Gyumi is the founder and executive director of Msichana Initiative (Young Woman Initiative), a Tanzanian nongovernmental organization that empowers girls through education.
Gyumi ita ce mai shugaba kuma mai kamfanin Msichana Inititiaɓe (Young Woman Initiatiɓe), wato wata ƙungiya wacce ba ta gwmnati ba a Tanzaniya da ke karfafawa mata gwiwa ta hanyar ba su ilimi.