Ulrike Mathesius is a German–Australian plant microbiologist in the Division of Plant Sciences at Australian National University (ANU). She is an Australian Research Council (ARC) Future Fellow at the ANU, National Tertiary Education Union (NTEU) member and Professor at the ANU in plant science, biotechnology and plant-microbe interactions. Her research focuses on root microbe interactions and symbionts to parasites. Mathesius won the 2013 Fenner Medal awarded by the ARC for research in biology (excluding the biomedical sciences) for outstanding early-career researchers under the age of 40.[1]