SURGERY OF THE GLANDS · VIENNA 2026
Speakers
Dr. Abdul Ahmed
Dr. Abdul Ahmed is an oral and maxillofacial surgeon and reconstructive head and neck surgeon at London North West University Healthcare NHS Trust. He holds honorary appointments at Queen Mary University of London and University College London, and is an honorary professor at BAM&DC in Multan. He has worked as a consultant for more than ten years, using 3D planning, augmented reality and robotics. He publishes widely on microsurgery and head and neck surgery and leads international courses and training programs.
Dr. Chieh-Han John Tzou, MD, PhD
Prof. Dr. Chieh-Han John Tzou studied medicine at the Medical University of Vienna, where he also completed his residency in Plastic, Reconstructive and Aesthetic Surgery. He then spent a year and a half as a microsurgery fellow at Chang Gung Memorial Hospital in Taiwan. Today he is Associate Professor of Plastic Surgery at Sigmund Freud University Vienna. At Krankenhaus Göttlicher Heiland Wien he heads aesthetic and reconstructive facial surgery as well as reconstructive lymphatic surgery, and coordinates the International Fellowship Program Surgery. His research covers facial palsy, nerve reconstruction, microvascular reconstruction and reconstructive lymphatic surgery.
Prof. Dr. Christos Perisanidis, DMD, PhD, MD
Prof. Dr. Christos Perisanidis completed his dental degree at Aristotle University of Thessaloniki in 1996 and his medical degree at the University of Ioannina in 2002. He trained in oral and maxillofacial surgery at the “Evangelismos” University Hospital in Athens until 2006. From 2008 he worked at the University Clinic of Oral and Maxillofacial Surgery of the Medical University of Vienna, where he became Associate Professor in 2013. In 2014 he earned his doctorate at the National and Kapodistrian University of Athens and took over the leadership of a clinical team. From 2016 he headed the Clinical Division of Oral and Maxillofacial Oncology and Microsurgery. Since 2018 he has been Professor and Director of the Clinic of Oral and Maxillofacial Surgery at the National and Kapodistrian University of Athens. His research focuses on microvascular reconstruction of the face and on new biomarkers in head and neck tumors.
Dr. Stefan Grasl, MD, PhD
Dr. Stefan Grasl studied medicine at the Medical University of Innsbruck and completed his residency in Otorhinolaryngology, Head and Neck Surgery at the Medical University of Vienna. Most recently he completed a clinical fellowship in head and neck surgery at South Infirmary Victoria University Hospital in Cork (Ireland), a national reference center for head and neck oncology. His focus is on the oncological and functional outcomes of surgical treatment for head and neck cancer.
Dr. Georg Zettinig, MD, PhD
Dr. Georg Zettinig is a specialist in nuclear medicine with a focus on the thyroid. He graduated in medicine from the University of Graz in 1994, completed his residency in nuclear medicine in Vienna from 1998 to 2002, and qualified as a university lecturer (Habilitation) in 2003 with a thesis on chronic autoimmune thyroiditis. Since 2006 he has run a private practice for thyroid disease in Vienna. He has written several well-regarded textbooks and a patient guide, and has contributed to national and international guidelines. He is a founding member of the Austrian Thyroid Society and has been on the organizing committee of the “Österreichischer Schilddrüsen-Dialog” since 2014, the largest thyroid conference in Austria.
Prof. Dr. Maria Grosheva, MD, PhD
Dr. Maria Grosheva completed her residency in Otorhinolaryngology at the University Hospital of Cologne. She earned her doctorate in 2006 with a thesis on facial nerve regeneration and became a board-certified specialist in 2011. Her focus areas are diseases of the major salivary glands, facial nerve disorders and plastic and aesthetic procedures. Since 2015 she has headed the certified Head and Neck Tumor Center at CIO Köln–Bonn, with a focus on ENT oncology and salivary gland tumors. In the same year she qualified as a university lecturer (Habilitation), and in 2020 she was appointed adjunct professor. She teaches, supervises doctoral theses and holds additional qualifications in diving medicine, botulinum toxin therapy and plastic surgery.
Dr. Claudia Lill, MD, PhD
Dr. Claudia Lill is a specialist in Otorhinolaryngology and deputy head of the Head and Neck Institute at Evangelisches Krankenhaus Wien. She studied at the Medical University of Vienna and specializes in surgery of the paranasal sinuses and the salivary glands. She completed her PhD in 2013. She has published numerous peer-reviewed papers and is active on national and international professional bodies and in international surgical collaboration projects.
Dr. Slavisa Tubin, MD, PhD
Dr. Slavisa Tubin is a specialist in radiation oncology. He works at Danube Private University and is Visiting Professor at the Albert Einstein College of Medicine in New York. Until 2024 he was Director of Clinical Radiobiology and Co-Scientific Director at the MedAustron Center for Particle Therapy and Research in Wiener Neustadt. He completed his medical studies and residency in radiation oncology at Sapienza University of Rome. He specializes in modern radiotherapy, in particular stereotactic photon therapy and particle therapy with protons and carbon ions. He is especially interested in immune-mediated effects such as the bystander and abscopal effects in oligometastatic or unresectable tumors. He leads several international clinical and preclinical studies and chairs the ESTRO Focus Group for unconventional radiotherapy techniques.
Dr. Matthias Leonhard, MD, PhD
Dr. Matthias Leonhard, born in 1976, studied medicine at the Medical University of Vienna and completed his residency in 2014. He then specialized in phoniatrics. Since 2017 he has worked at the Division of Phoniatrics and Speech-Language Pathology of the Medical University of Vienna. His research covers biofilms on medical implants and neurolaryngology. He has published numerous peer-reviewed papers and coordinates several national and international research projects.
Dr. Nina Sitt
Dr. Nina Sitt studied medicine and completed her residency in neurosurgery at Johann Wolfgang Goethe University in Frankfurt am Main. Today she works as a neurosurgeon and as a clinical specialist in intraoperative neuromonitoring (IOM) at inomed Medizintechnik GmbH. She also teaches in training and continuing education, mainly on neuromonitoring in brainstem and spine surgery. In this way she combines work in the operating room with neurophysiological monitoring to make surgery safer and improve outcomes.
Dr. Rudolf Seemann, DMD, MD, PhD, MBA
Dr. Rudolf Seemann heads the Department of Oral and Maxillofacial Surgery at Evangelisches Krankenhaus Wien. He studied medicine, dentistry and computer science at the University of Vienna. Clinically, his work covers tumor surgery, trauma surgery, orthognathic surgery, implantology and complex reconstructions. He is also Visiting Professor of Oral and Maxillofacial Surgery at Sigmund Freud Private University Vienna. He has published numerous peer-reviewed papers and book chapters.
Dr. Raza Hussain
Dr. Raza Hussain is a consultant in oral and maxillofacial surgery and reconstructive head and neck surgery at Shaukat Khanum Memorial Cancer Hospital in Lahore (Pakistan). He leads the Head and Neck Fellowship Program there and is Vice President of the Pakistan Head and Neck Society. For more than 20 years he has treated complex head and neck cancers, with a particular commitment to good care even where resources are limited. He trains physicians, leads courses with live surgery and regularly lectures on oral cancer screening. His work appears in international peer-reviewed journals.
Dr. Muhammad Faisal
Dr. Muhammad Faisal is a consultant in oral and maxillofacial surgery and reconstructive head and neck surgery at Shaukat Khanum Memorial Cancer Hospital in Lahore. He serves as Clinical Supervisor in Head and Neck Oncology for the EACMFS. As Co-Director of the Head and Neck Fellowship Program, he trains the next generation of surgeons. His research addresses treatment outcomes in head and neck cancer, and his work is widely cited in the field. He takes part in multicenter studies and works closely with centers abroad.
Prim. Priv.-Doz. Dr. Boban M. Erovic, MD, PhD, MBA
Dr. Boban M. Erovic studied medicine at the University of Vienna. He completed his PhD in 2006 and his residency at the University Clinic of Otorhinolaryngology, Head and Neck Surgery of the Medical University of Vienna in 2007. He then spent two years as a fellow in microsurgical reconstruction at the University of Toronto (until 2011). From 2011 to 2013 he also completed an MBA at WU Vienna. From 2013 he was Associate Professor at the Medical University of Vienna and led the Head & Neck group, focusing on microvascular reconstruction after tumor surgery in the head and neck region. Since 2018 he has been Head of the Institute for Head and Neck Diseases at the Evangelical Hospital Vienna.