Leo van Overbeek is senior scientist at Wageningen Plant Research, part of WUR. His role is investigating the interaction between plants and micro-organisms, with special emphasis on the role of human pathogenic bacteria in plants. He currently leads projects on plant microbiomes paying special attention to the occurrence of human pathogenic bacteria and antibiotic resistances in plant microbiomes. He is the chair of the COST Action 16110, HUPLANTcontrol, which focuses on the control of human pathogens in plant production systems.