Dr. Freynhagen is Professor and Chief Physician at the Hospital Benedictus, Tutzing, Germany. He is a specialist in anaesthesiology, intensive care, pain management, palliative care, and sports medicine. For more than 10 years, he led the Division of Pain Management and Palliative Medicine, Department of Anaesthesiology at the University Hospital Düsseldorf. He and his co-workers developed amongst others pain DETECT, a worldwide used screening tool to discriminate between neuropathic and non-neuropathic pain.

Prof. Freynhagen has published numerous research articles, book chapters, and reviews in different prestigious international top journals in the field of pain medicine, anaesthesiology, and palliative care. He serves as a reviewer for many high-ranked scientific journals and as a scientific grant reviewer for the Ministry of Health in several countries worldwide.