Friedrich Joos graduated in Biochemistry at Martin-Luther-Universität Halle-Wittenberg in January 2022. For his master´s thesis he joined the research group of Prof. Dr. Anne Navarrete Santos and investigated oxidative and glycative stress in rabbit embryos and placentae in the context of diabetes mellitus. Friedrich joined the group of Molecular and Systems Toxicology in December 2021 to start his PhD project focusing on the effects of bisphenols and phthalates on the female reproductive system.