Julia Vorholt is Professor of Microbiology at ETH Zurich, Switzerland. She carried out her PhD work at the MPI for Terrestrial Microbiology in Marburg, Germany. After a postdoctoral stay at the University of Washington, Seattle, USA, she headed a group at the CNRS in Toulouse, France. Since 2006 she is Professor at the Institute of Microbiology of ETH Zurich. Prof. Vorholt investigates how the environment, in particular the phyllosphere, shapes bacterial physiology and microbial interactions, with an emphasis on metabolism, novel protein function, and beneficial services to the host. She uses a range of technologies from single-cell analysis to multi-omics approaches.