Andrew I.R. Maas is Emeritus Professor of Neurosurgery at the Antwerp University Hospital and University of Antwerp. He holds positions as past Chairman of the Neurotraumatology Committee of the World Federation of Neurosurgical Societies (WFNS), the International Neurotrauma Society, and is Co-Chairman of the European Brain Injury Consortium and Advisory Board member to Wings for Life. He has a vast experience as a general neurosurgeon and has specific research interests in neurotrauma and neuro-intensive care. Dr Maas was the Principal Investigator of the IMPACT study group (International Mission on Prognosis and Clinical Trial design in TBI), that was awarded an NIH grant (2003-2011) and resulted in over 55 publications and recommendations for improved trial design. Together with Prof David Menon, University of Cambridge, he coordinated the large scale collaborative project CENTER-TBI: Collaborative European NeuroTrauma Effectiveness Research in TBI (www.center-tbi.eu), supported by the FP7 program of the European Union (Grant no: 602150; duration:2013-2021), which has yielded over 300 publications to date.