This session will: 1)Take stock of North – South and South – South collaboration in agricultural research for development based on recent dialogues and conferences on the topic 2) Identify the main constraints that have limited both North-South and South – South collaboration in agricultural research for development, and 3) propose collective actions for South-South Collaborations through regional fora and organizations and groupings such as G20, BRICS, IBSA as well as the roles of regional development and the World Bank.