L'un des meilleurs cancérologues d'Europe, éducateur et chercheur en cancérologie, président du Groupe coopératif d'oncologie d'Europe centrale (CECOG).
A publié plus de 600 articles scientifiques sur le traitement du cancer.
Dr. Klaus Kaczirek is a senior physician at the University Clinic for Surgery, Medical University of Vienna. He specializes in general and visceral surgery. He is known for his skill in hepatobiliopancreatic, oncological visceral, and endocrine surgery. His main focus is on complex operations involving the liver, pancreas, gastrointestinal tract, and endocrine organs.
Dr. Kaczirek holds board certifications in both general and visceral surgery. Since 2008, he has led the liver, gallbladder, and pancreas working group at the Austrian Society for Surgical Oncology. He is a member of the Austrian Society for Surgery, the European Society of Endocrine Surgeons, and other international surgical organizations. Dr. Kaczirek also reviews articles for leading medical journals and has helped advance surgical oncology and endocrine surgery.
Dr. Hossein Taghizadeh is a highly regarded Austrian specialist in internal medicine, hematology, and medical oncology, known for his compassionate approach and commitment to personalized cancer care. With extensive experience in treating solid tumors and blood cancers, he represents a new generation of oncologists who integrate scientific progress with empathy and precision.
He studied medicine at the Medical University of Vienna, graduating in 2016, and began his residency in internal medicine and oncology shortly thereafter. His academic and clinical training at leading Austrian cancer centers equipped him with deep expertise in systemic cancer therapy, hematologic diseases, and palliative medicine.
2010–2016 – Studied medicine at the Medical University of Vienna.
2018 – Began residency in internal medicine and medical oncology, focusing on individualized treatment strategies.
2020s – Specialized in solid tumors, hematologic malignancies, and targeted therapy, contributing to multidisciplinary oncology care.
Today – Practices as an oncologist at Oncodoc and Wiener Privatklinik, providing diagnostics, systemic treatment, and follow-up for patients with gastrointestinal, urogenital, and hematologic cancers.
Dr. Taghizadeh’s clinical interests include gastrointestinal tumors, pancreatic and biliary cancers, genitourinary malignancies, and hematologic neoplasms. He works with advanced diagnostic tools and modern systemic therapies, including chemotherapy, targeted therapy, and immunotherapy.
Known for his calm professionalism, integrity, and patient-centered communication, Dr. Taghizadeh places great emphasis on evidence-based medicine and emotional support throughout the treatment journey. His work reflects a modern, holistic approach to oncology — one that values both medical excellence and the human experience behind every diagnosis.
Wolfgang Johannes Köstler est un spécialiste certifié en médecine interne, hématologie/oncologie et médecine des soins intensifs, spécialisé en hématologie et oncologie interne, médecine des soins intensifs. Il est l'un des spécialistes du cancer du sein et du sarcome les mieux classés et possède une vaste expérience dans ce domaine. Il est diplômé de l'Université médicale de Vienne et de l'Institut scientifique Weizmann. Il a également suivi une formation spéciale au Memorial Sloan-Kettering Cancer Center et au Royal Prince Alfred Hospital.