 GNL Zamba akaberekwa muna 1986 mudunhu reMukono muUganda semwana wemunhu aiva nyanzvi yekugadzira magetsi uye mushandi wehurumende, akatanga kukurudzirwa kuita zvemimhanzi nambuya vake, vaitungamirira kwaya yechechi. Mhuri iyi yakagara muKampala muguta reKawempe mushure mehondo yevagari vemuUganda, munguva yekusagadzikana uye hurombo, izvo zvakaumba muimbi ari kuuya kuva munyori wenhau uyo akafuridzirwa nekurwira kwehudiki hwake. Muchikoro chesekondari, GNL akashanda semunyori mukuru we The Kiira Mirror, nhengo yechikwata chemakakatanwa, uye sachigaro wekirabhu yechidiki yemabhuku. Akaenderera mberi nekupedza zvidzidzo zvake paMakerere University aine dhigirii reBachelor muEnvironmental Management. Kuburikidza nokubudirira kwebasa rake remimhanzi, GNL akakwanisa kuvhura bhawa remitambo uye akatenga ivhu rakapoteredza Uganda. 