Dr. Walter Klepetko is a Professor and Head of the Division of Thoracic Surgery at MedUni Vienna and Vienna General Hospital. He is an expert in thoracic surgery, lung transplantation, surgery for bronchial carcinoma, and pulmonary hypertension.
He founded one of the world’s largest lung transplant programs. His team performs over 100 lung transplants each year. In 2018, Dr. Klepetko led the team that performed Niki Lauda’s lung transplant. He is a former president of the European Association for Cardio-Thoracic Surgery. He also serves on the board of the American Association for Thoracic Surgery.
Dr. Klepetko has received the Grand Decoration of Honor for services to the Austrian Republic. He was also awarded the City of Vienna Prize for Medical Sciences for his medical and scientific contributions.
Read moreDr. Stefan Marlovits is a specialist in traumatology, sports injuries, and regenerative medicine. He focuses on musculoskeletal injuries, cartilage repair, and pediatric trauma. He leads the Center for Cartilage and Orthobiology Regeneration at Döbling Private Clinic. Dr. Marlovits is also a Professor at Vienna Medical University.
He serves on the board of the International Society for Cartilage Regeneration and Joint Preservation (ICRS). He also heads the Austrian Society for Cartilage Traumatology. Dr. Marlovits has treated thousands of patients, including top athletes. He is known for using advanced regenerative therapies to speed up recovery and improve mobility. His work in both clinical care and research has raised standards in orthopedic and sports medicine.
Read moreDr. Josef Grohs is an experienced orthopedist who specializes in spine surgery. He has over 30 years of clinical practice. He received his medical degree from the University of Vienna in 1986. He also completed advanced training in clinical examination, manual medicine, and clinical monitoring. Dr. Grohs holds a habilitation in orthopedics and has been a certified orthopedic surgeon since 1998.
He is the Chair of AO-Spine Austria and serves on the Advisory Board of the Austrian Spine Society. He was President of the society from 2009 to 2011. Dr. Grohs has performed surgeries in several countries. He is a core reviewer for the Spine Society of Europe and has published many articles in his field. His leadership and knowledge have improved orthopedic and spine care in Austria and internationally.
Read moreDr. Sebastian Schoppmann is an expert in general and visceral surgery. He specializes in upper gastrointestinal procedures. He leads the Gastroesophageal Tumor Unit at the Comprehensive Cancer Center Vienna. He also heads the gastric and esophageal surgery team at the Medical University of Vienna.
Dr. Schoppmann has published over 240 scientific articles. He is the General Secretary of the Austrian Society of Surgical Oncology. He has served as editor or associate editor for several respected medical journals. He is known for his achievements in surgical oncology and cancer research.
Read moreDr. Irene Marthe Lang is a cardiologist and professor at the Medical University of Vienna. She specializes in vascular surgery. Dr. Lang introduced a new method for widening narrowed pulmonary vessels in Austria. She also leads research teams in cardiopulmonary medicine and vascular interventions.
Dr. Lang is an expert in pulmonary arterial hypertension, vascular resistance, and hemodynamics. She received an honorary order for her service to the Republic of Austria. Her work has advanced research in vascular biology and myocardial regeneration.
Read moreProfessor Marek Ehrlich is a cardiac surgeon at University Hospital Vienna. He has led the hospital’s aneurysm program since 2010. He graduated from the Medical University of Vienna and specializes in cardiac surgery. He has also trained internationally at Stanford, Birmingham, Houston, and Mount Sinai Hospital in New York.
Dr. Ehrlich has published over 100 scientific articles on aneurysm surgery. He has led research in neuroprotection and endovascular techniques. He has received several international awards for his work. Dr. Ehrlich often speaks at major global conferences. He is fluent in English and Polish.
Read moreProfessor Daniel Zimpfer is a cardiac and vascular surgeon with expertise in congenital heart diseases. He leads the Department of Surgery for Congenital Heart Diseases. Since 2012, he has also served as the medical director of the mechanical circulatory support program.
Dr. Zimpfer holds an MBA in Health from WU Vienna. He completed advanced surgical training at Harvard Medical School. He is a member of several national and international cardiovascular societies. He also serves on steering committees and reviews for leading journals in his field.
Read moreDr. Josef Grohs is an experienced orthopedist who specializes in spine surgery. He has over 30 years of clinical practice. Dr. Grohs earned his medical degree from the University of Vienna. He also holds diplomas in Clinical Investigation and Manual Medicine. He received his specialist diploma in Orthopaedic Surgery in 1998 and completed his habilitation in 2006.
Dr. Grohs has served as Deputy Chief of the Spine Unit at the Medical University of Vienna. He has chaired AO-Spine Austria since 2015. From 2009 to 2011, he was President of the Austrian Spine Society. Dr. Grohs has performed surgeries in several countries, including Ghana and Kenya. He is known for his work in orthopedic education and research. He is active in both European and Austrian spine societies.
Read moreDr. Arnulf Ferlitsch is a specialist in internal medicine, gastroenterology, and hepatology. He completed his medical studies in Vienna in 1998. He continued his training at top institutions, including UCLA and the University of Pennsylvania. From 2000 to 2010, he focused on internal medicine, gastroenterology, hepatology, and intensive care.
Dr. Ferlitsch has received several research awards, such as the UEGW Best Abstract Award (2003, 2005, 2008, 2009, 2010, 2012), the Ferring Prize, and the Skoda Prize. He founded the hepatic hemodynamics laboratory and the liver cirrhosis outpatient clinic at the Medical University of Vienna. Since 2018, he has led the Department of Internal Medicine I at the Hospital of the Barmherzigen Brüder in Vienna.
Read moreDr. Irene Marthe Lang is a leading cardiologist and vascular surgeon at Vienna General Hospital (AKH). She is also a Professor at the Medical University of Vienna. Dr. Lang introduced Austria’s method for widening narrowed pulmonary vessels. She leads research in cardiopulmonary medicine, hemodynamics, and vascular interventions.
Dr. Lang graduated with highest honors, “sub auspiciis praesidentis.” She received national recognition, including an honorary order for her services to Austria in 2016. She leads research teams and manages a modern catheter laboratory. Dr. Lang is known for her work in pulmonary hypertension, vascular biology, and myocardial regeneration.
Read moreDoctor's visit | price on request |
Chemotherapy | $985 |
Dr. Umut Dogu Akturk is an experienced neurosurgeon with over 10 years in the field. He studied at Hacettepe University Faculty of Medicine. He completed his neurosurgery residency at Diskapi Yildirim Beyazit Training and Research Hospital.
Dr. Akturk has held key positions at several hospitals, including Diskapi Yildirim Beyazit Training and Research Hospital Neurology Clinic, Yozgat City Hospital, and Private Lokman Hekim Akay Hospital. He now practices at Emsey Hospital. He is known for his skill in complex neurosurgical procedures and his dedication to improving patient care.
Read moreDoctor's visit | price on request |
Lung cancer surgery | $12500 - $24000 |
Vertebral plastic | $5456 |
Shoulder replacement | $14000 - $19000 |
Dr. Tamer Tekin is a neurosurgeon who specializes in spinal trauma, degenerative spine diseases, and minimally invasive spine surgery. He received his medical degree from Gülhane Military Medicine Faculty in 1999. He completed his neurosurgery residency in 2007. Since 2011, Dr. Tekin has worked in private healthcare in Istanbul. He performs advanced procedures such as laser discectomy, kyphoplasty, disc replacement, and complex spine reconstruction.
Dr. Tekin is known for his skill in treating spine tumors and infections. He is accredited for his innovative surgical techniques. He has managed thousands of spinal cases and has made important contributions to neurosurgery and spinal care.
Read moreDr. Kamran Aghayev is a neurosurgeon with over 23 years of experience. He specializes in complex brain and spine surgeries. Dr. Aghayev has performed more than 5,000 successful procedures. He is known for creating new surgical techniques, including the Posterior Upper Rib Excision & Decompression (PURED) method for Thoracic Outlet Syndrome.
Dr. Aghayev holds several US patents for spinal surgery devices. He has published more than 50 scientific papers. He treats brain tumors, hydrocephalus, AVMs, pituitary adenomas, and spinal conditions such as herniated discs, scoliosis, and spinal tumors.
Read moreDoctor's visit | price on request |
Herniated disc surgery | $13750 - $21900 |
Prof. Dr. Birol Baytan is a respected pediatric hematologist. He focuses on diagnosing and treating childhood cancers, leukemia, anemia, and bleeding disorders. He graduated from Ankara University Medical Faculty in 1992. He completed his specialization at Uludağ University Faculty of Medicine, Department of Child Diseases.
Prof. Baytan has published 15 articles in international journals. He has presented and published 9 full texts at international scientific meetings. He has contributed to 3 books or book chapters. He has also published 8 articles in local journals. These achievements show his strong academic presence in pediatric hematology.
Read moreDoctor's visit | price on request |
Lung cancer surgery | $12500 - $24000 |
Vertebral plastic | $5456 |
Shoulder replacement | $14000 - $19000 |
Dr. Ahmed then, traveled to the Italian city of Modena to prepare the Fellowship of Interventional Cardiology and Endovascular therapy from the University of Modena and Reggo Emelia, where he was appointed as a lecturer for postgraduate students, in Interventional Cardiology. Then he traveled to Milan, Italy, in 2012 to prepare a fellowship in structural heart diseases.
The Journey continues to the Japanese city of Tokyo in the year 2013 to start training in the field of chronic total coronary oclusions and complex interventions. Finally, he returned to Cairo in 2013, where he obtained a doctorate degree in the field of cardiovascular medicine from Ain Shams University.
Member of the European Heart Association since 2007.
Dr. Ahmed attended many international medical conferences and was a lecturer in several important international forums.
He contributed to publishing important books, articles and medical research in international magazines.
Dr. Sangiorgi graduated in Medicine and Surgery in 1990 from the University of Rome “Tor Vergata”.
He then specialized in Cardiology at the same University in 1990. He held the role of Fellow in Interventional Cardiology and Research Associate at the Haemodynamics Laboratory of the Mayo Clinic and Foundation in Rochester (USA) from 1991 to 1998.
Back in Italy, he became Assistant at the Cardiovascular Interventional Radiology Laboratory of the San Donato Polyclinic Institute from 1998 to 2002, while from 2003 to 2009 he was Co-Director at the Columbus Heart Center and the Hemodynamics Laboratory of the San Raffaele Hospital in Milan. Between 2009 and 2011 he worked as Head of the Hemodynamics Laboratory of the Modena Polyclinic, while in the following three years he worked at the Casilino Polyclinic in Rome. Since 2014 he has been part of the GVM group and works at various private and accredited facilities throughout the country. Dr. Sangiorgi has been a confirmed Researcher since 1998, and in 2010 he obtained the qualification to Associate Professor of Cardiology at the University of Padua. He is Professor of Cardiovascular Pathology at the School of Specialization in Pathological Anatomy of the University of Tor Vergata and Contract Professor for the Peripheral Interventional Course at the Department of Vascular Surgery of the University of Sassari. He is also the author of 270 works in national and international journals, 50 book chapters and approximately 900 abstracts .
Education and Training
Associations and Scientific Societies
Scientific Activity
Dr. Sangiorgi's scientific activity mainly concerns the pathology and physiopathology of the cardiovascular sy, with particular reference to coronary and carotid atherosclerotic disease and restenosis after interventional procedures. Furthermore, Dr. Sangiorgi has constantly dealt with issues related to interventional cardiology with particular reference to the medium and long-term results of the use of various platforms of implantable medical devices.
In carrying out these activities he used anatomo-pathological, histochemical and ultrastructural methods. He also dedicated himself particularly to morphometric techniques applied to cardiovascular pathology.
Since September 1993 he has had the opportunity to dedicate himself, at the Mayo Clinic in Rochester (USA), in the Laboratory of Experimental Interventional Cardiology directed by Dr. Robert Schwartz, to the study of the morphology, physiopathology and pathology of restenosis and vascular remodeling mechanical revascularization interventions.
His research focuses on the following main themes:
The research carried out mainly concerned the development of new methods:
In particular, his studies concerned:
Dr. Giuseppe Sangiorgi has also participated in the following Research Projects in competition of the National Research Center, National Committee for Biological and Medical Sciences:
Professional Assignments
Research Activities Abroad
Scientific Awards and Recognitions
Editorial and Corporate Assignments
Awards and Recognitions
In 1998 he received the third prize as “ Young Researcher ” from the American Heart Association for the discovery of cellular apoptosis in aortic valves in patients affected by aortic stenosis and the first prize from the Italian Society of Cardiology as “Young Researcher” for the discovery of a new serum marker for the risk of STROKE in December 2001.
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Op. Dr. Ahmet Kurtulmuş graduated from İzmir Private Turkish College in 1986. He completed his medical education at Dokuz Eylül University Faculty of Medicine. Between 1992 and 1996, he specialized in Orthopedics and Traumatology at İzmir Atatürk Hospital. Between 2000 and 2006, Dr. Ahmet Kurtulmuş operated his own private clinic at the same time, where he managed his patients and performed surgeries at an affiliated private hospital with which he had an agreement. Due to unchanged regulations during that period, he was also able to work at a state hospital in addition to managing his private clinic and conducting surgeries at the affiliated private hospital. From 1997 to 2012, he continued his career as a chief resident at the same hospital. Between 2012 and 2021, he worked at Bozyaka Training and Research Hospital. After retiring from public service in 2021, he worked at Özel Ege Yaşam Hospital and Özel Ege İnci Surgical Medical Center. Since 2023, he has been practicing medicine in his private clinic. He is proficient in English. Married and a father of two, he is a member of the Turkish Society of Orthopedics and Traumatology and the Turkey Sports Injuries Arthroscopy and Knee Surgery Association.