Dr. Marcel J. B. Mengelers received his Ph.D. in veterinary pharmacology and toxicology in 1991. Thereafter, he worked as a researcher at the Dutch Food Safety Institute (RIKILT) in Wageningen until 2004. In 2004, he was employed at the Office for Risk Assessment of the Dutch Food Safety Authority as a senior scientific officer. Since 2011, he has been working as a Senior Risk Assessor at the Department of Food Safety of the National Institute for Public Health and the Environment (RIVM) in Bilthoven. Nowadays, he’s involved in the risk assessment and human biomonitoring of chemical substances in food, food contact materials, and drinking water. Since 2020, he has been a member of the Scientific Panel on Food Contact Materials, Enzymes, and Processing Aids of the European Food Safety Authority. In 2022–2023, he was a guest editor of the scientific journal Toxins for the special issue on Human Biomonitoring and Risk Assessment of Mycotoxins.