Kaja is a biotechnologist from education. She obtained her degree at the International Faculty of Engineering at the Lodz University of Technology in Poland. She has been working since 2009 in the European Commission, DG SANTE. For seven years she has worked in the GMO field where she was responsible for the authorisation of the GM food and feed in the EU and she has worked closely with the European Food Safety Authority. In 2016, she has moved to the human health division of DG SANTE where she is responsible for the development of the policy and authorisation of medicines for rare diseases, including the EU pharmaceutical reform. She works closely with the European Medicines Agency and the network.