He serves as Coordinator of the CNS Tumours Unit at the Comprehensive Cancer Centre Vienna, and his research focuses on biomarkers and therapy in brain tumours. Recent works focus on the characterization of inflammatory infiltrates and immune checkpoint molecules in various types of brain tumours, the biology of brain metastases and identification of novel treatment options for meningiomas. Dr. Preusser is a Steering Committee member of the European Organisation for Research and Treatment of Cancer Brain Tumour Group and is leading or actively involved in several international clinical trials in Neuro-oncology.