004.
• 2005: American Heart Association Annual Scientific Sessions, Dallas, November 2005.
• 2007: 28th Congress of the European Society of Cardiology, Vienna, Austria. September 2007.
• 2009: 6th International Meeting on Intensive Cardiac Care, Tel Aviv, Israel, October 2009.
• 2009: 8th International Congress on Coronary Heart Disease, Prague, Czech Republic, October 2009.
• Professional publications
• Dozens of professional publications and presentations at scientific conferences.

Dr. Mustafa Yavuz Samanci is an Associate Professor of Neurosurgery at Medipol Acıbadem District Hospital in Istanbul. He has specialized training in stereotactic, functional, and pediatric neurosurgery. Dr. Samanci completed a clinical fellowship in Gamma Knife Radiosurgery. He has also finished advanced programs in spinal cord and peripheral nerve stimulation. He received several TÜBİTAK postdoctoral research fellowships and the Prof. Dr. Hakan Caner Overseas Education Scholarship from the Turkish Neurosurgical Society.

Dr. Samanci is an active member of several national and international neurosurgical societies. These include the Turkish Neurosurgical Society, the International Parkinson and Movement Disorder Society, and the European Society for Stereotactic and Functional Neurosurgery. He has served on editorial boards and scientific committees. His work reflects significant contributions to academic neurosurgery and research.

• EDUCATION
• Faculty of Medicine, Tbilisi State Medical University, Georgia
• Internship at Tbilisi Hospital, Georgia
• Internship in intensive care for cardiac pathologies at the Sheba Medical Center, Ramat Gan, Israel
• ATLS Military Medical Training Course
• MEMBERSHIP IN INTERNATIONAL ASSOCIATIONS
• Israel Medical Association
• Israel Heart Association
• European Union of Cardiologists
• American Heart Association
• American Society of Echocardiography
• MAIN AREAS OF SPECIALISATION
• Diagnosis and treatment of cardiovascular diseases
• Heart valve transplantation
• Coronary stenting
• Installation of pacemakers
• Therapy of patients with cardiac pathologies at the pre-hospital stage
• Conducting intensive therapy

Dr. Uri Kramer is a highly experienced pediatric neurologist with a specialty in epilepsy treatment in children, who has been practicing for over 50 years. He is the author of a novel epilepsy alarm-system and has written over 160 scientific papers in pediatric neurology. He is also the former President of the Israel Epilepsy Association and a member of the American and Israeli Pediatric Neurology Societies.

Aviva Fattal-Valevski is an experienced neurologist specializing in the treatment of brain neurogenetic disorders in children. She has been in the field since 1993 and has held various positions at the Sourasky Medical Center since then. She is a member of various medical organizations, such as the Israel Medical Association, the Israel Society of Clinical Pediatrics, and the European Paediatric Neurology Society.

Dr. Irina Stepfansky is an oncologist and internal medicine specialist at Sourasky Medical Center. She has more than 25 years of clinical experience. Since 2015, she has directed the Oncology Hospitalization department. Dr. Stepfansky earned her medical degree from Grodno University in Belarus. She completed advanced oncology training at Tel Aviv Medical Center.

Dr. Stepfansky has been licensed in Israel since 2000. She has led and participated in many phase I-III oncology clinical trials. Her work has helped improve cancer care and patient outcomes. She is recognized for her expertise in both internal medicine and oncology. Dr. Stepfansky has a strong record in research and clinical leadership.

Professor of oncosurgery and proctology

1. Medical Interests and Activities 
2. • Lung Cancer (Postdoctoral fellowship, MD Anderson Cancer Center, Houston, TX, USA)
3. • Interventional Bronchoscopy (Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, MD, USA)
4.  
5. Education and Experience 
6. • Department of Thoracic Diseases, Liv Hospital, Ulus
7. • Faculty of Medicine, İstanbul Bilim University
8. • Ministry of Health Süreyyapaşa Thoracic Diseases Training and Research Hospital
9. • Faculty of Medicine, Marmara University Memberships
10. • IASLC (International Association for the Study of Lung Cancer)
11. • ACCP (American College of Chest Physicians)
12. • TAKD (Turkish Lung Cancer Society) (Executive Board Member)
13. • TTD (Turkish Thoracic Society)
14. • TÜSAD (Turkish Respiratory Research Society)
15.  
16. Memberships 
17. • IASLC (International Association for the Study of Lung Cancer) 
18. • ACCP (American College of Chest Physicians) 
19. • TAKD (Turkish Lung Cancer Society) (Executive Board Member) 
20. • TTD (Turkish Thoracic Society) 
21. • TÜSAD (Turkish Respiratory Research Society) 
22.  
23. Researches and Publications 
24. • International: 48 
25. • National: 60 
26. • Authorship for Books and Book Chapters at National Level: 4 
27. • Medical Fellowship, TEV Orhan Birman, MD 1998 
28. • “Fellow in American College of Chest Physicians” Title, 2009 

Dr. Sefik Igdem is a respected radiation oncologist with 37 years of experience. He is known for his skill in advanced cancer treatments. Dr. Igdem specializes in radiotherapy, intensity-modulated radiation therapy, 3D conformal radiation therapy, and image-guided radiotherapy. He focuses mainly on prostate cancer and head and neck cancers.

Dr. Igdem has played a key role in bringing new technologies and conformal treatments to radiation oncology. He has also completed a retrospective analysis of 600 postmenopausal breast cancer cases. This work shows his commitment to evidence-based care. His broad clinical experience and focus on innovation have made him a leader in his field.

Dr. Zvi Lidar is a renowned neurosurgeon and shoulder replacement orthopedic surgeon certified in Israel and the USA. He specializes in neurosurgery in adults and children and has authored 30+ scientific papers on spinal surgery. He is a member of the American Association of Neurological Surgeons, Israel Neurosurgical Society, Israel Medicine Association, Israel Spine Society, and North American Spine Society.

Duties:

1985 – 1986 Istanbul University Cardiology Institute, Department of Cardiovascular Surgery, General Practitioner

1986 – 1992, Istanbul University Cardiology Institute, Department of Cardiovascular Surgery, Assistant Professor

1993-2012 Vehbi Koç Vakfı Amerikan Hastanesi (Hospital), Department of Cardiovascular Surgery, Specialist Physician

2012-2017 İstanbul Medipol University, Department of Cardiovascular Surgery, Assistant Professor

2017 – 2019 İstinye University LIV Hospital, Department of Cardiovascular Surgery, Assoc. Prof.

2019 – 2024, Freelance Consultant Physician

2024 – Today, Istanbul Florence Nightingale Hospital, Department of Cardiovascular Surgery, Assoc. Prof.

Memberships in Scientific Organizations:

• Turkish Society of Cardiovascular Surgery
• Turkish Society of Pediatric Cardiology and Cardiac Surgery
• Turkish Society of Cardiology

Dr. Ergun Tozkoparan is a pulmonologist with expertise in diagnosing and treating lung diseases. He has a special focus on tuberculosis. He received his medical degree from GATA Military Medical School in 1989. He completed his pulmonology training at GATA, Ankara in 1996.

Dr. Tozkoparan has worked in leading hospitals in Turkey. He also served as a professor at the GATA Department of Pulmonology. He gained further experience in interventional pulmonology during a year at the University of Texas, MD Anderson Cancer Center.

In 2007, Dr. Tozkoparan published research in CCLM. He showed important changes in platelet indices in patients with tuberculosis. This work helped improve how the disease is monitored and managed.

Dr. Saban Sec is a medical oncologist with experience at leading hospitals, including Haseki Training and Research Hospital, Prof. Dr. Cemil Taşcıoğlu City Hospital, and Bahçelievler Medikalpark Hospital. He currently represents specialist physicians in the Turkish Medical Oncology Association. He is also a member of the Istanbul Medical Chamber and the Turkish Medical Oncology Association.

Dr. Sec treats breast, lung, gastrointestinal, prostate, urogenital, head and neck cancers, as well as sarcomas and rare tumors. He has published many peer-reviewed articles on cancer prognosis, treatment outcomes, and survival rates. His research includes studies with large patient groups, such as 138 patients with HER2-positive metastatic gastric cancer. Dr. Sec focuses on prognostic factors and treatment responses in different cancers. He is dedicated to improving cancer care.

Dr. Ozlem Cholak is a Professor and Head of the Department of Plastic, Reconstructive, and Aesthetic Surgery at Demiroğlu University of Science and Group Florence Nightingale Hospitals. She is an expert in microsurgery, breast surgery, body reshaping, and facial aesthetics. Dr. Cholak graduated among the top three students at Kocaeli University Faculty of Medicine. She completed her residency at Ankara Training and Research Hospital.

She has held key academic and clinical positions, including Consultant Specialist at Health Sciences University Okmeydani Training and Research Hospital. Dr. Cholak has also led humanitarian surgical missions in Jordan and Uzbekistan. She received the Second Prize at the Turkish Society of Surgery Congress and the AAEF Surgical Forum in Breast Symposium for her research and clinical presentations.

Cardiologist, Arrhythmologist