Dr Marike Kolossa-Gehring is a biologist and toxicologist and got her PhD from the Christian-Albrechts-University Kiel, Germany. Her research focusses on toxicology and human biomonitoring (HBM). She is Head of Section “Toxicology, Health-related Environmental Monitoring” at the German Environment Agency (UBA) and coordinator of the European Joint Programme HBM4EU. She was involved in the development of assessment strategies and guidelines at the national, EU and OECD level and vice-chair and chair of the OECD Endocrine Disruptor Testing and Assessment Task Force from 2006 to 2010. From 2011 to 2014 she was Governmental Councillor of the International Society of Exposure Science (ISES). She has authored and co-authored more than 100 peer reviewed papers, 10 book chapters and various scientific reports.