The RISIS consortium has organized a session with policy-makers that took place in Brussels on October 24th, 2019, entitled “Fast growing mid-sized firms in Europe. Evidence from the RISIS-Cheetah database”. Massimiliano Guerini, representative of Politecnico di Milano in the RISIS project, has presented the results of an analysis on the emergence of European mid-size firms based on the RISIS-Cheetah dataset. Further information is available on https://www.risis2.eu.