Jens Fiehler is the Director of the Department of Diagnostic and Interventional Neuroradiology in the University Medical Center Hamburg-Eppendorf in Germany. He has published more than 600 peer-reviewed papers. As Associate Editor for the Journal of NeuroInterventional Surgery (JNIS) and Section Editor for Clinical Neuroradiology, he aims to support and foster high-quality neurointerventional research. His main research focus is the conception and execution of multi-center studies in cerebrovascular diseases that have been funded with several national and international grants. He is particularly interested in imaging analysis and advanced study methodology in neurointerventions. Jens Fiehler was a founding member of the European Society of Minimally Invasive Neurological Therapy (ESMINT) and is its past president.