Founding member of EAFF (Eastern African Farmers Federation)
Mviwata secretary General - MOROGORO Headquarter – TZ, IFAP 2nd Vice President for cooperative standing committee, Enterprises works – Association trainer and farmer mobilization officers, Farming activities; Provisional Small scale Farmer, Extension agent and Farmer mobilization officer – Prime Project, Enterprise works Tanzania. For Iringa, Mbeya and Rukwa Regions, Local National and Regional  Farmer platforms Advisor and facilitator, Has participated in many Regional and International meetings.