It is our pleasure to welcome Ondřej Borkovec in our laboratory. He joined our team as a PhD student. His topic of the thesis is ‘Heat exchangers with hollow fibres for applications in biologically active surroundings’. The thesis is supervised by prof. Miroslav Raudenský. He will participate on a research of polymeric hollow fibre heat exchangers that are developed in our laboratory. Ondřej has successfully completed his master’s degree in Mathematical Engineering.