Dr. Freysinger introduced clinical intraoperative 3D-navigation at the Univ. ENT Clinic in 1994.

His main focus is the creation of surgical technology that ideally fits the surgeons´ needs.


He founded an interdisciplinary laboratory at the clinic to develop streamlined intraoperative 3D-navigation systems.

In order to train qualified personnel Dr. Freysinger founded and runs a PhD program that is focused on Image-Guided Diagnosis and Therapy at the Innsbruck Medical University.


Dr. Freysinger has graduated in physics and is currently associate professor of medical physics at Innsbruck Medical University, co-opted professor of medical informatics at the UMIT, Hall in Tirol, and additionally adjunct professor of mathematics and computer science at the Leopold Franzens Universität Innsbruck.

Dr. Freysinger serves on the editorial board of the International Journal of Computer-Assisted Radiology and Surgery and is independent reviewer for a number of peer-review conferences and journals in the field. Moreover, he provides reviews for the Swiss National Science Foundation, for The Italian Ministry of Science and Technology, Austrian Science Funding Agencies, the AO Foundation, and the European Commission.