In our third and final Innovative Training Network (ITN) KEC Blog series, we hear from visiting PhD student Piotr Kobiałka on his recent knowledge exchange visit to the Babraham Institute. Piotr is a PhD student in Dr Mariona Graupera’s lab in IDIBELL (Institut d’Investigació Biomèdica de Bellvitge) in Barcelona. He tells us why this visit helped his research and why researcher mobility is so important to advance scientific programmes: