Ismail Issa Mbua attended MATI Ukiriguru in Mwanza, where he received a Diploma in General Agriculture. He also attended school at Kilacha Agricultural Livestock Training Institute in Moshi where he received a certificate in General Agriculture. Before beginning to work for TREES, he had several field practical training experiences. He worked with Thubutu Investment and Traders as a Field Officer and for Aminata Quality Seeds and Consultancy Limited as Field Agricultural Extension Officer. Ismail joined TREES in 2018.