Main position: chief science officer and senior scientific researcher / project leader at the the National Institute for Public Health and the Environment, Bilthoven, NL https://www.rivm.nl/en/about-rivm/knowledge-and-expertise/experts-and-expertise/prof-f-r-flemming-cassee

-          Associate editor Inhalation Toxicology  - 2017 –present

-          Deputy Editor-in-Chief of Particle and Fibre Toxicology  2023 - present