Prof. Alexander Loizides, MD, PhD Alexander Loizides is an associate professor of radiology and the deputy head of the Department of Interventional and Endovascular Radiology at the Medical University of Innsbruck, where he completed his specialization with a focus on musculoskeletal and interventional sonography. His habilitation thesis focused on peripheral nerve sonography.

Prof. Loizides is the author and co-author of numerous articles published in international journals, as well as several books. He is the editor of the books Nerve Sonography (2018) and Sonographic Peripheral Nerve Topography (2019). He serves as a reviewer for several scientific journals, is a member of the Radiological Society of North America (RSNA), the Österreichische Röntgengesellschaft (ÖRG), and head of the musculoskeletal and interventional working committee of the Austrian Society of Ultrasound in Medicine (ÖGUM).

His passion for ultrasound – particularly musculoskeletal and nerve sonography, as well as ultrasound-guided interventions – led him to become a founding member of DISI (Verein zur Förderung sonographischer Wissensgewinnung).
Together with his colleagues, Prof. Loizides organizes workshops and gives lectures at international congresses (ECR, RSNA, ESSR, etc.) to improve the quality of Ultrasound-guided treatments and expand the boundaries of new diagnostic fields.

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Prof. Hannes Gruber, MD, PhD Hannes Gruber is an associate professor of radiology who specializes in musculoskeletal radiology. He also serves as the head of the Department of Diagnostic and Interventional Sonography at the Medical University of Innsbruck. Prof. Gruber is recognized as one of the pioneers of diagnostic nerve sonography.

As an executive senior physician in education studies of human medicine at the Leopold Franzens University of Innsbruck, Prof. Gruber earned his doctorate in medicine in 1998. He began his career as an assistant doctor at the Institute of Anatomy and Histology at the Innsbruck Medical University under the guidance of Prof. Dr. H. Fritsch. Later, he served as an assistant doctor at the University Clinics of Radiodiagnostics under the direction of Prof. Dr. W. Jaschke. He attained official recognition as a medical specialist (radiologist) in 2006.

Prof. Gruber successfully completed his State Doctorate (Venia docendi) at the Innsbruck Medical University, focusing on the central theme of "High-Resolution Sonography of the Peripheral Nervous System." Since 2008, he has held the position of associate professor at the Clinical Department of Radiology at the Innsbruck Medical University.