Giuseppe Greco (INFN - Perugia and member of EGO-Virgo ) has over the nine years worked in the context of the multi-messenger research developing practical tools and methods supported by several European projects (ASTERICS, ESCAPE and AHEAD) to connect the European Strategy Forum on Research Infrastructures (ESFRI) projects to the European Open Science Cloud (EOSC) through the Virtual Observatory (VO) framework. He is a member of the Virgo collaboration since 2013 and more recently has joined the Einstein Telescope observatory. He participates in the teamwork of GRAWITA (GRAvitational Wave Inaf TeAm) and ENGRAVE (Electro-magnetic counterparts of gravitational waves at the Very Large Telescope).