Jonathan studied biochemistry and specialised in toxicology at the University of Surrey in the UK and graduated there in 2002. He joined the UK's Food Standards Agency the same year where he worked as a senior scientific officer on risk management of chemicals in food, including contaminants, pesticides and food contact materials at EU and international level.
Jonathan joined the European Commission in 2014 where he has been working as a policy officer in DG SANTE on food contact materials, including on the evaluation and revision of the EU FCM legislation.