Humboldt-Universität zu Berlin - Agrifood Chain Management

Marc Lorenzen



PhD Student






Short Bio

  • since 2022 PhD Student,  Agrifood Chain Management Group at Humboldt-Universität zu Berlin
  • since 2018 Scientific Staff at the German Federal Institute for Risk Assessment (BfR)
  • 2013 - 2016 M.Sc. Agricultural Economics, Humboldt University of Berlin
  • 2010 - 2013 B. Sc. Agricultural Sciences, Humboldt University of  Berlin

Research Interests

  • Global food supply chains
  • Feed and food fraud
  • Traceability of feed and food supply chains
  • Feed and food safety (risk assessment)
  • Digitization of consumer health protection



  • Wagner, B., Gerletti, P., Fürst, P., Keuth, O., Bernsmann, T., Martin, A., Schäfer, B., Numata, J., Lorenzen, M. C. & Pieper, R. (2022). Transfer of cannabinoids into the milk of dairy cows fed with industrial hemp could let to Δ9-THC exposure that exceeds acute reference dose. Nature Food, 3(11), 921-932.
  • Lorenzen, M. C., Weiser, A. A., Pieper, R., Lahrssen-Wiederholt, M., & Numata, J. (2021). Introducing the Rapid Alert Supply Network Extractor (RASNEX) tool to mine supply chain information from food and feed contamination notifications in Europe. Plos one, 16(7), e0254301.