Hubert GrÃ¼n received his M.S. degree in Medical Device Technology from the Upper Austrian University of Applied Sciences, Linz, Austria, in 2006. From 2005 to 2009 he has been working for the Sensor department of the Upper Austrian Research GmbH. Since 2009 he is with RECENDT GmbH. His PhD-Study (since 2009) and research interests include the photoacoustic tomography, especially integrating fiber-based detectors and medical applications of photoacoustics.