The CHAIN project has been working on coordinating and leveraging the efforts made over the past years to extend the European e%Infrastructure (and particularly the Grid) operational and organisational principles to a number of Regions over the world. In this sense, the project is currently working on elaborating a strategy and defining instruments in order to ensure coordination and interoperation of the European Grid Infrastructure with those emerging in other regions of the world (Asia, Mediterranean, Latin America and Sub%Saharan Africa). Among these efforts, the promotion of Virtual Research Communities plays a key role. In this work, the progresses made by CHAIN during these two years in the aforementioned topic are presented