Martin Posch is professor for medical statistics at the Medical University of Vienna. From 2011-2012 he worked as statistical expert at the European Medicines Agency (London, UK) in the Human Medicines Development and Evaluation sector, where he contributed to guideline development and the assessment of study designs. His main research interests are group sequential trials, adaptive designs and multiple testing, focusing on applications in clinical trials. Martin Posch serves as Associate Editor of Biometrics and Biometrical Journal and is Observer at the EMA Biostatistics Working Party. Furthermore, he is member of the EU Patient-centric clinical trial platform IMI EU-PEARL.