Terje Sundstrøm, MD, PhD, is a senior consultant neurosurgeon at Haukeland University Hospital and an associate professor at the University of Bergen in Norway. He was editor-in-chief of the first edition of Management of severe traumatic brain injury (2012). He also has a strong interest in translational and clinical research on benign and malignant brain tumors.Per-Olof Grände, MD, PhD, is senior professor in anaesthesia and intensive care at Lund University Hospital in Sweden. His research is concentrated on basal circulatory physiology with special application to neurointensive care and the traumatized brain.Teemu Luoto, MD, PhD, is a neurosurgeon at the Tampere University Hospital and an adjunct professor in neurotraumatology at the University of Tampere in Finland. His clinically oriented research is focused on traumatic brain injury, especially mild traumatic brain injury and sport-related concussion, and traumatic spinal cord injury.Christina Rosenlund, MD, MHO, is a senior consultant neurosurgeon at Odense University Hospital in Denmark and affiliated with the Danish Center for Organdonation. Her clinically oriented research is focused on traumatic brain injury, neurointensive care, rehabilitation and organdonation.Johan Undén, MD, PhD, DESA, EDIC, is a senior consultant at the intensive care unit at Hallands Hospital and an associate professor in anesthesia and intensive care at Lund University Hospital in Sweden. His research is concentrated in the area of neurotrauma, in particular mild traumatic brain injury, and also in neuroprotection and clinical coagulation.Knut Gustav Wester, MD, PhD is a professor emeritus from the University of Bergen and was previously head of the neurosurgical department at Haukeland University Hospital in Norway. He is a founding member of the Scandinavian Neurotrauma Committee and president of the committee since 2013. His clinically oriented research has included several aspects oftraumatic brain injury.