Univ.-Prof. Dr. Wolfgang Johannes Köstler is a board-certified specialist for Internal Medicine, Hematology/Oncology, and Intensive Care Medicine who specializes in hematology & internal oncology, intensive care medicine. He is one of the top-rated breast cancer and sarcoma oncologist specialists and has extensive experience in the field and has received degrees from the Medical University of Vienna and the Weizmann Institute of Science. He has also had special training at Memorial Sloan-Kettering Cancer Center and Royal Prince Alfred Hospital.
Professor Drach is a specialist in oncology with a PhD from the Medical University of Vienna. He has experience in research, internal medicine, hematologic oncology, nutrition, and lifestyle in cancer. He is the Director of the Josefstadt Private Clinic in Vienna and a member of the Board of Directors of the Austrian Society of Hematology and Oncology. He has published more than 120 scientific papers and given more than 200 lectures/presentations.
Dr. Viola Fox is the Chief Physician at the Clinic for Haematology, Oncology, and Palliative Medicine at BKZ Solingen. This clinic is a certified interdisciplinary cancer center. Dr. Fox is a leading expert in drug therapy for tumor diseases in Germany and Europe. She has more than 15 years of experience in this field.
She is a member of the German Society of Oncology and Haemato-oncology (GDHO), the German Association of Physicians, and the American Association for Cancer Research. Dr. Fox is also active in molecular biology research. Her work supports progress in cancer treatment and molecular diagnostics.
Her main areas of expertise are chemotherapy, immunotherapy, targeted therapy, and radiation therapy. Dr. Fox is known for her innovative methods and strong commitment to patient care. Her efforts have led to high recovery rates and recognition from her peers.
Dr. Séverine Iborra is the Chief Physician of the Department of Gynecology and Obstetrics at Städtisches Klinikum Solingen. Her responsibilities include obstetrics, the delivery room, the neonatal unit, and gynecology. The department also includes the Senology/Breast Clinic at the Bergisches Breast Center Solingen, led by Dr. Manuela Seifert.
Dr. Séverine Iborra is originally from France. She began her medical studies at the University of Lyon and later transferred to Albert-Ludwigs University in Freiburg, where she received her medical license in 2007. She earned her doctorate in 2008 for experimental research in molecular oncology. From August 2008 to November 2013, Dr. Iborra worked as a resident at the University Women’s Clinic in Freiburg. After passing her specialist exams in gynecology and obstetrics, she continued her career as a specialist at the same clinic. In November 2015, she moved to RWTH University Hospital Aachen as a senior physician.
At the Clinic for Gynecology and Obstetrics, under the leadership of Prof. Dr. E. Stickeler, Dr. Iborra led the obstetrics department from 2017 to 2019. Since December 2017, she was responsible for organizing education in the department, and in October 2019, she became the Managing Senior Physician and Personnel Senior Physician of the clinic, a position she held until she moved to Solingen.
In addition to her scientific work, with numerous publications and presentations at major gynecological conferences, Dr. Iborra deepened her medical specialties. She obtained certifications in oncological diagnostics and therapy from the Gynecological Oncology Working Group, as well as additional qualifications in Cervical Pathology and Colposcopy (AGCPC), Urogynecology and Pelvic Reconstructive Surgery (AGUP), and the Professional Association of Gynecologists (BVF).
In 2019, Dr. Iborra successfully completed further specialization in “Gynecological Oncology” and “Special Obstetrics and Perinatal Medicine.” She is an active member of leading German medical societies in her field, including the German Society for Gynecology and Obstetrics, the Cervical Pathology and Colposcopy Working Group, and the German Society for Prenatal and Birth Medicine.
Treatments Offered in Our Gynecology Department
Whenever possible, we offer all procedures as minimally invasive treatments using laparoscopy or the Da Vinci robotic system.
Dr. Semih Ak is an Orthopedics and Traumatology Specialist. He earned his MD from Yeditepe University Faculty of Medicine in Istanbul (2010–2016). He completed his residency at Istanbul Fatih Sultan Mehmet Training and Research Hospital (2017–2022).
He works as a specialist at Turan&Turan Musculoskeletal Health Center in Bursa (2025–present). He previously worked at Private Medicabil Hospital in Bursa (2024–2025) and at Artvin State Hospital as part of compulsory service (2022–2024). Earlier, he was a general practitioner at Ümraniye Training and Research Hospital (2017). He also worked at Sultanbeyli Community Health Center (2016).
Specialist in Neurology
Head of the Advanced Neurosciences Unit – Quirónsalud
Head of the Neurology Service
Hospital Universitario de Torrevieja (2018 – 2021)
Led a multidisciplinary neurology team with a focus on patient-centered care, especially for neurodegenerative disorders.
Head of Neurology Service
Hospital Clínica Benidorm (2017 – 2018)
Oversaw diagnostic and therapeutic services in general neurology, epilepsy, and movement disorders.
Consultant Neurologist
Hospital General Universitario de Alicante (2017 – 2018)
Specialized in inpatient and outpatient neurology services, actively participated in teaching and research.
Consultant Neurologist
Hospital de Manises, Valencia (2016 – 2017)
Focus on epilepsy and complex neurological diagnostics.
General Practitioner
Baghavatula Charitable Trust (BCT), Vishakapatnam, India (2012 – 2016)
Provided healthcare services in underserved rural communities, gaining valuable experience in global medicine.
Medical Degree
Universidad Autónoma de Madrid (UAM) (2005 – 2011)
Neurology Residency (MIR Program)
Hospital General Universitario de Alicante (2012 – 2016)
Postgraduate Specialization in Movement Disorders
Universidad Oberta de Catalunya (2019 – 2020)
Postgraduate Specialization in Clinical Research
Chair UAM-Abbvie (2020 – ongoing)
Master in Healthcare Management
UDIMA - Universidad a Distancia de Madrid (2020 – ongoing)
Master in Clinical Neurology
Universidad Francisco de Vitoria (2020 – ongoing)
Member of the Valencian Society of Neurology (SVN)
Member of the Spanish Society of Neurology (SEN)
Publications:
"Creutzfeldt-Jakob Disease – Heidenhain Variant" – Presented at the 66th Meeting of the Spanish Society of Neurology (2015)
"Sleepwalking or Epilepsy?" – Presented at the 39th Annual Meeting of the Spanish Society of Neuropediatrics (2016)
Conferences & Courses:
Epilepsy Hospital Stage Course – Hospital La Princesa, Madrid (2020)
Updates on Parkinson’s Disease and Movement Disorders – Movement Disorder Society, 2019
American Epilepsy Society Annual Meeting – Baltimore, USA (2019)
Prof. Luigi Massimo Zagra is the Head of the Hip Surgery Department I at the IRCCS Istituto Ortopedico Galeazzi in Milan.
He is the visiting professor at the School of Specialization in Orthopaedics and Traumatology of the University of Milan.
Prof. Zagra has performed more than 5,000 major orthopaedic operations.
Mainly focused on hip surgery including complex primary, revision (25% of cases), conservative surgery, osteotomies, and pediatric hip diseases arthroplasty.
He performs hip replacement surgery daily for osteoarthritis, particularly in cases of congenital dysplasia, developmental and post-traumatic malformations, rheumatoid arthritis, necrosis in young and old patients, needing special implants to prevent any possible complications.
Dealing with problems with previously placed implants, in particular material wear and tear, such as in metal-on-metal or old-generation polyethylene prostheses, painful, loose, unstable, infected prostheses, using tissue-safe and non-invasive methods and the latest ceramic and titanium implants, including cemented ones.
He is currently Chairman of the Scientific Committee of the European Hip Society and the Italian Hip Society, as well as a member of the Executive Committee of EFORT, of International Committee of the American Association of Hip and Knee Surgeons and of the Scientific Committee of the Italian Arthroplasty Registry.
He is author and co-author of 130 articles published in national and international journals, as well as invited specialist and speaker at over 500 congresses in Italy and abroad.
Dr. Victor Alexander Krol - Chief of Gastroenterology, Internal Medicine and Obesity Treatment Center at Martinus Hospital
Dr. Victor Alexander Krol is a highly qualified specialist, heading the departments of gastroenterology and internal medicine. With many years of experience and deep knowledge in his field, Dr. Krol has established himself as an outstanding expert, providing patients with comprehensive treatment and an individual approach. He actively uses the latest methods of diagnosis and treatment of diseases of the gastrointestinal tract, metabolism, as well as diseases of the cardiovascular and respiratory systems.
Dr. Krol is also the director of the certified Obesity Treatment Center at Martinus Hospital, which provides surgical and endoscopic treatments for obesity. The center uses advanced technology to diagnose and treat obesity (adiposis), including methods such as bariatric surgery, endoscopic weight loss, and specialized programs for patients with different stages of obesity. The center is certified to high standards and has excellent results in the treatment of this serious disease.
The Gastroenterology Department, headed by Dr. Krol, diagnoses and treats diseases of the stomach, intestines, liver, pancreas, and gallbladder. The doctors of the department use a wide range of methods, including endoscopic procedures, ultrasound, and other modern diagnostic technologies.
The Department of Internal Medicine covers a wide range of diseases, including cardiology, diabetology, infectology, and therapy of respiratory and renal diseases. Dr. Krol and his team provide a comprehensive approach to treatment using the most advanced methods of medicine.
Thanks to his high professionalism and humane approach to each patient, Dr. Krol deservedly enjoys the respect of colleagues and patients.
Lee Ji Hyun, MD, is a breast and thyroid surgeon. Dr. Lee is Head of Breast and Thyroid Surgery at Naeun Hospital. Clinical focus includes benign breast disease, breast cancer, and tumor surgery. Additional areas include benign thyroid disease, thyroid cancer, and parathyroid disorders. Skills include Mammotome procedures, axillary node management, and breast and thyroid ultrasound.
Education and training: Yonsei University College of Medicine. Internship and general surgery residency at Yonsei University Severance Hospital. Short-term clinical training at the Affiliated Hospital of the Cancer Research Institute in Japan.
Key roles: Chief of General Surgery at Incheon Christian Hospital and General Surgery Specialist at Cheil Hospital. Director of the Breast Center and Chief of the Department of Surgery at Samsung Cheil Hospital. Chief of General Surgery and Deputy Director of Clinical Services at Cheil Hospital. Outpatient Professor of Surgery at CHA Gangnam Medical Center, CHA University. Chief of General Surgery at Daejeong Hospital.
Dr. Pongtep Na Nakorn is a specialist in sports medicine. He focuses on shoulder and knee arthroscopic surgery.
Accreditations: Doctor of Medicine, Faculty of Medicine, Prince of Songkhla University (2007). Orthopedic Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University (2016). Sports Medicine, Faculty of Medicine, Thammasat University (2017).
Membership in societies:
Expert of scientific journals
Close co-operation with leading surgeons
Membership of the German Medical Association
Specialities:
Introduction of new and modern techniques in the field of oncological surgery
General and visceral surgery
Minimally invasive surgery
Gastrointestinal oncology surgery
Oncological surgery
Haemorrhoids treatment
Additional clinical specialisation in minimally invasive and hernia surgery
Surgery and transplantation of the pancreas
Work Experience:
2005: Specialist in the field of surgery
2008: Appointed Senior Consultant specialising in pancreatic surgery and transplantation
2010: Coordinator of the Pancreatic Cancer Centre (Oncocert)
2013: Specialist in visceral surgery
2014: Managing Senior Physician, additional clinical specialisation in minimally invasive and hernia surgery
2019: Chief Surgeon of the Colorectal Cancer Centre Bochum (the first certified colorectal cancer centre in Germany and one of the first certified leading colorectal centres in Europe)
2021: Chief Surgeon of the Department of Surgery at the Academic Hospital Solingen
Thanks to the professor and his team, the department has been modernised by introducing modern surgical methods of treatment and especially improved methods of post-operative recovery. The Department of Surgery at the Solingen Clinic is now further expanding its focus on minimally invasive surgery in the direction of robotics. The clinic has allocated a huge budget for the purchase of state-of-the-art equipment in order to offer patients a full range of surgical methods for the treatment of benign and malignant diseases of the oesophagus, lungs, stomach, liver, pancreas and intestines according to current guidelines and using the most modern technical equipment.
Professor Schenker is an active researcher and lecturer. He lectures at medical universities and organises seminars and workshops for colleagues. He cooperates closely with the Cancer Centre, the Pancreatic Cancer Treatment Centre, the Intestinal Cancer Treatment Centre and the Interregional Trauma Centre.
Dr. med. Sven Rogmans is an experienced Orthopaedic and Joint Replacement Surgeon with over 28 years in clinical practice. He treats osteoarthritis using both conservative and surgical methods. He is skilled in minimally invasive hip joint replacement and manages lower limb periprosthetic fractures.
Dr. Rogmans graduated from Ruprecht-Karls-Universität in Heidelberg, Germany. He is known for his advanced arthroscopic surgery for sports injuries. He has published many articles in national and international medical journals, showing his dedication to research and progress in orthopaedics.
License (MD)
Field: Medicine
University: Istanbul University
Year: 1987
Residency
Field: Cardiovascular Surgery
Institution: Siyami Ersek Heart Center
Years: 1988–1994
Clinical Fellowship
Field: Cardiovascular Surgery
Institution: University of Ottawa Heart Center (Canada)
Years: 1994–1995
Assistant Professor
Field: Cardiovascular Surgery
Institution: Siyami Ersek Heart Center
Years: 1995–2008
Professor
Field: Cardiovascular Surgery
Institution: Altınbaş University
Years: 2014–2019
Membership in Scientific and Professional Organizations
-Turkish Society of Cardiovascular Surgery
-European Society for Cardiovascular Surgery
-European Society for Vascular Surgery
Prof. Emin Tireli, MD, is a leading pediatric cardiovascular surgeon. He has performed over 6,329 congenital cardiac surgeries since 1993. He is known worldwide for being one of the first to use the complex Nikaidoh procedure for transposition of the great arteries (TGA).
Dr. Tireli performs more than 100 neonatal cardiac surgeries each year. His expertise includes arterial switch operations, total pulmonary return anomalies, pulmonary banding, and Norwood procedures. He has used hybrid techniques in 15 cases. Dr. Tireli has also completed 30 reconstructions of aortic anomalies and many PDA ligations in extremely low birth weight infants. His work greatly supports neonatal care.