The Johannes Gutenberg University Mainz, Germany, has taken a significant step to participate in the international Deep Underground Neutrino Experiment, hosted by Fermilab. Fermilab and the university have signed an agreement to jointly appoint an internationally renowned researcher who will strengthen the experimental particle physics research program at JGU Mainz and advance a German contribution to DUNE. This is the first Fermilab joint agreement with a university in Germany.