We use Social Network Analysis (SNA) to investigate the networking and knowledge management in the coffee value chain in Ethiopian and Rwanda and its applicability to the agricultural innovation system (AIS). The AIS aims at putting farmers at the center of the knowledge management and innovation system. Results of the SNA show that farmers from both Ethiopia and Rwanda are not at the center of the innovation system. In the Ethiopian coffee value chain, cooperatives are at the center of the knowledge management and innovation system. In Rwanda, NGOs play a central role in the knowledge management...