Vegetable seeds on sale at Seedridge seed company in Zimbabwe. Improved seeds are a simple yet powerful technology. Dr. Ed Mabaya outlining the goals of TASAI at the official launch in 2015. TASAI launched in March 2015, following a year-long pilot phase. Hybrid maize seeds on sale at Funwe Seed (Malawi). Funwe Seeds, an African SME seed company in Malawi. TASAI Program Coordinator Mainza Mugoya. TASAI founder Dr. Ed Mabaya has given two TEDx talks about the role of improved varieties in increasing food security in Africa.