Margriet van der Zee is a European Registered Toxicologist who worked as a senior scientist for the Dutch National Institute for Public Health and the Environment (RIVM) for over 15 years. Here, she primarily focused on evaluating the safety of nanomaterials, nanomedicine, consumer products and medical devices. In 2021, she shifted to freelance scientific and medical writing. Currently, she provides writing services and toxicology consultancy to governmental agencies, academic research institutes, CROs, biotech companies, and consultancies.