Prof. Dr Herrmann is Professor of Nuclear Medicine at the Universitätsklinikum Essen, Essen, Germany and until recently acted as Adjunct Professor at the Ahmanson Translational Imaging Division of the Department of Molecular and Medical Pharmacology at the University of California, Los Angeles (UCLA), Los Angeles, California, USA.

In 2011, he completed his residency in nuclear medicine at Klinikum rechts der Isar, Technische Universität München, Munich, Germany, focusing on his research entitled “In Vivo Proliferation Imaging with 3´deoxy-3´-[¹⁸F]Fluorothymidine PET in Oncology”. Following this, Prof. Dr Herrmann then went onto complete a fellowship at Hokkaido University, Hokkaido, Japan, and received an executive MBA degree from the University of Zürich, Zürich, Switzerland. From 2012 to 2016, he served as Vice Chair of the Department of Nuclear Medicine at Universitätsklinikum Würzburg, Würzburg, Germany. Until 2023, he served as Chair of the European Association of Nuclear Medicine (EANM) Oncology & Theranostics Committee.

Presently, he is Section Editor of The Journal of Nuclear Medicine and Imaging Editor of European Urology. He has also authored more 700 peer-reviewed articles.