works as a food chemist and toxicologist in official food control at the Chemical and Veterinary Investigation Agency in Karlsruhe. He is an expert in the field of plant-based foods, with a focus on NMR analysis and the product areas of cannabis and coffee. He has authored over 400 publications and has contributed to various working groups in the field of risk assessment and food safety, including WHO IARC, DIN, GDCh, and DFG Senate Commission on Food Safety.